Reference Owner manual

MAXQ20-Based Microcontroller Bootloader Command Reference
13
Family B Commands—CRC Fixed Length (Password Protected)
Command B0h—CRC Code Fixed Length
Byte1
Byte2
Byte3
Byte4
Byte5
Byte6
Byte7
Byte8
Input
B0h
00h
00h
00h
00h
00h
00h
00h
Output
CRCL
CRCH
3Eh
This command returns the CRC-16 value (CRCH:CRCL) of the entire program memory
Command B1h—CRC Data Fixed Length
Byte1
Byte2
Byte3
Byte4
Byte5
Byte6
Byte7
Byte8
Input
B1h
00h
00h
00h
00h
00h
00h
00h
Output
CRCL
CRCH
3Eh
This command is only useful in devices with nonvolatile data memory. This command returns the CRC-16 value
(CRCH to CRCL) of the entire data memory, excluding the data SRAM.