Datasheet

32
AVR079
8133A-AVR-04/08
Table 8-14. Answer format.
Field Size Values Description
Answer id 1 byte CMD_JTAG_AVR32 Answer id
Status 1 byte
RSP_FAILED
RSP_ILLEGAL_VALUE
RSP_SCAN_CHAIN_READ
Data n * 4 bytes If RSP_SCAN_CHAIN_READ
8.8 CMD_NEXUS_WRITE_AVR32
This command writes a word to the specified nexus register. It is equivalent to a SAB
write to address OCD_REGISTER + <register> * 4.
Table 8-15. Command format.
Field Size Values Description
AVR32JTAG id 1 byte CMD_JTAG_AVR32 Command id (0x80)
ICE command 1 byte
CMND_JTAG_NEXUS_WRITE
(0x26)
register 1 byte
Data 4 bytes
Table 8-16. Answer format.
Field Size Values Description
Answer id 1 byte CMD_JTAG_AVR32 Answer id
status 1 byte
RSP_OK
RSP_FAILED
8.9 CMD_NEXUS_READ_AVR32
This command reads a word to the specified nexus register. It is equivalent to a SAB
read from address OCD_REGISTER + <register> * 4.
Table 8-17. Command format.
Field Size Values Description
AVR32JTAG id 1 byte CMD_JTAG_AVR32 Command id (0x80)
ICE command 1 byte CMND_JTAG_NEXUS_READ (0x27)
Register 1 byte
Table 8-18. Answer format.
Field Size Values Description
Answer id 1 byte CMD_JTAG_AVR32 Answer id
status 1 byte
RSP_FAILED
RSP_SCAN_CHAIN_READ
Data 4 bytes If RSP_SCAN_CHAIN_READ