Freescale Semiconductor HCS08 Series, Reference Manual

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Cyclic Redundancy Check Generator (S08CRCV2)
MC9S08JS16 MCU Series Reference Manual, Rev. 4
278 Freescale Semiconductor
16.1.3 Block Diagram
Figure 16-2 provides a block diagram of the CRC module
Figure 16-2. Cyclic Redundancy Check (CRC) Module Block Diagram
16.2 External Signal Description
There are no CRC signals that connect off chip.
16.3 Register Definition
16.3.1 Memory Map
Table 16-1. CRC Register Summary
Name
7 6 5 4 3 2 1 0
CRCH
(offset=0)
R
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8
W
CRCL
(offset=1)
R
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
W
15 14
13
12 11 1 0 3 2 4
6
5
......
CRC Low Register (CRCL)
CRC High Register (CRCH)
7 0
15 8
16-bit CRC Generator Circuit