Texas Instruments TMDSCNCD263-PMIC Manuale utente

EVM User's Guide: TMDSCNCD263-PMIC

AM263x Control Card with PMIC and Automotive Ethernet

Description

The AM263x Control Card Evaluation Module

(EVM) is an evaluation and development board for

the Texas Instruments Sitara™ AM263x series of

microcontrollers (MCUs). This EVM provides an easy

way to start developing on the AM263x MCUs with

on-board emulation for programming and debugging

as well as buttons and LEDs for a simple user

interface. This version of the AM263x Control Card

(TMDSCNCD263-PMIC) has all of the qualities of

the original AM263x Control Card (TMDSCNCD263)

while also incorporating a PMIC power solution and

replacing two of the Industrial Ethernet PHYs plus

RJ45 connectors with Automotive Ethernet PHYs plus

MATEnet connectors. The control card also enables

header pin access to key signals through the use

of a high speed edge connector (HSEC) baseboard

docking station for rapid prototyping.

Features

•Integrated power and safety monitoring

solution that is consistent with the ISO26262

ASIL-D specification

–Multirail Power Supply designed for Safety-

Relevant Applications

–Automotive, dual-channel voltage

supervisor with very-high accuracy

•Two MATEnet connectors with on-board

Automotive Ethernet PHYs

• One RJ45 ethernet port with on-board Industrial

Ethernet PHY

• PCB dimensions: 131.15 mm width by 92.81 mm

length + 6.17 mm length of HSEC interface

• Powered through 5 V, 3 A USB type-C input

• On-board XDS110 debug probe

• 180 pin HSEC interface for rapid prototyping

• Three push buttons:

– PORz

– User interrupt

– RESETz

• LEDs for:

– Power status

– User testing

– Ethernet connection

– I2C driven array

• CAN connectivity with on-board CAN transceiver

• LIN connectivity with on-board LIN transceiver

• Dedicated FSI connector

• TI Test Automation Header

• MMC interface to micro SD card connector

• On-board memory

– 128 MB QSPI Flash

– 1 MB I2C EEPROM

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AM263x Control Card with PMIC and Automotive Ethernet 1

1 Evaluation Module Overview

Preface: Read This First

1.1.1 Sitara™ MCU+ Academy

Texas Instruments™ offers the MCU+ Academy as a resource for designing with the MCU+ software and tools

on supported devices. The MCU+ Academy features easy-to-use training modules that range from the basics of

getting started to advanced development topics.

1.1.2 If You Need Assistance

If you have any feedback or questions, support for the Sitara™ MCUs and the AM263x Control Card

development kit is provided by the TI Product Information Center (PIC) and the TI E2E™ Forum. Contact

information for the PIC can be found on the TI website. Additional device-specific information can be found in the

Section 6.1.

1.1.3 Important Usage Notes

Note

The TMDSCNCD263-PMIC has software examples and drivers in a one-time SDK release. For more

information on the installation of the SDK, refer to Section 3.1.

Note

The TMDSCNCD263-PMIC E1 design has various hardware modifications to make sure of proper

operation of the EVM. For additional details of all modifications, refer to Section 5.2.

Note

The AM263x Control Card requires a 5 V, 3 A power supply to function. While a USB type-C cable is

included, a 5 V, 3 A power supply is not included in the kit and must be ordered separately. For more

information, refer to Section 2.3.

Note

TMDSCNCD263-PMIC includes a PMIC and Boost regulator, U30 and U182 which can exceed 55℃

case temperature during normal operation. This user guide's statement and the PCB warning sticker

from the table below have been added to alert users to these higher temperature components.

Caution

Caution hot surface.

Contact can cause burns.

Do not touch!

Note

External Power Supply or Power Accessory Requirements:

• Nominal output voltage: 5-VDC

• Max output current: 3000 mA

• Efficiency Level V

Note

TI recommends using an external power supply or accessory which complies with applicable regional

safety standards such as (by example) UL, CSA, VDE, CCC, PSE, etc.

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1.1 Introduction

The original AM263x Control Card (TMDSCNCD263) was developed to enable easy and rapid prototyping of

the AM263x and all of the peripherals. The changes between the original Control Card and this specific version,

TMDSCNCD263-PMIC, is showcased in Table 1-1.

