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