AT32UC3L064_1 ATMEL [ATMEL Corporation], AT32UC3L064_1 Datasheet - Page 776

• Manufacturer Part Number: AT32UC3L064_1
• Description: AVR32 32-bit Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

31.6.7
Table 31-31. aWire Command Summary
Table 31-32. Command/Response Description Notation
31.6.7.1
32099A–AVR32–06/09
COMMAND
Command/Response
Command/Response value
Additional data
Possible responses
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x80
0x81
0x82
0x83
0x84
aWire Command Summary
AYA
JTAG_ID
MEMORY_SPEED_REQUEST
RESET
Instruction
AYA
STATUS_REQUEST
TUNE
CHIP_ERASE
DISABLE
FULL_DUPLEX
MEMORY_WRITE
MEMORY_READ
HALT
SET_GUARD_TIME
The implemented aWire commands are shown in the table below. The responses from the AW
are listed in
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 31-33. AYA Details
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.
Section
31.6.8.
Description
“Are you alive”.
Asks AW to return the JTAG IDCODE.
Request a status message from the AW.
Tell the AW to report the current baud rate.
Reports the speed difference between the aWire control and the SAB clock
domains.
Erases the flash and all volatile memories.
Disables the AW.
Enables the DATAOUT pin and puts the aWire in full duplex 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
(Section
(Section
31.6.8.1)
31.6.8.2)
AT32UC3L
776