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M30245 Group
CRC data register
(b15)
b7
CRC input register
CRC mode register
b7
CRC snoop address register
(b15)
b7
Figure 2.11.2. CRC-related registers
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
(b8)
b0
b7
b7
b0
Bit symbol
CRCPS
Nothing is assigned.
Write "0" when writing to this bit. The value is "0" if read.
CRCMS
(b8)
b0
b7
b0
CRCSAR9-0
Nothing is assigned.
Write "0" when writing to this bit. The value is indeterminate if read.
CRCSR
CRCSW
Note: Only USB, UART and SSI related registers can be snooped.
page 250 of 354
Symbol
b0
CRCD
Function
CRC calculation result output
Symbol
b0
CRCIN
Function
Data input
Address
Symbol
CRCMR
03B6
Bit name
CRC mode polynomial
selection bit
CRC mode mode
selection bit
Symbol
CRCSAR
03B5
Bit name
CRC Snoop address bits
CRC Snoop on
read enable bit
CRC Snoop on
write enable bit
2. CRC Calculation Circuit
Address
03BC
to 03BD
16
16
Values that can be set
0000
to FFFF
16
Address
03BE
16
Values that can be set
00
to FF
16
16
When reset
00
16
16
Function
16
12
5
0 : X
+X
+X
+1 (CRC-CCITT)
16
15
2
1 : X
+X
+X
+1 (CRC-16)
0 : LSB first mode
1 : MSB first mode
Address
When reset
00XXXX?? ????????
, 03B4
16
16
Function
SFR address to snoop (Note)
0 : Disabled
1 : Enabled
0 : Disabled
1 : Enabled
When reset
Indeterminate
R
W
O O
16
When reset
Indeterminate
R
W
O O
R W
O O
_ _
O O
2
R W
O O
_
_
O O
O O
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