70353C Datasheet, PDF (30/76 Pages) Microchip Technology – Section 21. Enhanced Controller Area Network

dsPIC33E/PIC24E Family Reference Manual
Buffer 21-3:
R/W-x
bit 15
(
ECAN Message Buffer Word 2
R/W-x
R/W-x
R/W-x
EID<5:0>
R/W-x
R/W-x
R/W-x
RTR
R/W-x
RB1
bit 8
U-x
—
bit 7
U-x
U-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
—
—
RB0
DLC<3:0>
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 15-10
bit 9
bit 8
bit 7-5
bit 4
bit 3-0
EID<5:0>: Extended Identifier bits
RTR: Remote Transmission Request bit
When IDE = 1:
1 = In case of Transmission, this will cause a Remote Frame to be transmitted. In case of Received
message, indicates a remote frame was received.
0 = Normal message
When IDE = 0:
The RTR bit is ignored.
RB1: Reserved Bit 1
User application must set this bit to ‘0’ per CAN Specification.
Unimplemented: Read as ‘0’
RB0: Reserved Bit 0
User application must set this bit to ‘0’ per CAN Specification.
DLC<3:0>: Data Length Code bits
Buffer 21-4:
R/W-x
bit 15
ECAN Message Buffer Word 3
R/W-x
R/W-x
R/W-x
R/W-x
Byte 1
R/W-x
R/W-x
R/W-x
bit 8
R/W-x
bit 7
R/W-x
R/W-x
R/W-x
R/W-x
Byte 0
R/W-x
R/W-x
R/W-x
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 15-8
bit 7-0
ECAN Message byte 1
ECAN Message byte 0
DS70353C-page 21-30
© 2008-2011 Microchip Technology Inc.