Datasheet

 2003-2013 Microchip Technology Inc. DS30491D-page 295
PIC18F6585/8585/6680/8680
REGISTER 23-18: RXBnEIDL: RECEIVE BUFFER n EXTENDED IDENTIFIER REGISTERS,
LOW BYTE [0  n  1]
REGISTER 23-19: RXBnDLC: RECEIVE BUFFER n DATA LENGTH CODE REGISTERS [0  n  1]
R-x R-x R-x R-x R-x R-x R-x R-x
EID7 EID6 EID5 EID4 EID3 EID2 EID1 EID0
bit 7 bit 0
bit 7-0 EID7:EID0: Extended Identifier bits
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
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 Unimplemented: Read as ‘0’
bit 6 RXRTR: Receiver Remote Transmission Request bit
1 = Remote transfer request
0 = No remote transfer request
bit 5 RB1: Reserved bit 1
Reserved by CAN Spec and read as ‘0’.
bit 4 RB0: Reserved bit 0
Reserved by CAN Spec and read as ‘0’.
bit 3-0 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 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
18F8680.book Page 295 Tuesday, January 29, 2013 1:32 PM