Maxim Integrated MAXQ20-Based Microcontroller Bootloader Command Reference - Manual (Page 13)

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.