TQ TQMa335xL Manuale utente

TQMa335xL

User's Manual

TQMa335xL UM 0101

20.09.2019

TABLE OF CONTENTS

1. ABOUT THIS MANUAL.................................................................................................................................................................1

1.1 Copyright and license expenses..............................................................................................................................................1

1.2 Registered trademarks................................................................................................................................................................1

1.3 Disclaimer .......................................................................................................................................................................................1

1.4 Imprint .............................................................................................................................................................................................1

1.5 Tips on safety.................................................................................................................................................................................2

1.6 Symbols and typographic conventions.................................................................................................................................2

1.7 Handling and ESD tips ................................................................................................................................................................2

1.8 Naming of signals.........................................................................................................................................................................3

1.9 Further applicable documents / presumed knowledge...................................................................................................3

2. BRIEF DESCRIPTION......................................................................................................................................................................4

2.1 Key functions and characteristics............................................................................................................................................4

2.2 Available interfaces......................................................................................................................................................................5

3. ELECTRONICS.................................................................................................................................................................................6

3.1 System overview...........................................................................................................................................................................6

3.1.1 System architecture / block diagram .....................................................................................................................................6

3.1.2 Functionality..................................................................................................................................................................................6

3.1.3 Pin multiplexing............................................................................................................................................................................6

3.2 System components....................................................................................................................................................................7

3.2.1 AM335x processor........................................................................................................................................................................7

3.2.1.1 AM335x derivatives .....................................................................................................................................................................7

3.2.1.2 Boot modes ....................................................................................................................................................................................8

3.2.1.3 Boot configuration.......................................................................................................................................................................9

3.2.1.4 Boot interfaces ........................................................................................................................................................................... 10

3.2.1.4.1 Boot device SD card.................................................................................................................................................................. 10

3.2.1.4.2 Boot device eMMC.................................................................................................................................................................... 10

3.2.2 Memory ........................................................................................................................................................................................ 11

3.2.2.1 DDR3L SDRAM............................................................................................................................................................................ 11

3.2.2.2 eMMC NAND flash..................................................................................................................................................................... 11

3.2.3 AM335x-RTC, PMIC-RTC........................................................................................................................................................... 12

3.2.4 Interfaces...................................................................................................................................................................................... 13

3.2.4.1 Overview ...................................................................................................................................................................................... 13

3.2.4.2 Gigabit Ethernet MAC .............................................................................................................................................................. 14

3.2.4.3 GPMC / External memory bus ............................................................................................................................................... 14

3.2.4.4 MMC / SD card............................................................................................................................................................................ 15

3.2.4.5 GPIO............................................................................................................................................................................................... 15

3.2.4.6 PWM .............................................................................................................................................................................................. 15

3.2.4.7 JTAG / DEBUG ............................................................................................................................................................................. 16

3.2.4.8 Touch and analog inputs ........................................................................................................................................................ 16

3.2.4.9 LCD controller............................................................................................................................................................................. 17

3.2.4.10 Serial interfaces.......................................................................................................................................................................... 18

3.2.4.11 CAN................................................................................................................................................................................................ 18

3.2.4.12 I2C .................................................................................................................................................................................................. 18

3.2.4.13 I2S / AUDMUX............................................................................................................................................................................. 19

3.2.4.14 SPI................................................................................................................................................................................................... 19

3.2.4.15 UART.............................................................................................................................................................................................. 20

3.2.4.16 UART0............................................................................................................................................................................................ 20

3.2.4.17 UART3............................................................................................................................................................................................ 20

3.2.4.18 UART4............................................................................................................................................................................................ 21

3.2.4.19 USB................................................................................................................................................................................................. 21

3.2.4.20 EXTINT#......................................................................................................................................................................................... 21

3.2.4.21 Clockout ....................................................................................................................................................................................... 22

TABLE OF CONTENTS (continued)

3.2.5 Reset.............................................................................................................................................................................................. 22

3.2.6 WDOG ........................................................................................................................................................................................... 23

