PIC18F6585 Datasheet, PDF (297/496 Pages) Microchip Technology – 64/68/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with ECAN Module

PIC18F6585/8585/6680/8680
REGISTER 23-18: RXBnEIDL: RECEIVE BUFFER n EXTENDED IDENTIFIER REGISTERS,
LOW BYTE [0 ≤ n ≤ 1]
R-x
R-x
R-x
R-x
R-x
R-x
R-x
EID7
EID6
EID5
EID4
EID3
EID2
EID1
bit 7
R-x
EID0
bit 0
bit 7-0
EID7:EID0: Extended Identifier bits
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
REGISTER 23-19: RXBnDLC: RECEIVE BUFFER n DATA LENGTH CODE REGISTERS [0 ≤ n ≤ 1]
U-0
R-x
R-x
R-x
R-x
R-x
R-x
R-x
—
RXRTR RB1
RB0
DLC3
DLC2
DLC1
DLC0
bit 7
bit 0
bit 7
bit 6
bit 5
bit 4
bit 3-0
Unimplemented: Read as ‘0’
RXRTR: Receiver Remote Transmission Request bit
1 = Remote transfer request
0 = No remote transfer request
RB1: Reserved bit 1
Reserved by CAN Spec and read as ‘0’.
RB0: Reserved bit 0
Reserved by CAN Spec and read as ‘0’.
DLC3:DLC0: Data Length Code bits
1111 = Invalid
1110 = Invalid
1101 = Invalid
1100 = Invalid
1011 = Invalid
1010 = Invalid
1001 = Invalid
1000 = Data length = 8 bytes
0111 = Data length = 7 bytes
0110 = Data length = 6 bytes
0101 = Data length = 5 bytes
0100 = Data length = 4 bytes
0011 = Data length = 3 bytes
0010 = Data length = 2 bytes
0001 = Data length = 1 bytes
0000 = Data length = 0 bytes
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
 2004 Microchip Technology Inc.
DS30491C-page 295