
MOTOROLA
x
CAN PROTOCOL
Rev. 3
TABLE OF CONTENTS
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Paragraph
Number
Page
Number
TABLE OF CONTENTS
D.4
D.5
D.5.1
D.5.2
D.6
D.7
D.7.1
D.7.2
D.7.3
D.7.4
D.8
D.9
D.10
D.11
D.11.1
D.11.2
D.11.3
D.11.4
D.11.5
D.12
D.12.1
D.12.2
D.12.3
D.12.4
D.12.5
D.12.6
D.12.7
D.12.8
D.12.9
D.12.10
D.12.11
D.12.12
D.12.13
D.12.14
D.12.15
D.12.16
D.12.17
Identifier Acceptance Filter....................................................................................D-8
Interrupts...............................................................................................................D-11
Interrupt Acknowledge.....................................................................................D-11
Interrupt Vectors ..............................................................................................D-12
Protocol Violation Protection .................................................................................D-12
Low Power Modes.................................................................................................D-13
MSCAN12 Sleep Mode ...................................................................................D-14
MSCAN12 Soft Reset Mode............................................................................D-15
MSCAN12 Power Down Mode.........................................................................D-15
Programmable Wake-Up Function...................................................................D-15
Timer Link..............................................................................................................D-16
Clock System ........................................................................................................D-16
Memory Map .........................................................................................................D-19
Programmer’s Model of Message Storage............................................................D-20
Message Buffer Outline...................................................................................D-20
Identifier Registers (IDRn)...............................................................................D-22
Data Length Register (DLR)............................................................................D-23
Data Segment Registers (DSRn) ....................................................................D-23
Transmit Buffer Priority Registers (TBPR).......................................................D-24
Programmer’s Model of Control Registers ............................................................D-24
Overview..........................................................................................................D-24
MSCAN12 Module Control Register 0 (CMCR0).............................................D-26
MSCAN12 Module Control Register 1 (CMCR1).............................................D-27
MSCAN12 Bus Timing Register 0 (CBTR0) ....................................................D-28
MSCAN12 Bus Timing Register 1 (CBTR1) ....................................................D-29
MSCAN12 Receiver Flag Register (CRFLG)...................................................D-31
MSCAN12 Receiver Interrupt Enable Register (CRIER).................................D-33
MSCAN12 Transmitter Flag Register (CTFLG)................................................D-34
MSCAN12 Transmitter Control Register (CTCR).............................................D-35
MSCAN12 Identifier Acceptance Control Register (CIDAC)............................D-36
MSCAN12 Receive Error Counter (CRXERR) ................................................D-37
MSCAN12 Transmit Error Counter (CTXERR) ................................................D-37
MSCAN12 Identifier Acceptance Registers (CIDAR0-7) .................................D-37
MSCAN12 Identifier Mask Registers (CIDMR0-7)...........................................D-38
MSCAN12 Port CAN Control Register (PCTLCAN) ........................................D-39
MSCAN12 Port CAN Data Register (PORTCAN)............................................D-40
MSCAN12 Port CAN Data Direction Register (DDRCAN)...............................D-40
GLOSSARY
INDEX
F
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Freescale Semiconductor, Inc.