Zigen AX-88 Audio User Manual
Page 54
Matrix Switching System—User Manual
53
Byte 5: CRC Byte (CB)
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CB
CRC (cyclic redundancy check)
CRC: Host must send CRC code to follow the last byte.
B. Variable Length Command
Byte 3: Length Byte (LB)
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
LB
Length for the total data bytes (Index + Value)
LB: LB value is equal to the total data bytes (Index + Value), not include the CRC byte.
The maximum LB decided by the LBMAX flag of the extended information from
device. If the extended information does not exist, the default maximum LB is 64
bytes.
Other Bytes: The other bytes are the same as the standard command.