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PIC18F4685-I/SP Datasheet(PDF) 295 Page - Microchip Technology

Part # PIC18F4685-I/SP
Description  28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
PDF  484 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4685-I/SP Datasheet(HTML) 295 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
Preliminary
DS39761B-page 293
PIC18F2682/2685/4682/4685
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
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
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
REGISTER 23-20: RXBnDm: RECEIVE BUFFER n DATA FIELD BYTE m REGISTERS
[0
≤ n ≤ 1, 0 ≤ m ≤ 7]
R-x
R-x
R-x
R-x
R-x
R-x
R-x
R-x
RXBnDm7
RXBnDm6
RXBnDm5
RXBnDm4
RXBnDm3
RXBnDm2
RXBnDm1
RXBnDm0
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 7-0
RXBnDm7:RXBnDm0: Receive Buffer n Data Field Byte m bits (where 0
≤ n < 1 and 0 < m < 7)
Each receive buffer has an array of registers. For example, Receive Buffer 0 has 8 registers: RXB0D0
to RXB0D7.



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