8.10 System Write: $B4
The System Write command allows writing of configuration data to the device. Depending on the value of the Address 1 parameter, the host may write data to the Configuration zone, program the fuses, or set the user zone.
Command Description |
Command |
Addr 1 |
Addr 2 |
N |
Data(N) |
---|---|---|---|---|---|
Write Config Zone |
$B4 |
$00 |
Addr |
N ≤ $10 |
N bytes |
Write Fuses |
$B4 |
$01 |
Fuse ID |
$00 | |
Send Checksum |
$B4 |
$02 |
$00 |
$02 |
2 bytes |
Set User Zone |
$B4 |
$03 |
Zone |
$00 |