Atmel ATSTK500 500 Starter kit and development system. ATSTK500 ATSTK500 Hoja De Datos

 

2591C-AVR-06/06 

This command programs the fuses of the target device. 

Table 5-27. Command format 

Command ID 

1 byte 

CMD_PROGRAM_FUSE_ISP 

Command id 

cmd1 

1 byte 

 

Command Byte #1 

cmd2 

1 byte 

 

Command Byte #2 

cmd3 

1 byte 

 

Command Byte #3 

cmd4 

1 byte 

 

Command Byte #4 

Note: 

cmd1, cmd2, cmd3 and cmd4 are the four bytes of the low-level program fuse ISP 
command 

 

Table 5-28. Answer format 

Answer ID 

1 byte 

CMD_PROGRAM_FUSE_ISP 

Answer id 

Status1 

1 byte 

STATUS_CMD_OK 

Will always read OK 

Status2 

1 byte 

STATUS_CMD_OK 

Will always read OK 

This command reads the fuses of the target device. 

Table 5-29. Command format 

Command ID 

1 byte 

CMD_READ_FUSE_ISP 

Command id 

RetAddr 

1 byte 

XML: pollIndex 

Return address 

cmd1 

1 byte 

 

Command Byte #1 

cmd2 

1 byte 

 

Command Byte #2 

cmd3 

1 byte 

 

Command Byte #3 

cmd4 

1 byte 

 

Command Byte #4 

Note: 

RetAddr indicates after which of the transmitted bytes on the SPI interface to store 
the return byte, as the SPI interface is implemented as a ring buffer (one byte out, 
one byte in)