Datasheet

MCP2515
DS21801E-page 10 © 2007 Microchip Technology Inc.
FIGURE 2-2: EXTENDED DATA FRAME
0 1 1 0 0 0 1
Start-Of-Frame
Arbitration Field
32
11
ID10
ID3
ID0
IDE
Identifier
Message Filtering
Stored in Buffers
SRR
EID17
EID0
RTR
RB1
RB0
DLC3
18
DLC0
6
Control Field
4
Reserved bits
Data Length Code
Stored in Transmit/Receive Buffers
8 8
Data Frame (number of bits = 64 + 8N)
8N (0 ≤ N ≤ 8) Data Field
1 1 1 1 1 1 1 1
16
CRC Field
15
CRC
CRC Del
Ack Slot Bit
ACK Del
End-of- Frame
7
Bit-stuffing
IFS
Extended Identifier
1 1 1