PIC18F2682/2685/4682/4685
DS39761C-page 304
2009 Microchip Technology Inc.
REGISTER 23-35: BnDLC: TX/RX BUFFER n DATA LENGTH CODE REGISTERS IN TRANSMIT MODE
[0
≤ n ≤ 5, TXnEN (BSEL<n>) = 1](1)
U-0
R/W-x
U-0
R/W-x
—TXRTR
DLC3
DLC2
DLC1
DLC0
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 7
Unimplemented: Read as ‘0’
bit 6
TXRTR: Transmitter Remote Transmission Request bit
1 = Transmitted message will have RTR bit set
0 = Transmitted message will have RTR bit cleared
bit 5-4
Unimplemented: Read as ‘0’
bit 3-0
DLC3:DLC0: Data Length Code bits
1111-1001 = 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.
REGISTER 23-36: BSEL0: BUFFER SELECT REGISTER 0(1)
R/W-0
U-0
B5TXEN
B4TXEN
B3TXEN
B2TXEN
B1TXEN
B0TXEN
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 7-2
B5TXEN:B0TXEN: Buffer 5 to Buffer 0 Transmit Enable bit
1 = Buffer is configured in Transmit mode
0 = Buffer is configured in Receive mode
bit 1-0
Unimplemented: Read as ‘0’
Note 1:
These registers are available in Mode 1 and 2 only.
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