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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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USB-TO-GPIO датащи(PDF) 15 Page - Texas Instruments |
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USB-TO-GPIO датащи(HTML) 15 Page - Texas Instruments |
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15 / 50 page  www.ti.com 3.5 Read/Write Port 0 Command and Response 3.6 EEPROM Program Command and Response Read/Write Port 0 Command and Response 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 B does not A apply to port 0 (bit.x=1 for read. Each Read/Write B 0x16 read/input, GPIO can be Port 0 (byte to write) bit.x=0 for configured as write /output) input or output. 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 Success: 0 Byte read Read/Write 0x96 Fail: 1 from port 0 Port 0 Each individual GPIO pin of the TUSB3210 port 0 can be configured as either an input or an output (see the schematic in Chapter 6). GPIO pins 3 to 7 are configured to have internal pullups turned on so no special external pullups are needed unless stronger I/O drives are necessary. GPIO pins 0, 1, and 2 are configured to be open-drain I/O ports. Use the software-configurable pullups to support I/O functions. When pin 0 or pin 1 is used as a GPIO, the I2C does not function properly anymore. Only after a power-on reset can the I2C function be used again without using pins 0 and 1 as GPIOs. Therefore, it is recommended that no more than six GPIO pins are used, reserve pins 0 and 1 exclusively for I2C applications. 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 EEPROM A = Starting B = Starting C (# of bytes Data to be programmed into EEPROM (up to 0x18 Program address MSB address LSB to program) 32 bytes) 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 Success: 0 EPROM 0x98 Fail: 1 Program This command is used for programming a firmware image to the EEPROM (U1 on schematic) of the EVM. It is recommended that the whole firmware image be split into multiple blocks of 32 bytes and call this command repeatedly until the programming is completed. SLLU093 – August 2006 Firmware Programming and Communications Protocol 15 Submit Documentation Feedback |
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