Datasheet

Chapter 10 Freescale’s Scalable Controller Area Network (S12MSCANV3)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor 449
IDR1
R
ID20 ID19 ID18 SRR (=1) IDE (=1) ID17 ID16 ID15
W
IDR2
R
ID14 ID13 ID12 ID11 ID10 ID9 ID8 ID7
W
IDR3
R
ID6 ID5 ID4 ID3 ID2 ID1 ID0 RTR
W
DSR0
R
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
W
DSR1
R
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
W
DSR2
R
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
W
DSR3
R
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
W
DSR4
R
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
W
DSR5
R
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
W
DSR6
R
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
W
DSR7
R
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
W
DLR
R
DLC3 DLC2 DLC1 DLC0
W
= Unused, always read ‘x’
Figure 10-24. Receive/Transmit Message Buffer — Extended Identifier Mapping
Register
Name
Bit 7 654321Bit0