MC9S12Q FREESCALE [Freescale Semiconductor, Inc], MC9S12Q Datasheet - Page 315

• Manufacturer Part Number: MC9S12Q
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Read: For transmit buffers, anytime when TXEx flag is set (see
Flag Register
Section 10.3.2.11, “MSCAN Transmit Buffer Selection Register
only when RXF flag is set (see
Freescale Semiconductor
Register
0x00XC
0x00XA
0x00XB
0x00X0
0x00X1
0x00X2
0x00X3
0x00X4
0x00X5
0x00X6
0x00X7
0x00X8
0x00X9
Name
DSR0
DSR1
DSR2
DSR3
DSR4
DSR5
DSR6
DSR7
IDR0
IDR1
IDR2
IDR3
DLR
Figure 10-23. Receive/Transmit Message Buffer — Extended Identifier Mapping
(CANTFLG)”) and the corresponding transmit buffer is selected in CANTBSEL (see
W
W
W
W
W
W
W
W
W
W
W
W
W
R
R
R
R
R
R
R
R
R
R
R
R
R
Bit 7
ID28
ID20
ID14
DB7
DB7
DB7
DB7
DB7
DB7
DB7
DB7
ID6
= Unused, always read ‘x’
Section 10.3.2.5, “MSCAN Receiver Flag Register
ID27
ID19
ID13
DB6
DB6
DB6
DB6
DB6
DB6
DB6
DB6
ID5
6
ID26
ID18
ID12
DB5
DB5
DB5
DB5
DB5
DB5
DB5
DB5
ID4
5
MC9S12Q128
Chapter 10 Freescale’s Scalable Controller Area Network (S12MSCANV2)
Rev 1.09
SRR (=1)
ID25
ID11
DB4
DB4
DB4
DB4
DB4
DB4
DB4
DB4
ID3
4
IDE (=1)
Section 10.3.2.7, “MSCAN Transmitter
DLC3
ID24
ID10
DB3
DB3
DB3
DB3
DB3
DB3
DB3
DB3
(CANTBSEL)”). For receive buffers,
ID2
3
DLC2
ID23
ID17
DB2
DB2
DB2
DB2
DB2
DB2
DB2
DB2
ID9
ID1
2
(CANRFLG)”).
DLC1
ID22
ID16
DB1
DB1
DB1
DB1
DB1
DB1
DB1
DB1
ID8
ID0
1
DLC0
ID21
ID15
RTR
Bit0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
ID7
315