3.2.7 Power supply .............................................................................................................................................................................. 23

3.2.7.1 Main power supply ................................................................................................................................................................... 23

3.2.7.2 Overview TQMa335xL supply................................................................................................................................................ 23

3.2.7.3 Adaptive Voltage Scaling (AVS) ............................................................................................................................................ 24

3.2.7.4 Voltage supervision.................................................................................................................................................................. 24

3.2.7.5 TQMa335xL / carrier board Power-Up sequence............................................................................................................. 24

3.2.8 Power-Modes.............................................................................................................................................................................. 25

3.2.8.1 RTC backup.................................................................................................................................................................................. 25

3.2.8.2 AM335x DEEP-SLEEP0-2, Standby........................................................................................................................................ 25

3.2.8.3 AM335x Active Mode ............................................................................................................................................................... 25

3.3 TQMa335xL interface ............................................................................................................................................................... 26

3.3.1 Pin assignment........................................................................................................................................................................... 26

3.3.2 Pinout TQMa335xL.................................................................................................................................................................... 26

4. SOFTWARE................................................................................................................................................................................... 31

5. MECHANICS................................................................................................................................................................................. 31

5.1 TQMa335xL dimensions and footprint............................................................................................................................... 31

5.2 TQMa335xL 3D views ............................................................................................................................................................... 32

5.3 TQMa335xL component placement.................................................................................................................................... 32

5.4 Protection against external effects ...................................................................................................................................... 33

5.5 Thermal management ............................................................................................................................................................. 33

5.6 Structural requirements .......................................................................................................................................................... 33

6. SAFETY REQUIREMENTS AND PROTECTIVE REGULATIONS .......................................................................................... 33

6.1 EMC................................................................................................................................................................................................ 33

6.2 ESD................................................................................................................................................................................................. 33

6.3 Operational safety and personal security .......................................................................................................................... 33

6.4 Climatic and operational conditions ................................................................................................................................... 34

6.5 Reliability and service life........................................................................................................................................................ 34

6.6 Environment protection.......................................................................................................................................................... 35

6.6.1 RoHS .............................................................................................................................................................................................. 35

6.6.2 WEEE®............................................................................................................................................................................................ 35

6.7 REACH®......................................................................................................................................................................................... 35

6.8 EuP ................................................................................................................................................................................................. 35

6.9 Battery........................................................................................................................................................................................... 35

6.10 Packaging .................................................................................................................................................................................... 35

6.11 Other entries............................................................................................................................................................................... 35

7. APPENDIX..................................................................................................................................................................................... 36

7.1 Acronyms and definitions....................................................................................................................................................... 36

7.2 References ................................................................................................................................................................................... 38

TABLE DIRECTORY

Table 1: Terms and Conventions .............................................................................................................................................................2

Table 2: AM335x derivatives .....................................................................................................................................................................7

Table 3: Boot sequence...............................................................................................................................................................................8

Table 4: Oscillator frequency.....................................................................................................................................................................9

Table 5: General boot configuration CLKOUT1...................................................................................................................................9

Table 6:Boot device selection..................................................................................................................................................................9

Table 7: Pins used for SD card boot ..................................................................................................................................................... 10

Table 8: Pins used for eMMC boot........................................................................................................................................................ 10

Table 9: DDR3L SDRAM............................................................................................................................................................................ 11

Table 10: SDRAM address space.............................................................................................................................................................. 11

Table 11: Internal interfaces...................................................................................................................................................................... 13

Table 12: External interfaces..................................................................................................................................................................... 13

Table 13: RGMII1........................................................................................................................................................................................... 14

Table 14: RGMII2........................................................................................................................................................................................... 14

Table 15: SD card signals ........................................................................................................................................................................... 15

Table 16: GPIO signals ................................................................................................................................................................................ 15

Table 17: PWM signals................................................................................................................................................................................ 15

Table 18: JTAG modes ................................................................................................................................................................................ 16