Table 1-1. Control Card Differences

Subsystem TMDSCNCD263 TMDSCNCD263-PMIC TMDSCNCD263-PMIC Part Number

Power Discrete power Power Management Integrated Chip

(PMIC)

O3850QDCARQ1

Voltage

Supervisor

N/A 1x Automotive, multichannel window

supervisor with very-high accuracy for

1.2 V and 3.3 V supply rails

TPS37042A3OFDDFRQ1

Ethernet 3x Industrial Ethernet PHYs with RJ45

connectors

1x Industrial Ethernet PHY with RJ45

Connector

DP83826ERHBT

2x Automotive Ethernet PHY with

MATEnet connectors

DP83TG720SWRHARQ1

This EVM supports integrated power and safety monitoring that is consistent with ISO26262 ASIL-D by using a

PMIC designed for safety-relevant applications as well as an independent, automotive-grade voltage supervisor.

The Control Card described in this user guide has an E1 and E2 revision. The E1 revision of the Control Card

requires Hardware modifications for proper use. The E1 design Hardware Modifications are described in Section

5.2. The E2 Design files serve as a reference for the proper implementation of the PMIC with the AM263x.

Design files for both E1 and E2 versions of the TMDSCNCD263-PMIC can be found in Section 4.

1.2 Kit Contents

The Sitara AM263x Control Card development kit contains the following items:

• AM263x Sitara series control card development board

• Type-A to Micro-B USB cable (1 meter length)

• USB Type-C Cable (1 meter length)

Note

The maximum length of the IO cables shall not exceed 3 meters.

Not included:

• HSEC 180-pin Baseboard Docking Station

• Standoffs

• USB Type-C 5-V/3-A AC/DC supply and cable

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1.3 Specification

Figure 1-1. System Architecture

1.4 Device Information

The AM263x Sitara™ Arm® Microcontrollers are built to meet the complex real-time processing needs of

next generation industrial and automotive embedded products. The AM263x MCU family consists of multiple

pin-to-pin compatible devices with up to four 400 MHz Arm® Cortex®-R5F cores. As an option, the Arm® R5F

subsystem can be programmed to run in lockstep or dual-core mode for multiple functional safety configurations.

The industrial communications subsystem (PRU-ICSS) enables integrated industrial Ethernet communication

protocols such as PROFINET®, TSN, Ethernet/IP®, EtherCAT® (among many others), standard Ethernet

connectivity, and even custom I/O interfaces. The family is designed for the future of motor control and digital

power applications with advanced analog sensing and digital actuation modules.

The multiple R5F cores are arranged in cluster subsystems with 256KB of shared tightly coupled memory (TCM)

along with 2MB of shared SRAM, greatly reducing the need for external memory. Extensive ECC is included

for on-chip memories, peripherals, and interconnects for enhanced reliability. Granular firewalls managed by the

Hardware Security Manager (HSM) enable developers to implement stringent security-minded system design

requirements. Cryptographic acceleration and secure boot are also available on AM263x devices.

For additional information about the AM263x, refer to either the data sheet: AM263x Sitara™ Microcontrollers

Data Sheet or the Technical Reference Manual: AM263x Sitara™ Microcontrollers Technical Reference Manual.

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1.5 HSEC 180-pin Control Card Docking Station

The TMDSHSECDOCK 180-pin docking station is available for purchase through Texas Instruments. The

docking station is a baseboard that enables rapid prototyping. There is a power switch on the docking station

that determines whether power to the Control Card is supplied by the 5 V connector or the USB connector.

Note

The docking station power switch must be toggled to the EXT-ON side to meet the power

requirements of the AM263x Control Card. EXT-ON indicates that the power is being sourced from

the Barrell connector of the Control Card Dock. The mini-USB (USB-ON) connector does not meet the

power requirements of the AM263x Control Card.

The AM263x Control Card has a power mux (TPS2121RUXT) that supplies power from the type-C connection,

as long as the voltage supplied by the type-C connection is equal to or greater than the voltage supplied by the

HSEC docking station. Therefore, if both a type-C connection is present and the Control Card is connected to a

powered HSEC docking station, then the power mux routes the type-C supplied voltage to VMAIN of the Control

Card. If there is no type-C connection and voltage is being supplied through the HSEC docking station, then the

power mux routes that voltage to VMAIN of the Control Card.

For more information on the docking station, refer to the 180-Pin Docking Station Informational Guide.

1.6 Security

The AM263x Control Card features a High Security, Field Securable (HS-FS) device. An HS-FS device has the

ability to use a one time programming to convert the device from HS-FS to High Security, Security Enforced

(HS-SE).

The AM263x device leaves the TI factory in an HS-FS state where customer keys are not programmed and has

the following attributes:

• Does not enforce the secure boot process

• M4 JTAG port is closed

• R5 JTAG port is open

• Security Subsystem firewalls are closed

• SoC Firewalls are open

• ROM Boot expects a TI signed binary (encryption is optional)

• TIFS-MCU binary is signed by the TI private key

The One Time Programmable (OTP) keyrwriter converts the secure device from HS-FS to HS-SE. The OTP

keywriter programs customer keys into the device eFustes to enforce secure boot and establish a root of trust.

