PIC18F2480_09 Datasheet, PDF (307/490 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology

PIC18F2480/2580/4480/4580
REGISTER 24-35: BnDLC: TX/RX BUFFER n DATA LENGTH CODE REGISTERS IN TRANSMIT MODE
[0 ≤ n ≤ 5, TXnEN (BSEL<n>) = 1]⁽¹⁾
U-0
—
bit 7
R/W-x
U-0
TXRTR
—
U-0
R/W-x
R/W-x
R/W-x
R/W-x
—
DLC3
DLC2
DLC1
DLC0
bit 0
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
bit 7
bit 6
bit 5-4
bit 3-0
Unimplemented: Read as ‘0’
TXRTR: Transmitter Remote Transmission Request bit
1 = Transmitted message will have RTR bit set
0 = Transmitted message will have RTR bit cleared
Unimplemented: Read as ‘0’
DLC<3:0>: 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 24-36: BSEL0: BUFFER SELECT REGISTER 0⁽¹⁾
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
U-0
B5TXEN
B4TXEN B3TXEN B2TXEN B1TXEN
B0TXEN
—
bit 7
U-0
—
bit 0
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
bit 7-2
bit 1-0
B5TXEN:B0TXEN: Buffer 5 to Buffer 0 Transmit Enable bit
1 = Buffer is configured in Transmit mode
0 = Buffer is configured in Receive mode
Unimplemented: Read as ‘0’
Note 1: These registers are available in Mode 1 and 2 only.
© 2009 Microchip Technology Inc.
DS39637D-page 307