70291E Datasheet, PDF (269/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
21.4 ECAN Message Buffers
ECAN Message Buffers are part of DMA RAM Memory.
They are not ECAN special function registers. The user
application must directly write into the DMA RAM area
that is configured for ECAN Message Buffers. The
location and size of the buffer area is defined by the
user application.
BUFFER 21-1:
U-0
—
bit 15
ECAN™ MESSAGE BUFFER WORD 0
U-0
U-0
R/W-x
R/W-x
—
—
SID10
SID9
R/W-x
SID8
R/W-x
SID7
R/W-x
SID6
bit 8
R/W-x
SID5
bit 7
R/W-x
SID4
R/W-x
SID3
R/W-x
SID2
R/W-x
SID1
R/W-x
SID0
R/W-x
SRR
R/W-x
IDE
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 15-13
bit 12-2
bit 1
bit 0
Unimplemented: Read as ‘0’
SID<10:0>: Standard Identifier bits
SRR: Substitute Remote Request bit
1 = Message will request remote transmission
0 = Normal message
IDE: Extended Identifier bit
1 = Message will transmit extended identifier
0 = Message will transmit standard identifier
BUFFER 21-2:
U-0
—
bit 15
ECAN™ MESSAGE BUFFER WORD 1
U-0
U-0
U-0
R/W-x
—
—
—
EID17
R/W-x
EID16
R/W-x
EID15
R/W-x
EID14
bit 8
R/W-x
EID13
bit 7
R/W-x
EID12
R/W-x
EID11
R/W-x
EID10
R/W-x
EID9
R/W-x
EID8
R/W-x
EID7
R/W-x
EID6
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 15-12
bit 11-0
Unimplemented: Read as ‘0’
EID<17:6>: Extended Identifier bits
© 2011 Microchip Technology Inc.
DS70291E-page 269