AT32UC3C1512C Automotive Atmel Corporation, AT32UC3C1512C Automotive Datasheet - Page 1240

• Manufacturer Part Number: AT32UC3C1512C Automotive
• Manufacturer: Atmel Corporation

39.6.7.13
39.6.8
Table 39-47. aWire Response Summary
9166C–AVR-08/11
RESPONSE
0xC0
0xC1
0xC2
0xC3
0xC4
0xC5
0x40
0x41
aWire Response Summary
SET_GUARD_TIME
IDCODE
MEMDATA
BAUD_RATE
STATUS_INFO
Instruction
ACK
NACK
MEMORY_READWRITE_STATUS
MEMORY_SPEED
and their destinations are identical to the resets described in the JTAG data registers chapter
under reset register.
Table 39-45. RESET Details
Sets the guard time value in the AW, i.e. how long the AW will wait before starting its transfer
after the master has finished.
The guard time can be either 0x00 (128 bit lengths), 0x01 (16 bit lengths), 0x2 (4 bit lengths) or
0x3 (1 bit length).
Table 39-46. SET_GUARD_TIME Details
The implemented aWire responses are shown in the table below.
Command
Command value
Additional data
Possible responses
Command
Command value
Additional data
Possible responses
Description
Acknowledge.
Not acknowledge. Sent after CRC errors and after unknown commands.
The JTAG idcode.
Values read from memory.
Status after a MEMORY_WRITE or a MEMORY_READ command. OK, busy,
error.
The current baudrate.
Status information.
SAB to aWire speed information.
Details
0x83
Reset value for each reset domain. The number of reset
domains is part specific.
0x40: ACK
0x41: NACK
Details
0x84
Guard time
0x40: ACK
0x41: NACK
(Section
(Section
(Section
(Section
39.6.8.1)
39.6.8.1)
39.6.8.2)
39.6.8.2)
AT32UC3C
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