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PIC18F6585 Datasheet, PDF (306/496 Pages) Microchip Technology – 64/68/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with ECAN Module
PIC18F6585/8585/6680/8680
REGISTER 23-34: BnDLC: TX/RX BUFFER n DATA LENGTH CODE REGISTERS IN RECEIVE MODE
[0 ≤ n ≤ 5, TXnEN (BSEL<n>) = 0](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 = This is a remote transmission request
0 = This is not a remote transmission 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 = Reserved
1110 = Reserved
1101 = Reserved
1100 = Reserved
1011 = Reserved
1010 = Reserved
1001 = Reserved
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
Note 1: These registers are available in Mode 1 and 2 only.
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
DS30491C-page 304
 2004 Microchip Technology Inc.