ST EVALSPEAr320HMI Manuale utente

April 2011 Doc ID 18410 Rev 3 1/36

UM1045

User manual

EVALSPEAr320HMI

SPEAr320 expansion board for HMI applications, revision 2

Introduction

This document applies to revision 2 EVALSPEAR320HMI expansion boards.

This board is intended to be used in conjunction with a SPEAr320 CPU board (sold

separately) to evaluate the SPEAr320 microprocessor with a variety of devices, especially in

its SMII automation networking mode.

Note: The SPEAr320 CPU board order code is EVALSPEAR320CPU.

Expansion board

CPU board

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Contents EVALSPEAr320HMI

2/36 Doc ID 18410 Rev 3

Contents

1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2 Block diagram and layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.2 Connecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.3 Booting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4 Block descriptions and configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.1 MicroSD card power up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.2 Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.3 TFT LCD with touch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.3.1 Connecting an LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.3.2 Connecting a touch screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.4 CAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.5 RS232 transceivers (U500 and U501) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.6 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.7 Dual interface EEPROM (U702) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.8 NAND flash memory (U100) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.9 Audio output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.10 LEDs (LD700 through LD703) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.11 Reset button (B700) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.12 Setting ADC conversion limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5 Connector pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.1 CAN DB9 plug connectors (CN400 and CN401) . . . . . . . . . . . . . . . . . . . . . . . . 17

5.2 Ethernet RJ45 connector (CN300) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.3 RS232/UART0 DB9 plug connector (CN500) . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.4 RS232/UART2 DB9 plug connector (CN501) . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.5 RS232/UART1 DB9 plug connector (CN502) . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.6 ET057010DHU LCD interface connector (J600) . . . . . . . . . . . . . . . . . . . . . . . . 19

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EVALSPEAr320HMI Contents

Doc ID 18410 Rev 3 3/36

5.7 EDT unified LCD interface connector (J601) . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.8 STMPE811 touch screen connectors (CN600 & TS_CN600) . . . . . . . . . . . . . . 20

5.9 General purpose ADC connector CN700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.10 General purpose GPIO, I2C connector (CN701) . . . . . . . . . . . . . . . . . . . . . . . . 22

5.11 Primer2 extension connector (CN702) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.12 Unified power line modem (PLM) connector (CN704) . . . . . . . . . . . . . . . . . . . . 23

5.13 Mono 3.5 mm audio jack connector (CN703) . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.14 MicroSD card connector (CN800) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.15 Power supply connectors (CN900 and CN901) . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.16 SPEAr320 CPU board 86-pin connectors (J1 and J2) . . . . . . . . . . . . . . . . . . . . 25

Appendix A Expansion board components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Appendix B License agreements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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Tables EVALSPEAr320HMI

4/36 Doc ID 18410 Rev 3

Tables

Table 1. Ethernet PHYU300 default configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Table 2. LCD module backlight control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Table 3. J600 configuration options (ET057010DHU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 4. J601 configuration options (unified interface displays) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 5. CAN0 transceiver settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 6. CAN1 transceiver settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 7. UART0 RS232 handshake enable configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Table 8. Bringing UART0/RS232 transceiver signals from the CPU board . . . . . . . . . . . . . . . . . . . 14

Table 9. U900 DC/DC converter jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 10. General purpose LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 11. CAN DB9 plug connector pinouts (CN400 and CN401) . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 12. Ethernet RJ45 connector pinout (CN300). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 13. RS232/UART0 DB9 plug connector pinout (CN500) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 14. RS232/UART2 DB9 plug connector pinout (CN501) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 15. RS232/UART1 DB9 plug connector pinout (CN502) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 16. ET057010DHU LCD interface connector pinout (J600) . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 17. EDT Unified LCD interface connector pinout (J601). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 18. STMPE811 touch screen connector pinouts (CN600 & TS_CN600) . . . . . . . . . . . . . . . . . 20

Table 19. General purpose ADC connector pinout (CN700) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Table 20. General purpose GPIO, I2C connector pinout (CN701) . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Table 21. Primer2 extension connector pinout (CN702). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Table 22. Unified power line modem (PLM) connector pinout (CN704) . . . . . . . . . . . . . . . . . . . . . . . 23

