Freescale Semiconductor MC13892 Manuale utente

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Freescale Semiconductor

User’s Guide

Document Number: KT13892UG

Rev. 3.0, 8/2011

Table of Contents

1 Kit Contents / Packing List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Important Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4 Required Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5 Setup Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6 Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7 Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

8 KIT13892VKEVBEJ Board Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

9 KIT13892VLEVBEJ Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

10 KITUSBCOMDGL Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

11 KIT13892VxEVBEJ Bill of Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

12 KITUSBCOMDGLEVME Bill of Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

13 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

MC13892 Evaluation Board

Supports KIT13892VKEVBEJ and KIT13892VLEVBEJ

Figure 1. MC13892 Evaluation Boards

MC13892 Evaluation Board Supports KIT13892VKEVBEJ and KIT13892VLEVBEJ, Rev. 3.0

2Freescale Semiconductor

Kit Contents / Packing List

1 Kit Contents / Packing List

• CD13892VxEVBEJ

• KIT13892VxEVBEJ

• Kit KITUSBCOMDGLEVME

• Cables (8):

• 7x2 Flat Ribbon Cable (GPIO)

• 8x2 Flat Ribbon Cable (SPI)

• 3x2 Flat Ribbon Cable (I2C)

• 1x12 Flat Ribbon Cable (3 each) (Application Peripherals)

• 1x8 Flat Ribbon Cable (Touch Screen)

• USB extension cable

MC13892 Evaluation Board Supports KIT13892VKEVBEJ and KIT13892VLEVBEJ, Rev. 3.0

Freescale Semiconductor 3

Important Notice

2 Important Notice

Freescale provides the enclosed product(s) under the following conditions:

This evaluation kit is intended for use of ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY. It is

provided as a sample IC pre-soldered to a printed circuit board to make it easier to access inputs, outputs, and supply

terminals. This EVB may be used with any development system or other source of I/O signals by simply connecting it

to the host MCU or computer board via off-the-shelf cables. This EVB is not a Reference Design and is not intended to

represent a final design recommendation for any particular application. Final device in an application will be heavily

dependent on proper printed circuit board layout and heat sinking design as well as attention to supply filtering, transient

suppression, and I/O signal quality.

The goods provided may not be complete in terms of required design, marketing, and or manufacturing related

protective considerations, including product safety measures typically found in the end product incorporating the goods.

Due to the open construction of the product, it is the user's responsibility to take any and all appropriate precautions with

regard to electrostatic discharge. In order to minimize risks associated with the customers applications, adequate design

and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. For any safety

concerns, contact Freescale sales and technical support services.

Should this evaluation kit not meet the specifications indicated in the kit, it may be returned within 30 days from the date

of delivery and will be replaced by a new kit.

Freescale reserves the right to make changes without further notice to any products herein. Freescale makes no

warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does

Freescale assume any liability arising out of the application or use of any product or circuit, and specifically disclaims

any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do

vary in different applications and actual performance may vary over time. All operating parameters, including “Typical”,

must be validated for each customer application by customer’s technical experts.

Freescale does not convey any license under its patent rights nor the rights of others. Freescale products are not

designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other

applications intended to support or sustain life, or for any other application in which the failure of the Freescale product

could create a situation where personal injury or death may occur. Should the Buyer purchase or use Freescale products

for any such unintended or unauthorized application, the Buyer shall indemnify and hold Freescale and its officers,

employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and

reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such

unintended or unauthorized use, even if such claim alleges that Freescale was negligent regarding the design or

manufacture of the part.Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other

product or service names are the property of their respective owners. © Freescale Semiconductor, Inc., 2011. All rights

reserved.

MC13892 Evaluation Board Supports KIT13892VKEVBEJ and KIT13892VLEVBEJ, Rev. 3.0

4Freescale Semiconductor

Introduction

3 Introduction

KIT13892VXEVBEJ

This EVB shows the functionality of the MC13892JVxx device set up under specific

operation parameters.

