USB-TO-GPIO datasheet(38/50 Pages) TI1

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A.2

USB Interface Adapter to Host PC Response Commands

USB

PACKET

USB

COMMAND

USB PACKET

BYTE 0

PACKET

COMMENTS

DESCRIPTION

BYTES 6-63

COMMAND

BYTE 1

BYTE 2

BYTE 3

BYTE 4

BYTE 5

CODE

Start toggling

eight LEDs

connected to

Board Test

0x1F

the eight GPIO

pins

simultaneously

for 5 s.

Note:

See Chapter 3 for detailed explanation of each command.

USB PACKET

COMMAND

BYTE 0

USB PACKET USB PACKET

USB PACKET USB PACKET USB PACKET

USB PACKET

COMMENTS

DESCRIPTION

COMMAND

BYTE 1

BYTE 2

BYTE 3

BYTE 4

BYTE 5

BYTES 6-63

CODE

Response from

Family

Main version

Minor version

Firmware

0x80

number

(0 to 255)

Version

(0 to 255)

Response from

Success: 0

0x94

Fail: 1

I2C Write

Response from

Success: 0

0x95

D number of bytes read

Fail: 1

I2C Read

Response from

Success: 0

Byte read

Read/Write

0x96

Fail: 1

from port 0

Port 0

Response from

Success: 0

EEPROM

0x98

Fail: 1

Program

Response from

Success: 0

0x99

C number of bytes read back from EEPROM (up to 32 bytes)

EEPROM Read

Fail: 1

Response from

Success: 0

Pullups have

Set Pullup

0x9A

Fail: 1

been set.

Resistors

Response from

Done with

Set

0x9B

speed

I2C/PMBUS/SM

selection.

BUS Speed

Response from

Success: 0

0x9C

Generic I2C

Fail: 1

Write

Response from

Success: 0

0x9D

X number of bytes (1 to 62) read back from slave

Generic I2C

Fail: 1

Read

Response from

Board test is

0xFF

Board Test

done.

Note:

See Chapter 3 for detailed explanation of each command.

Lists of Communication Protocol

SLLU093 – August 2006

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