Microchip Technology MA330027 Data Sheet

Page of 622
 2009-2012 Microchip Technology Inc.
DS70616G-page 465
dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
REGISTER 27-3:
CRCXORH: CRC XOR POLYNOMIAL HIGH REGISTER    
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
X<31:24>
bit 15
bit 8
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
X<23:16>
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-0
X<31:16>: XOR of Polynomial Term X
n
 Enable bits
REGISTER 27-4:
CRCXORL: CRC XOR POLYNOMIAL LOW REGISTER    
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
X<15:8>
bit 15
bit 8
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
U-0
X<7:1>
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-1
X<15:1>: XOR of Polynomial Term X
n
 Enable bits
bit 0
Unimplemented: Read as ‘0’