The MC13892 is a Power Management Integrated Circuit (PMIC) component for

Freescale's i.MX51, i.MX37, i.MX35, and i.MX27 application processors, targeting

netbooks, ebooks, mobile internet devices, smart phones, personal media players, and

personal navigation devices. For evaluation purposes this KIT13892KVXXEVBE comes

with the KITUSBCOMDGLEVME board for communication and control purposes.

KITUSBCOMDGLEVME

This KIT is a USB communication dongle that uses the MC9S08JM8CLC MCU to

enable communication between a PC/laptop with a USB port, and the

KIT13892VXEVBEJ, through SPI or I2C terminals.

Beside communication, this board also provides two pins for quick “plug in” identification

as well as three GPIO, four PWM signals, and two ADC. All of these pins can be

configured and used as general purpose I/O pins, getting 11 GPIOs in total, if needed.

These communication signals and GPIOs can be level shifted to 5.0 V, 3.3 V, and 1.8 V,

in order to cover most of the application voltage requirements.

3.1 KIT13892VXEVBEJ Functional Blocks

•Charger: The charge path can be configured for single or serial path using jumpers

J5 and J9 to enable/disable the M3 transistor. CHRGSE1B pin is driven by the USB

dongle MCU through a FET. This saves the need to specify if the charger

connected is a wall or USB charger through hardware.

•LED Backlighting: RGB and backlighting LEDs are provided on the board to test

these features. Jumpers (J4, J7, and J3) have been placed to connect or

disconnect the backlighting LEDs to their respective channel.

•Power: All the regulators and regulators signals have been connected to J17, J18,

and J24 so they can be loaded and tested from there. They also have their

respective test point on the board. Regulators have a 0 resistor that allows the

output to be connected to the feedback signal on the board. The feedback signals

are also available on the load connectors, so the feedback point can be connected

directly to the load by removing these resistors. These resistors are populated by

default. The DVS feature of the regulators can be controlled by means of J31/32

and J35/38 jumpers. LDOs that can be used with either internal or external pass

devices (VCAM and VGEN3) can be set for either one of both configurations by

changing the J27 and J30 jumpers positions.

MC13892 Evaluation Board Supports KIT13892VKEVBEJ and KIT13892VLEVBEJ, Rev. 3.0

Freescale Semiconductor 5

Introduction

•Programmability and Control: The MC13892 can be configured to be controlled

by I2C or SPI communication. In I2C mode, J19 ties the CS pin to VCORE, J20 and

J21 connect the pull-up resistors on MISO and CLK respectively, and J22/23 are

intended to set the A0 address at the MOSI pin. The following pins are connected

to the KITUSBCOMDGLEVME, so they can be controlled/monitored through the

GUI: CS, CLK, MISO, MOSI, WDI, INT, RESETB, RESETBMCU, STANDBY,

STANDBYSEC, and PWRON1. The SPIVCC pin can be supplied by SW4 of the

MC13892, by placing the J16 jumper, or by the LDO on the

KITUSBCOMDGLEVME through the SPIVCC signals on the J10, J14, and J15

connectors. PUMS and MODE pins can be configured through the J36/37, J40/41,

and J12/13 jumpers on the board.

•LICELL: The coin cell holder offers the possibility to keep the RTC running and

save the contents of some registers, even if the device is in Off mode.

•USB: The VBUSEN and UID pins can be configured through the J26/28 and J34/39

jumpers. The VBUS of the KITUSBCOMDGLEVME can be connected to the

UVBUS pin of the, by means of the J29 jumper. The UVBUS pin is also available

at J2 for OTG mode.

•ADC: The ADC block can be triggered by hardware by using the SW1 push button.

The J25 connector contains all the necessary signals to connect a touch screen

panel. The R13 potentiometer is provided in order to test the ADIN5 input, as well

as giving the possibility to bias a battery thermistor connected there. ADIN6 and

ADIN7 have their respective test point in order to connect a specific voltage there

and test these inputs.