The secure boot requires an image to be encrypted (optional) and signed using customer keys, which is verified

by the SoC. A secure device in the HS-SE state has the following attributes:

• M4, R5 JTAG ports are both closed

• Security Subsystems and SoC Firewalls are both closed

• TIFS-MCU and SBL need to be signed with active customer key

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2 Hardware

2.1 Functional Block Diagram

Power MUX

TSP2121RUXT

VDD, VDDF,

VDDAR[3:1],

VDD_TEMP (1.2V)

VDDS33 (3.3V)

VDDA33 (3.3V)

VDDS18_LDO (1.8V)

VDDA18_LDO (1.8V)

AM263x MCU

VDDS18 (1.8V)

VDDA18,

VDDA18_OSC_PLL

(1.8V)

1.8V Digital

1.8V Analog

TPS653850A-Q1/

O3850AQDCARQ1

PMIC Ferrite (3A)

Ethernet PHY 1.0V/2.0A

TPS62097RWKT LDO

1.2V Core Digital

3.3V Digital

3.3V Analog

ADC_VREFHI_G0,

ADC_VREFHI_G0

(1.8V)

DAC_VREF0,

DAC_VREF1 (1.8V)

RP Resistor Pull-Up/Down

AND Gate

1.2V

3.3V

PORZ

WARMRSTN

SOP[0]/QSPI0_D0,

SOP[1]/QSPI0_D1,

SOP[2]/SPI0_CLK,

SOP[3]/SPI0_D0

SOP[3:0]

XTAL_XI/XTAL_XO

25 MHz

Oscillator

VSYS_MON

System 5V RD 0.9V REF

RD Resistor Divider

ADC0_AIN[1:0]

ADC0_AIN[3:2]

ADC0_AIN[5:4]

HSEC 180-Pin

Card-Edge

ADC1_AIN[1:0]

ADC1_AIN[3:2]

ADC1_AIN[5:4]

ADC2_AIN[1:0]

ADC2_AIN[3:2]

ADC2_AIN[5:4]

ADC3_AIN[1:0]

ADC3_AIN[3:2]

ADC3_AIN[5:4]

ADC4_AIN[1:0]

ADC_CAL[1:0]

DAC_OUT

EPWM[0:7, 21]_A/B

SPI0_D0, SPI0_D1,

SPI0_CLK, SPI0_CS0

SPI1_D0, SPI1_D1,

SPI1_CLK, SPI1_CS0

I2C1_SDA, I2C1_SCL

SDFM0_CLK[3:0],

SDFM0_D[3:0]

EQEP[0,2]_A/B,

EQEP[0,2]_INDEX,

EQEP[0,2]_STROBE

EXT_REFCLK0

I2C1 SDA, SCL

I2C3 SDA, SCL

UART2/LIN2 TX/RX

MCAN1

PR0_ICSSM MDIO

MMC0_CLK,

MMC0_CMD,

MMC0_D[3:0],

MMC0_WP,

MMC0_CD

uSD

Connector

SPI0 D0, D1, CS, CLK

SPI1 D0, D1, CS, CLK

Digital IC

Control/

Memory

UART1/LIN1 TX/RX

TCK, TDI, TDO, TMS

UART0

JTAG

UART

CAN Network

RGMII/MII 1Gbit

Ethernet PHY #1

DP83826ERHBT

RJ-45PRU-ICSS (PRU1) RGMII/MII

CPSW RGMII1/RMII1/MII1

PRU-ICSS (PRU0) RGMII/MII

CPSW RGMII2/RMII2/MII2

Isolation

JTAG

UART

CPSW MDIO

MUX

FSI2

Key

Connector/Source/Load

Major IC

QSPI0_CLK,

QSPI0_CSn0,

QSPI0_D0,

QSPI0_D1,

QSPI0_D2,

QSPI0_D3,

QSPI Flash, 512Mbyte

S25HL512TFAMHI010

WARMRSTN

STATUS OUTPUT

Ethernet

PHYs

1.0V

PR0_IEP0_EDIO_DATA_IN_OUT31

PR0_IEP0_EDC_SYNC_OUT0

100-mil

Headers

AM263x MCU

ADC VREF

Paths

JTAG and

UART Debug/

SBL Loading

MCAN PHY

TCAN1042HGVDQ1

USB Type-C

5.0V/3A

HSEC 5.0V

3.3V System

EPWM[0:7, 21]