Table 19: JTAG signals ................................................................................................................................................................................ 16

Table 20: Touch signals.............................................................................................................................................................................. 16

Table 21: LCD signals .................................................................................................................................................................................. 17

Table 22: CAN1 / CAN2 signals................................................................................................................................................................. 18

Table 23: I2C0 and I2C1 signals................................................................................................................................................................ 18

Table 24: I2C0 addresses............................................................................................................................................................................ 18

Table 25: MCASP0 signals.......................................................................................................................................................................... 19

Table 26: SPI0 and SPI1 signals ................................................................................................................................................................ 19

Table 27: UART0 signals ............................................................................................................................................................................. 20

Table 28: UART3 signals ............................................................................................................................................................................. 20

Table 29: UART4 signals ............................................................................................................................................................................. 21

Table 30: USB_H1 signals........................................................................................................................................................................... 21

Table 31: EXTINT# signal............................................................................................................................................................................ 21

Table 32: Clockout signals......................................................................................................................................................................... 22

Table 33: Reset signals................................................................................................................................................................................ 22

Table 34: Parameter TQMa335xL supply .............................................................................................................................................. 23

Table 35: PMIC RTC ...................................................................................................................................................................................... 25

Table 36: AM335x DEEP-SLEEP0-2, Standby........................................................................................................................................ 25

Table 37: AM335x Active Mode ............................................................................................................................................................... 25

Table 38: Pinout TQMa335xL,

top view through TQMa335xL

.................................................................................................... 26

Table 39: TQMa335xL pad description.................................................................................................................................................. 27

Table 40: Labels on TQMa335xL.............................................................................................................................................................. 32

Table 41: Climate and operational conditions extended temperature range –25 °C to +85 °C .......................................... 34

Table 42: Climate and operational conditions industrial temperature range –40 °C to +85 °C .......................................... 34

Table 43: Acronyms..................................................................................................................................................................................... 36

Table 44: Further applicable documents.............................................................................................................................................. 38

ILLUSTRATION DIRECTORY

Illustration 1: Block diagram TQMa335xL (simplified).................................................................................................................................4

Illustration 2: TQMa335xL block diagram........................................................................................................................................................6

Illustration 3: Block diagram AM335x...............................................................................................................................................................7

Illustration 4: Block diagram DDR3L SDRAM connection........................................................................................................................ 11

Illustration 5: Block diagram eMMC flash connection.............................................................................................................................. 11

Illustration 6: Block diagram UART0 interface............................................................................................................................................. 20

Illustration 7: Block diagram UART3 interface............................................................................................................................................. 20

Illustration 8: Block diagram UART4 interface............................................................................................................................................. 21

Illustration 9: Block diagram Reset ................................................................................................................................................................. 22

Illustration 10: Block diagram power supply ................................................................................................................................................. 23

Illustration 11: Block diagram power supply carrier board....................................................................................................................... 24

Illustration 12: TQMa335xL dimensions (1).................................................................................................................................................... 31

Illustration 13: TQMa335xL dimensions (2).................................................................................................................................................... 31

Illustration 14: TQMa335xL side view .............................................................................................................................................................. 31

Illustration 15: Recommended PCB land pattern for TQMa335xL, t

op view through TQMa335xL

........................................... 31

Illustration 16: TQMa335xL top view (3D) ...................................................................................................................................................... 32

Illustration 17: TQMa335xL bottom view (3D) .............................................................................................................................................. 32

Illustration 18: TQMa335xL component placement top............................................................................................................................ 32

Illustration 19: TQMa335xL component placement bottom.................................................................................................................... 32

REVISION HISTORY

Rev. Date Name Pos. Modification

0100 03.04.2019 Petz Initial release

0101 20.09.2019 Petz

3.2.1.4.3

5.5, 5.6

(10)

Boot device NOR flash removed

Updated

Added

ABOUT THIS MANUAL

1.1

This User's Manual may not be copied, reproduced, translated, changed or distributed, completely or partially in electronic,

machine readable, or in any other form without the written consent of TQ-Systems GmbH.