MC13892 Evaluation Board Supports KIT13892VKEVBEJ and KIT13892VLEVBEJ, Rev. 3.0

6Freescale Semiconductor

Introduction

3.2 KITUSBCOMDGLEVME Functional Blocks

Table 1. SPI Interface.- Pin Header Configuration for SPI Interface at J9

PIN NUMBER DESCRIPTION PIN NUMBER DESCRIPTION

Table 2. I2C Interface.- Pin Header Configuration for I2C Interface at J7

PIN NUMBER DESCRIPTION PIN NUMBER DESCRIPTION

Table 3. UART Interface.- Pin Header Configuration for UART Interface at J6

PIN NUMBER DESCRIPTION PIN NUMBER DESCRIPTION

Table 4. GPIO Interface.- Pin Header Configuration for GPIOs Interface at J8

PIN NUMBER DESCRIPTION PIN NUMBER DESCRIPTION

Communication voltage selection - This communication board allows the user to

select one of the following three communication voltages through hardware, which are

very common on most of the applications:

1GND - Ground 9SPSCK - SPI Serial Clock

2ADC1 - Analog-to-Digital Regulator 10 PWM3 - Pulse Width Modulation Signal

3COMM_V - Communication Voltage 11 MOSI - SPI Master Output Slave Input

4ADC0 - Analog-to-Digital Regulator 12 PWMSYNC - PWM Synchronization Signal

55.0 V - Voltage from USB Port 13 MISO - SPI MAster Input Slave Output

6PWM0 - Pulse Width Modulation Signal 14 ID1 - Board Identifier 1

7PWM2 - Pulse Width Modulation Signal 15 SS - Slave Select

8PWM1 - Pulse Width Modulation Signal 16 ID0 - Board Identifier 0

1ID0 - Board Identifier 0 4GND - Ground

2ID0 - Board Identifier 1 5SCL - I2C Serial Clock

3SDA - 12C Serial Data 6COMM_V - Communication Voltage

1ID0 - Board Identifier 0 4GND - Ground

2ID0 - Board Identifier 1 5RXD - Receive Data

3TXD - Transmit Data 6GND - Ground

1ID0 - Board Identifier 0 8PWM2 - Pulse Width Modulation Signal

2ID0 - Board Identifier 1 9PWM1 - Pulse Width Modulation Signal

3GPIO2 - General Purpose I/O 10 PWM0 - Pulse Width Modulation Signal

4GPIO1 - General Purpose I/O 11 ADC0 - Analog-to-Digital Regulator

5GPIO0 - General Purpose I/O 12 ADC1 - Analog-to-Digital Regulator

6PWMSYNC - PWM Synchronization Signal 13 GND - Ground

7PWM3 - Pulse Width Modulation Signal 14 COMM_V - Communication Voltage

MC13892 Evaluation Board Supports KIT13892VKEVBEJ and KIT13892VLEVBEJ, Rev. 3.0

Freescale Semiconductor 7

Introduction

•5.0V - This voltage comes directly from the USB port and can be selected by

connecting J3(1-2). This selection ignores the voltage coming from the LDO,

and sets the USB voltage as the maximum level for communication.

•3.3V - This voltage can be selected by connecting J5(1-2) and J3(2-3).This

selection configures the LDO to supply 3.3 V, and set the voltage as the

maximum voltage reference of communication.

•1.8V - This communication voltage is selected by connecting J5(2-3) and

J3(2-3). By connecting these two jumpers, the LDO supplies 1.8 V, and set this

voltage level as the maximum voltage reference of communication.

3.3 EVBs Operating Parameters

KIT13892VXEVBEJ Board

• Input voltages:

• Battery: 3.7 V

• USB/Wall charger: 5.0 V

• Power supply for backlighting: 9.0 V

• Default output voltages:

• Regulators: SW1 = 1.05 V; SW2 = 1.22 V; SW3 = 1.2 V; SW4 = 1.8 V; 

SWBST = 5.0 V (when a charger is attached, otherwise 0 V).

• Linear regulators: VUSB = 3.3 V; VUSB2 = 2.6 V; VPLL = 1.8 V; VDIG = 1.25 V;

VIOHI = 2.775 V; VGEN1 = 0 V; VGEN2 = 3.15 V; VGEN3 = 0 V; VSD = 0 V;

VVIDEO = 0 V; VAUDIO = 0 V; VCAM = 0 V.