Table 23. Mono 3.5 mm audio jack connector pinout (CN703) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table 24. MicroSD card connector pinout (CN800) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 25. Power supply connector pinouts (CN900 and CN901) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 26. SPEAr320 CPU board connectors J1 pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 27. SPEAr320 CPU board connectors J2 pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 28. Expansion board components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Table 29. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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EVALSPEAr320HMI Figures

Doc ID 18410 Rev 3 5/36

Figures

Figure 1. Expansion board block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 2. Expansion board layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 3. SPEAr320 CPU board 86-pin connector pinouts (J1 and J2). . . . . . . . . . . . . . . . . . . . . . . 25

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Features EVALSPEAr320HMI

6/36 Doc ID 18410 Rev 3

1 Features

●1 x Ethernet RJ45 connector (ST802RT1A)

●1x LCD interface for 5.7” 640x480 EDT screen (ET057010DHU)

●1x Unified LCD interface (EDT displays with Unified interface)

●1x Resistive touch screen interface (STMPE811)

●2 x CAN DB9 plug connectors

●3 x RS232 DB9 plug connectors (ST3232EBTR)

●Onboard temperature sensor and potentiometer (STMPE811)

●64 Kbit dual interface EEPROM: ISO 15693 and ISO 18000-3 mode 1 compliant

contactless interface + I2C (M24LR64)

●4Gb NAND flash memory

●PWM mono audio output

●Analog extension connector featuring 8 ADC lines

●General purpose extension connector with GPIOs and I2C functionality

●Unified Power Line modem (PLM) connector

●Raisonance Primer2 extension boards interface connector

●DC/DC converter L7986A (+24V/+5V)

●MicroSDcard socket

●4 LEDs

●2 general purpose buttons

●System reset button

2 Block diagram and layout

Figure 1. Expansion board block diagram

(sold separately)

SPEArTM320

CPU

board

5.7 inch TFT LCD

with TOUCH

640 x 480

FLASH

NAND 4 Gb

Buttons

Reset

ST802RT1A

RJ45

LEDs

DC/DC

+5V Micro

SD card

GPIO/12C connector

Potentiometer

ADC connector

Temperature

DB9/M DB9/M DB9/M

RS232 RS232 RS232

CAN 1

CAN 2

DB9/M

Unified PLM interface

Primer2 ext. interface

Dual EPROM

Audio output

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EVALSPEAr320HMI Block diagram and layout

Doc ID 18410 Rev 3 7/36

Figure 2. Expansion board layout

CN600

Touch-screen

interface

R609

Potentiometer

U600

Touch sensing +

temperature

sensor

U702

Dual interface

EEPROM +

antenna

B601

User button 1

B602

User button 2

U100

NAND flash

CN401

CAN1

LEDs

CN400

CAN0

B700

Reset

CN901,

CN900

Power plugs

CN500

RS232_0

UART0

CN502

RS232_1

UART1

CN501

RS232_2

UART2

Buzzer

R713

Volume control

CN703

Audio out

J601

Unified LCD

connector

CN800

MicroSD card

J600

LCD connector

CN704

Unified PLM

connector

CN700 ADC

connector

CN701 GPIO,

12C connector

CN702

Primer2

extensions

connector

CN300

Ethernet0

SPEAr320

CPU board

(sold separately)

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Getting started EVALSPEAr320HMI

8/36 Doc ID 18410 Rev 3

3 Getting started

3.1 Unpacking

Warning: This board contains static sensitive devices.

The EVALSPEAr320HMI evaluation board is shipped in protective anti-static packaging. Do

not submit the board to high electrostatic potentials, and follow good practices for working

with static sensitive devices.

●Wear an anti-static wristband. Wearing a simple anti-static wristband can help

prevent ESD from damaging the board.

●Zero potential. Always touch a grounded conducting material before handling the

board, and periodically while handling it.

●Use an anti-static mat. When configuring the board, place it on and anti-static mat to

reduce the possibility of ESD damage.

●Handle only the edges. Handle the board by its edges only, and avoid touching board

components.

3.2 Connecting

1. Carefully plug the CPU board into the expansion board.

2. On the EVALSPEAr320CPU board, set Switch 2 to parallel NAND 8 boot mode:

3. Connect a serial cable from the expansion board (connector CN500: RS232_0/UART0)

to the host PC (see Figure 2: Expansion board layout).

