Microchip Technology dsPIC30F - Page 632

dsPIC30F Family Reference Manual
DS70070B-page 23-34 © 2004 Microchip Technology Inc.
Figure 23-5: Remote Data Frame
Identifier
Message Filtering
Stored in Buffers
Data Length Code
Reserved Bits
Bit-Stuffing
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
INT Suspend
Transmit
bus Idle
Any Frame
Inter-Frame Space
Start-Of-Frame
Data Frame or Remote Frame
3
8
0 1 0 0 1 1 1 1 1 1 1 1 1
Start-Of-Frame
Remote Frame (number of bits = 44)
12
Arbitration Field
ID 10
11
ID0
RTR
IDE
RB0
DLC3
DLC0
6
4
Control Field
16
CRC Field
15
CRC
7
End-Of- Frame
CRC Del
Acknowledgment
ACK Del
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
INT Suspend
Transmit
bus Idle
Any Frame
Inter-Frame Space
Start-Of-Frame
Data Frame or Remote Frame
3
8