• Switching frequency in regulators: 3.1457 MHz (SWBST operates at 2.0 MHz).

• Communication interfaces:

• SPI - Frequency up to 26 MHz

•I

2C - Frequency at 400 kHz

• Power control signals - RESETB, RESETBMCU, WDI, INT, STANDBY,

STANDBYSEC, CHRGSE1B, and CS

KITUSBCOMDGLEVME Board

• Power supply = 5.0 V (supplied by computer USB port)

• Communication Interfaces:

•I

2C - Frequency up to 3.5 MHz (100 kHz, 400 kHz or 3.5 MHz); 

Voltage Level = Selectable (5.0 V, 3.3 V, or 1.8 V)

• SPI - Frequency up to 4.0 MHz; Voltage Level = Selectable (5.0 V, 3.3 V, or

1.8 V)

• UART - Frequency from 2400 bps to 115200 bps; Voltage Level = 12 V (Typ.)

• USB - Frequency fixed at 12 Mbps; Voltage Level = 5.0 V (Typ.)

MC13892 Evaluation Board Supports KIT13892VKEVBEJ and KIT13892VLEVBEJ, Rev. 3.0

8Freescale Semiconductor

Introduction

• Other Signals:

• Four PWM signals (Adjustable frequency up to 4.0 MHz)

• Open Drain signals with selectable voltage Level (5.0 V, 3.3 V or 1.8 V)

• Three GPIOs (General Purpose I/O pins) Open Drain signals with selectable

voltage Level (5.0 V, 3.3 V, or 1.8 V)

• Two ADCs (10 bits)

• Identifiers - Two ADC signals pulled up to 5.0 V thru 10 kohm resistors. These

inputs are designated to identify the Slave device and automatically OPEN its

corresponding Graphical User Interface (GUI). This feature only applies if a

slave board was designed for it.

3.4 EVBs Features

KIT13892KVxEVBEJ Board

• Four Layer Board

• Low Noise Design

• Top and bottom Layer component placement

• Three 12 pin connectors (J17, J18, and J24) for regulators, linear regulators, and

NMOS power gate switches accessibility. Review Figures 10 and 11 schematics

for connections

• Banana jack connectors (J6-J8 and J1-J2) for battery and charger attachments

• Battery holder for a CR2477 Li-Ion/Li-Pol coin cell

• Several jumper configurations for PMIC mode of operation

• Scattered test points for different measurements

•I

2C and SPI communication interface connectors (J10 and J14)

• Power control interface connector (J15)

• Three RGB LEDs for color mixing or general purpose signaling

• 17 white LEDs for backlighting applications. Note that an external Boost regulator

voltage needs to be attached at TP SWLED

• Two green LEDs for RESETB and RESETBMCU signaling

• One red LED for charger attachment signaling

• Four-wire resistive touch screen interface connector (J25)

KITUSBCOMDGLEVME Board

• Four Layer Board

• Low Noise Design

• Top Layer Placement

•UART,I

2C, and SPI communication interface connectors (J6, J7, and J9)

• USB type A connector

MC13892 Evaluation Board Supports KIT13892VKEVBEJ and KIT13892VLEVBEJ, Rev. 3.0

Freescale Semiconductor 9

Introduction

• Communication Voltage Level Shifting configuration (J3 and J5)

• BDM connector for MCU programming (J2)

• Pull-up resistors for I2C and SPI line communication voltage jumper configurations

(J4)

3.5 MC13892 Device Description/Features

• Battery charger system for wall charging and USB charging

• 10 bit ADC for monitoring battery and other inputs, plus a coulomb counter support

module

• Four adjustable output buck regulators for direct supply of the processor core and

memory

• 12 adjustable output LDOs with internal and external pass devices

• Boost regulator for supplying RGB LEDs

• Serial backlight drivers for displays and keypad, plus RGB LED drivers

• Power control logic with processor interface and event detection

• Real time clock and crystal oscillator circuitry, with coin cell backup and support for

external secure real time clock, on a companion system processor IC

• Touch screen interface

•SPI/I

2C bus interface for control and register access

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