mcf51ac256a Freescale Semiconductor, Inc, mcf51ac256a Datasheet - Page 339

• Manufacturer Part Number: mcf51ac256a
• Description: Mcf51ac Flexis
• Manufacturer: Freescale Semiconductor, Inc

1
2
Read: For transmit buffers, anytime when TXEx flag is set (see
Register
Section 15.3.10, “MSCAN Transmit Buffer Selection Register
when RXF flag is set (see
Freescale Semiconductor
SRR and IDE are both 1s.
The position of RTR differs between extended and standard identifier mapping.
Register
Name
DSR0
DSR1
DSR2
DSR3
DSR4
DSR5
DSR6
DSR7
IDR0
IDR1
IDR2
IDR3
DLR
(CANTFLG)”) and the corresponding transmit buffer is selected in CANTBSEL (see
Figure 15-22. Receive/Transmit Message Buffer — Extended Identifier Mapping
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
MCF51AC256 ColdFire Integrated Microcontroller Reference Manual, Rev. 5
Bit 7
ID28
ID20
ID14
DB7
DB7
DB7
DB7
DB7
DB7
DB7
DB7
ID6
Section 15.3.4.1, “MSCAN Receiver Flag Register
= Unused, always read ‘x’
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
SRR
ID25
ID11
DB4
DB4
DB4
DB4
DB4
DB4
DB4
DB4
ID3
4
(1)
Section 15.3.6, “MSCAN Transmitter Flag
(CANTBSEL)”). For receive buffers, only
IDE
DLC3
ID10
ID24
DB3
DB3
DB3
DB3
DB3
DB3
DB3
DB3
ID2
3
Freescale’s Controller Area Network (MSCANV1)
(1)
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
RTR
ID21
ID15
Bit0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
ID7
15-23
2