|
PIC24FV32KA304-I Datasheet, PDF (207/320 Pages) Microchip Technology – 20/28/44/48-Pin, General Purpose, 16-Bit Flash Microcontrollers with XLP Technology | |||
|
◁ |
PIC24FV32KA304 FAMILY
REGISTER 20-2: CRCCON2: CRC CONTROL REGISTER 2
U-0
U-0
U-0
R/W-0
R/W-0
â
â
â
DWIDTH4 DWIDTH3
bit 15
R/W-0
DWIDTH2
R/W-0
DWIDTH1
R/W-0
DWIDTH0
bit 8
U-0
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
â
â
â
PLEN4
PLEN3
PLEN2
PLEN1
PLEN0
bit 7
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
â1â = Bit is set
U = Unimplemented bit, read as â0â
â0â = Bit is cleared
x = Bit is unknown
bit 15-13
bit 12-8
bit 7-5
bit 4-0
Unimplemented: Read as â0â
DWIDTH<4:0>: Data Width Select bits
Defines the width of the data word (Data Word Width = (DWIDTH<4:0>) + 1).
Unimplemented: Read as â0â
PLEN<4:0>: Polynomial Length Select bits
Defines the length of the CRC polynomial (Polynomial Length = (PLEN<4:0>) + 1).
REGISTER 20-3: CRCXORL: CRC XOR POLYNOMIAL REGISTER, LOW BYTE
R/W-0
X15
bit 15
R/W-0
X14
R/W-0
X13
R/W-0
X12
R/W-0
X11
R/W-0
X10
R/W-0
X9
R/W-0
X8
bit 8
R/W-0
X7
bit 7
R/W-0
X6
R/W-0
X5
R/W-0
X4
R/W-0
X3
R/W-0
X2
R/W-0
X1
U-0
â
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
â1â = Bit is set
U = Unimplemented bit, read as â0â
â0â = Bit is cleared
x = Bit is unknown
bit 15-1
bit 0
X<15:1>: XOR of Polynomial Term Xn Enable bits
Unimplemented: Read as â0â
ï£ 2011 Microchip Technology Inc.
DS39995B-page 207
|
▷ |