PIC24FJ64GA104 FAMILY
REGISTER 20-2: CRCCON2: CRC CONTROL REGISTER 2
U-0
—
U-0
—
U-0
—
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
DWIDTH4
DWIDTH3
DWIDTH2
DWIDTH1
DWIDTH0
bit 15
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
Unimplemented: Read as ‘0’
DWIDTH<4:0>: Data Width Select bits
Defines the width of the data word (Data Word Width = (DWIDTH<4:0>) + 1).
Unimplemented: Read as ‘0’
bit 7-5
bit 4-0
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
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 15
bit 8
R/W-0
X7
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 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 15-1
bit 0
X<15:1>: XOR of Polynomial Term Xn Enable bits
Unimplemented: Read as ‘0’
2010 Microchip Technology Inc.
DS39951C-page 217
MICROCHIP [ MICROCHIP ]