4. On the host PC running Windows or Linux, start the Terminal program.

5. Connect a power supply to the SPEAr320 HMI evaluation board as described in

Section 4.6: Power supply on page 15.

6. Apply power to the board. The Terminal program displays a sequence of boot

messages followed by the Linux console prompt.

For more information, refer to user manual UM0844, Getting started with Linux for SPEAr,

available at www.st.com/spear.

3.3 Booting

The SPEAr320 HMI evaluation board can boot a Linux kernel pre-installed in the parallel

NAND Flash. At power on, the serial port outputs a brief header message with some uBoot

information (uBoot version, SDK version, and some internal hardware information). At this

point you can choose to:

●Stop the system directly in uBoot: Before the boot delay time expires (default is

3 seconds), press the spacebar on the host computer’s keyboard.

●Boot Linux: The system boot is finished when the login prompt appears in the console.

The default login user name for super user is root; no password is required.

Positions 1, 4, 6, and 7: Off Positions 2, 3, 5, and 8: On

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EVALSPEAr320HMI Block descriptions and configurations

Doc ID 18410 Rev 3 9/36

4 Block descriptions and configurations

●MicroSD card power up

●Ethernet on page 10

●TFT LCD with touch on page 10

–Connecting an LCD on page 11

–Connecting a touch screen on page 12

●CAN on page 13

●RS232 transceivers (U500 and U501) on page 14

●Power supply on page 15

●Dual interface EEPROM (U702) on page 15

●NAND flash memory (U100) on page 15

●Audio output on page 16

●LEDs (LD700 through LD703) on page 16

●Reset button (B700) on page 16

Note: See also: Chapter 5: Connector pinouts on page 17

4.1 MicroSD card power up

The MicroSD card connector is on the EVALSPEAR320HMI SDIO interface.

To power-up the MicroSD card properly:

1. Detect card insertion.

Card detection is managed by the standard SDIO signal SDCD.

2. Enable the single channel power switch U801 by means of PL_GPIO42 (active low).

By default, U801 power output is disabled by the R808 pull-up resistor connected to the

power switch enable pin.

JP800 controls the MicroSD card access that manipulates the MicroSD interface Write

Protect signal. By default JP800 is closed, and the card is used in Write-Enabled mode.

See also: MicroSD card connector (CN800) on page 24

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Block descriptions and configurations EVALSPEAr320HMI

10/36 Doc ID 18410 Rev 3

4.2 Ethernet

The board has one Ethernet PHY (U300) connected through the media-independent

interfaces (MII) to the Ethernet MAC on the CPU board processor.

Ethernet PHY default MII addresses: 0x01

Two LEDs embedded in the RJ45 connector (CN300) indicate the line status:

●The green LED is on whenever the Ethernet is linked.

●The yellow LED blinks during TX or RX activity.

Table 1 lists the Ethernet Phy default configuration.

4.3 TFT LCD with touch

The expansion board has one 5.7” LCD screen that is attached to the internal SPEAr320

LCD controller.

TFT LCD display characteristics

●Resolution: 640 x 480 pixels

●Display colors: up to 16.7M

●24-bit RGB parallel interface

The LCD module has white LED backlight and a resistive touch panel. The complete LCD

module, including backlight, is connected to the 3.3V power domain. LED backlight can be

manually powered on or off using JP600; if JP600 is left open, the backlight can be powered

by the microprocessor PWM signal (PWM0). See Tab l e 2

Table 1. Ethernet PHYU300 default configuration

Function Default configuration

Auto negotiation Enabled

10/100 Mbits 100 Mbits selected for auto negotiation advertisement

Half/Full duplex Full duplex selected for auto negotiation advertisement

Internal Loopback Disabled

Power down Disabled (PHY is not in Power down)

MII/RMII mode MII selected

Table 2. LCD module backlight control

Jumper Description Configuration

JP600

LCD backlight: on; Intensity: 100%

LCD backlight: off; Intensity: 0%

LCD backlight can be controlled using MPU PWM channel 0

Intensity: according to the PWM duty cycle

Recommended signal operational frequency: 1.5 kHz

123

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