PIC24FJ256DA210 Datasheet, PDF (301/408 Pages) Microchip Technology – 64/100-Pin, 16-Bit Flash Microcontrollers with Graphics Controller and USB On-The-Go (OTG)

PIC24FJ256DA210 FAMILY
REGISTER 21-2: CRCCON2: CRC CONTROL 2 REGISTER
U-0
U-0
U-0
R/W-0
R/W-0
—
—
—
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
—
—
—
PLEN4
PLEN3
PLEN2
PLEN1
PLEN0
bit 7
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-13
bit 12-8
bit 7-5
bit 4-0
Unimplemented: Read as ‘0’
DWIDTH<4:0>: Data Word Width Configuration bits
Configures the width of the data word (data word width – 1).
Unimplemented: Read as ‘0’
PLEN<4:0>: Polynomial Length Configuration bits
Configures the length of the polynomial (polynomial length – 1).
REGISTER 21-3: 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
—
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = 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 ‘0’
 2010 Microchip Technology Inc.
DS39969B-page 301