The drivers and utilities for the components used as well as the BIOS are subject to the copyrights of the respective

manufacturers. The licence conditions of the respective manufacturer are to be adhered to.

Bootloader-licence expenses are paid by TQ-Systems GmbH and are included in the price.

Licence expenses for the operating system and applications are not taken into consideration and must be calculated / declared

separately.

1.2

Registered trademarks

TQ-Systems GmbH aims to adhere to copyrights of all graphics and texts used in all publications, and strives to use original

or license-free graphics and texts.

All brand names and trademarks mentioned in this User's Manual, including those protected by a third party, unless specified

otherwise in writing, are subjected to the specifications of the current copyright laws and the proprietary laws of the present

registered proprietor without any limitation. One should conclude that brand and trademarks are rightly protected by a third

party.

1.3

Disclaimer

TQ-Systems GmbH does not guarantee that the information in this User's Manual is up-to-date, correct, complete or of good

quality. Nor does TQ-Systems GmbH assume guarantee for further usage of the information. Liability claims against TQ-Systems

GmbH, referring to material or non-material related damages caused, due to usage or non-usage of the information given in this

User's Manual, or due to usage of erroneous or incomplete information, are exempted, as long as there is no proven intentional

or negligent fault of TQ-Systems GmbH.

TQ-Systems GmbH explicitly reserves the rights to change or add to the contents of this User's Manual or parts of it without

special notification.

Important Notice:

Before using the Starterkit MBa335x or parts of the schematics of the MBa335x, you must evaluate it and determine if it is

suitable for your intended application. You assume all risks and liability associated with such use. TQ-Systems GmbH makes no

other warranties including, but not limited to, any implied warranty of merchantability or fitness for a particular purpose. Except

where prohibited by law, TQ-Systems GmbH will not be liable for any indirect, special, incidental or consequential loss or damage

arising from the usage of the Starterkit MBa335x or schematics used, regardless of the legal theory asserted.

1.4

Imprint

TQ-Systems GmbH

Gut Delling, Mühlstraße 2

D-82229 Seefeld

Tel: +49 8153 9308–0

Fax: +49 8153 9308–4223

E-Mail: Info@TQ-Group

Web: TQ-Group

1.5

Tips on safety

Improper or incorrect handling of the product can substantially reduce its life span.

1.6

Symbols and typographic conventions

Table 1: Terms and Conventions

Symbol Meaning

This symbol represents the handling of electrostatic-sensitive devices and / or components. These

components are often damaged / destroyed by the transmission of a voltage higher than about 50 V.

A human body usually only experiences electrostatic discharges above approximately 3,000 V.

This symbol indicates the possible use of voltages higher than 24 V.

Please note the relevant statutory regulations in this regard.

Non-compliance with these regulations can lead to serious damage to your health and also cause

damage / destruction of the component.

This symbol indicates a possible source of danger. Acting against the procedure described can lead to

possible damage to your health and / or cause damage / destruction of the material used.

This symbol represents important details or aspects for working with TQ-products.

Command

A font with fixed-width is used to denote commands, file names, or menu items.

1.7

Handling and ESD tips

General handling of your TQ-products

The TQ-product may only be used and serviced by certified personnel who have taken note of the

information, the safety regulations in this document and all related rules and regulations.

A general rule is: do not touch the TQ-product during operation. This is especially important when

switching on, changing jumper settings or connecting other devices without ensuring beforehand

that the power supply of the system has been switched off.

Violation of this guideline may result in damage / destruction of the TQMa335xL and be dangerous

to your health.

Improper handling of your TQ-product would render the guarantee invalid.

Proper ESD handling

The electronic components of your TQ-product are sensitive to electrostatic discharge (ESD).

Always wear antistatic clothing, use ESD-safe tools, packing materials etc., and operate your TQ-

product in an ESD-safe environment. Especially when you power up the TQMa335xL or the Starterkit,

change jumper settings, or connect other devices.

