AT32UC3C2512C Automotive Atmel Corporation, AT32UC3C2512C Automotive Datasheet - Page 1235

• Manufacturer Part Number: AT32UC3C2512C Automotive
• Manufacturer: Atmel Corporation

Table 39-30. aWire Command Summary
Table 39-31. Command/Response Description Notation
39.6.7.1
39.6.7.2
9166C–AVR-08/11
COMMAND
Command/Response
Command/Response value
Additional data
Possible responses
0x07
0x08
0x80
0x81
0x82
0x83
0x84
AYA
JTAG_ID
RESET
Instruction
DISABLE
2_PIN_MODE
MEMORY_WRITE
MEMORY_READ
HALT
SET_GUARD_TIME
All aWire commands are described below, with a summary in table form.
This command asks the AW: “Are you alive”, where the AW should respond with an
acknowledge.
Table 39-32. AYA Details
This command instructs the AW to output the JTAG idcode in the following response.
Table 39-33. JTAG_ID Details
Command
Command value
Additional data
Possible responses
Command
Command value
Additional data
Possible responses
Description
Shows the command/response value to put into the command/response field of the packet.
Shows the format of the optional data field if applicable.
Shows the possible responses for this command.
Description
Disables the AW.
Enables the DATAOUT pin and puts the aWire in 2-pin mode, where all
responses are sent on the DATAOUT pin.
Writes words, halfwords, or bytes to the SAB.
Reads words, halfwords, or bytes from the SAB.
Issues a halt command to the device.
Issues a reset to the Reset Controller.
Sets the guard time for the AW.
Details
0x01
N/A
0x40: ACK
0x41: NACK
Details
0x02
N/A
0xC0: IDCODE
0x41: NACK
(Section
(Section
(Section
(Section
39.6.8.1)
39.6.8.2)
39.6.8.2)
39.6.8.3)
AT32UC3C
1235