Datasheet

AVR079
39
8133A-AVR-04/08
Table 9-18. Answer format.
Offset Field Size Values
0 Command ID
(1)
1 byte XPRG_READ_CRC
1 Status
(2)
1 byte
2 Data
(3)
3 bytes CRC value
Notes: 1. The command identifier.
2. One of the defined error codes.
3. The CRC value calculated by the device itself.
10 Return Values
This section describes all possible return values and their meaning in detail.
10.1 Success
Table 10-1. Return values
Value Meaning
STATUS_CMD_OK Command executed OK
10.2 Warnings
All warnings have MSB set to 1 and MSB-1 set to 0.
Table 10-2. Return values
Value Meaning
STATUS_CMD_TOUT Command timed out
STATUS_RDY_BSY_TOUT Sampling of the RDY/nBSY pin timed out
STATUS_SET_PARAM_MISSING
The ‘Set Device Parameters’ have not been executed in
advance of this command
10.3 Errors
All errors have MSB and MSB-1 set to 1.
Table 10-3. Return values
Value Meaning
STATUS_CMD_FAILED Command failed
STATUS_CKSUM_ERROR Checksum Error
STATUS_CMD_UNKNOWN Unknown command
11 Parameters
The following parameters can be read and/or written by the CMD_GET_PARAM and
CMD_SET_PARAM commands: