Microchip Technology MA330019-2 Data Sheet

© 2007-2012 Microchip Technology Inc.

DS70292G-page 251

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.

U-0

U-0

U-0

R/W-x

R/W-x

R/W-x

R/W-x

R/W-x

—

—

—

SID10

SID9

SID8

SID7

SID6

bit 15

bit 8

R/W-x

R/W-x

R/W-x

R/W-x

R/W-x

R/W-x

R/W-x

R/W-x

SID5

SID4

SID3

SID2

SID1

SID0

SRR

IDE

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 15-13

Unimplemented: Read as ‘0’

bit 12-2

SID<10:0>: Standard Identifier bits

bit 1

SRR: Substitute Remote Request bit
1 = Message will request remote transmission 
0 = Normal message

bit 0

IDE: Extended Identifier bit
1 = Message will transmit extended identifier 
0 = Message will transmit standard identifier

U-0

U-0

U-0

U-0

R/W-x

R/W-x

R/W-x

R/W-x

—

—

—

—

EID17

EID16

EID15

EID14

bit 15

bit 8

R/W-x

R/W-x

R/W-x

R/W-x

R/W-x

R/W-x

R/W-x

R/W-x

EID13

EID12

EID11

EID10

EID9

EID8

EID7

EID6

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 15-12

Unimplemented: Read as ‘0’

bit 11-0

EID<17:6>: Extended Identifier bits