1.8

Naming of signals

A hash mark (#) at the end of the signal name indicates a low-active signal.

Example: RESET#

If a signal can switch between two functions and if this is noted in the name of the signal, the low-active function is marked with

a hash mark and shown at the end.

Example: C / D#

If a signal has multiple functions, the individual functions are separated by slashes when they are important for the wiring.

The identification of the individual functions follows the above conventions.

Example: WE2# / OE#

1.9

Further applicable documents / presumed knowledge

•

Specifications and manuals of the modules used:

These documents describe the service, functionality and special characteristics of the module used (incl. BIOS).

•

Specifications of the components used:

The manufacturer's specifications of the components used, for example CompactFlash cards, are to be taken note of.

They contain, if applicable, additional information that must be taken note of for safe and reliable operation.

These documents are stored at TQ-Systems GmbH.

•

Chip errata:

It is the user's responsibility to make sure all errata published by the manufacturer of each component are taken note of.

The manufacturer’s advice should be followed.

•

Software behaviour:

No warranty can be given, nor responsibility taken for any unexpected software behaviour due to deficient components.

•

General expertise:

Expertise in electrical engineering / computer engineering is required for the installation and the use of the device.

The following documents are required to fully comprehend the following contents:

•MBa335x circuit diagram

•MBa335x User's Manual

•Sitara™ AM335x Data Sheet

•U-Boot documentation: www.denx.de/wiki/U-Boot/Documentation

•PTXdist documentation: www.ptxdist.de

•TQ-Support Wiki: support.tq-group.com/doku.php?id=en:arm:tqma335x

BRIEF DESCRIPTION

This User's Manual describes the hardware of the TQMa335xL revision 02xx, and refers to some software settings.

It does not replace the AM335x Reference Manual.

The TQMa335xL is a universal Minimodule based on the Texas Instruments ARM®Cortex®A8 Sitara™ AM335x.

The AM335x Cortex®A8 core works with up to 800 MHz.

The TQMa335xL extends the TQC product range and offers an outstanding computing performance.

AM335x

eMMC

LGA pads

DDR3L SDRAM

3.3 V

Power

Illustration 1: Block diagram TQMa335xL (simplified)

2.1

Key functions and characteristics

The TQMa335xL provides the following key functions and characteristics:

•Texas Instruments AM335x

•Up to 512 Mbyte DDR3L SDRAM with 16 bit interface

•Up to 8 Gbyte eMMC NAND flash

•Texas Instruments PMIC

•All essential AM335x pins are routed to the TQMa335xL pads

•Extended temperature range

•Single power supply 3.3 V

2.2

Available interfaces

The TQMa335xL provides the following interfaces at the TQMa335xL pads:

•2 × Ethernet 10/100/1000 Mbit, RGMII

•2 × USB 2.0 Hi-Speed

•2 × CAN 2.0B

•3 × UART (1 UART with handshake)

•1 × SD 4 bit (SDIO / MMC / SD card)

•2 × SPI

•2 × I2C

•1 × I2S (MCASP0)

•3 × GPIO

•4 × PWM

•1 × parallel display RGB 24 bit

•1 × JTAG

•2 × General Purpose Clock

•8 × AIN inclusive resistive touch controller (12 bit ADC)

As an alternative to the default interfaces, more AM335x interfaces are available with an adapted pin configuration.

These are amongst others:

•GPMC (General-Purpose Memory Controller)

•PRU-MII1, PRU-MII2 (only available with AM3356, -7, -8, -9)

•PWMSS (Pulse-Width Modulation Subsystem)

•Enhanced Serial Audio Interface

•Ethernet 10/100 RMII

•More audio interfaces

•More I2C interfaces

•More SPI interfaces

•More UARTs

All useful AM335x signals are routed to the TQMa335xL pads.

There are no restrictions for customers using the TQMa335xL with respect to an integrated customised design.

Please take note of that not all listed interfaces can be used simultaneously.

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