DAC VREF

Paths

Boost Regulator

12V/1A

LM3488MM

5V VMAIN

VMAIN 12V

PMIC_NRES

Voltage

Monitor

TSP3704

Power Good

AND Gate

Push

Button VMAIN RD

Ethernet PHY #2

100 mil 10

pin Header

Ethernet PHY #1

Ethernet PHY #3

4 Channel

Clock Buffer /3

Ethernet PHYs

RGMII/MII 1Gbit

Automotive

Ethernet PHY #2

DP83TG720

MATEnet

Connector

RGMII/MII 1Gbit

Automotive

Ethernet PHY #3

DP83TG720

MATEnet

Connector

SPI0

SPI1

I2C1

SDFM0

UART1_TX, UART1_RX

MCAN0_TX,

MCAN0_RX

GPMC0_AD[0-15],

GPMC0_CLKB

UART1

MCAN0

GPMC0

TCK, TDI, TDO, TMS

EQEP[0,2]

JTAG

MUX

HSEC MII0

MUX

HSEC MII1

HSEC MII0

HSEC MII1

Figure 2-1. AM263x Control Card Block Diagram

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2.2 Component Identification

Figure 2-2. Component Identification Front

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Figure 2-3. Component Identification Back

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2.3 Power Requirements

The AM263x Control Card is powered from a 5 V, 3 A USB type-C input or from a 5 V, 3 A HSEC connection

supplied by the docking station. The following sections describe the power distribution network topology that

supplies the AM263x Control Card, supporting components, and the reference voltages.

Power supply solutions that are compatible with the AM263x Control Card:

• When using the USB type-C input:

– 5 V, 3 A power adapter with USB-C receptacle

– 5 V, 3 A power adapter with captive USB-C cable

– PC USB type-C port that has Power Delivery classification

• Thunderbolt

• Battery behind USB logo

Figure 2-4. USB Type-C Power Delivery Classification

• When using the HSEC DC barrel jack power input:

– A power adapter that is at least 15 W

Power supply solutions that are NOT compatible with the AM263x Control Card:

• When using USB type-C input:

– Any USB adapter cables such as:

• Type-A to type-C

• micro-B to type-C

• DC barrel jack to type-C

– 5 V, 1.5 A power adapter with USB-C captive cable or receptacle

– PC USB type-C port not capable of 3 A

2.3.1 Power Input Using USB Type-C Connector

The AM263x Control Card can be powered through a USB type-C connection. The USB Type-C source is

capable of providing 3 A at 5 V and advertises the current sourcing capability through the CC1 and CC2

signals. On this EVM, the CC1 and CC2 from the USB type-C connector are interfaced to the port controller

IC (TUSB320LAIRWBR). This device uses the CC pins to determine port attach/detach, cable orientation, role

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AM263x Control Card with PMIC and Automotive Ethernet 9

detection, and port control for Type-C current mode. The CC logic detects the Type-C current mode as default,

medium, or high depending on the role detected.

The Port pin is pulled down to ground with a resistor to configure the IC in upward facing port (UFP) mode.

VBUS detection is implemented to determine a successful attach in upward facing port (UFP) mode. The OUT1

and OUT2 pins are connected to a NOR gate. Active low on both the OUT1 and OUT2 pins advertises high

current (3A) in the attached state which enables the load switch (TPS22965DSGT) to provide the VBUS_MAIN

supply which powers other regulators that create the power rails for the device.

In UFP mode, the port controller IC constantly presents pull-down resistors on both CC pins. The port controller

IC also monitors the CC pins for the voltage level corresponding to the Type-C mode current advertisement

by the connected downward facing port (DFP). The port controller IC de-bounces the CC pins and waits for

VBUS detection before successfully attaching. As a UFP, the port controller device detects and communicates

the advertised current level of the DFP to the system through the OUT1 and OUT2 GPIOs.

The power requirement for AM263x Control Card is 5 V at 3 A. If the source is not capable of providing

the required power, then the output at the NOR gate becomes low, disabling the VBUS_MAIN power switch.

Therefore, if the power requirement is not met, then all power supplies except VSYS_TA_3V3 remain in an off

state. The board gets powered on completely only when the source can provide 5 V at 3 A.

Figure 2-5. Type-C CC Configuration

Table 2-1. Current Sourcing Capability and State of USB Type-C Cable

OUT1 OUT2 Advertisement

H H Default current in unattached state

H L Default current in attached state

L H Medium current (1.5A) in attached state

L L High current (3.0A) in attached state

The AM263x Control Card includes a power source based on a Power Management Integrated Chip (PMIC) for

each of the power rails. During the initial stage of the power supply, 5 V supplied by the type-C USB connector is

used to generate all of the necessary voltages required by the PMIC and subsequently the rest of the board via

the PMIC LDO outputs. For more information about the PMIC, refer to Section 2.3.5.

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