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| MC9S12HZ256 Datasheet, PDF (360/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers | |||
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Chapter 12 Freescaleâs Scalable Controller Area Network (MSCANV2)
Register
Name
R
IDR0
W
R
IDR1
W
R
IDR2
W
R
IDR3
W
R
DSR0
W
R
DSR1
W
R
DSR2
W
R
DSR3
W
R
DSR4
W
R
DSR5
W
R
DSR6
W
R
DSR7
W
R
DLR
W
Bit 7
ID28
ID20
ID14
ID6
DB7
DB7
DB7
DB7
DB7
DB7
DB7
DB7
6
ID27
ID19
ID13
ID5
DB6
DB6
DB6
DB6
DB6
DB6
DB6
DB6
5
ID26
4
ID25
3
ID24
2
ID23
1
ID22
Bit0
ID21
ID18
SRR (=1) IDE (=1)
ID17
ID16
ID15
ID12
ID11
ID10
ID9
ID8
ID7
ID4
ID3
ID2
ID1
ID0
RTR
DB5
DB4
DB3
DB2
DB1
DB0
DB5
DB4
DB3
DB2
DB1
DB0
DB5
DB4
DB3
DB2
DB1
DB0
DB5
DB4
DB3
DB2
DB1
DB0
DB5
DB4
DB3
DB2
DB1
DB0
DB5
DB4
DB3
DB2
DB1
DB0
DB5
DB4
DB3
DB2
DB1
DB0
DB5
DB4
DB3
DB2
DB1
DB0
DLC3
DLC2
DLC1
DLC0
= Unused, always read âxâ
Figure 12-21. Receive/Transmit Message Buffer â Extended Identiï¬er Mapping
Read: For transmit buffers, anytime when TXEx ï¬ag is set (see Section 12.3.2.7, âMSCAN Transmitter
Flag Register (CANTFLG)â) and the corresponding transmit buffer is selected in CANTBSEL (see
Section 12.3.2.11, âMSCAN Transmit Buffer Selection Register (CANTBSEL)â). For receive buffers,
only when RXF ï¬ag is set (see Section 12.3.2.5, âMSCAN Receiver Flag Register (CANRFLG)â).
MC9S12HZ256 Data Sheet, Rev. 2.04
360
Freescale Semiconductor
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