Renesas M16C/50 Series User Manual page 681

M16C/5L Group, M16C/56 Group
25.2.2 CRC Mode Register (CRCMR)
CRC Mode Register
b7 b6 b5 b4 b3 b2
25.2.3 CRC Data Register (CRCD)
CRC Data Register
(b15)
b7
25.2.4 CRC Input Register (CRCIN)
CRC Input Register
b7
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
b1 b0
Symbol
CRCMR
Bit Symbol Bit Name
CRC polynomial select
CRCPS
bit
—
No register bits. If necessary, set to 0. The read value is undefined.
(b6-b1)
CRCMS CRC mode select bit
(b8)
b0 b7 b0
When data is written to the CRCIN register after setting the
initial value in the CRCD register, the CRC code can be
read from this register.
b0
Symbol
CRCIN
Data input
Address
03B6h
16 12
0: X + X
16 15
1: X + X
0: LSB first
1: MSB first
Symbol Address
CRCD 03BDh to 03BCh
Function
Address
03BEh
Function
25. CRC Calculator
Reset Value
0XXX XXX0b
Function
5
+ X + 1 (CRC-CCITT)
2
+ X + 1 (CRC-16)
Setting Range
0000h to FFFFh
Reset Value
Undefined
Setting Range
00h to FFh
RW
RW
—
RW
Reset Value
Undefined
RW
RW
RW
RW
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