m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 259

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

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