
CAN PROTOCOL
Rev. 3
MOTOROLA
ix
TABLE OF CONTENTS
Paragraph
Number
Page
Number
TABLE OF CONTENTS
C.4
C.5
C.5.1
C.5.2
C.6
C.7
C.7.1
C.7.2
C.7.3
C.7.4
C.7.5
C.8
C.9
C.10
C.11
C.11.1
C.11.2
C.11.3
C.11.4
C.11.5
C.12
C.12.1
C.12.2
C.12.3
C.12.4
C.12.5
C.12.6
C.12.7
C.12.8
C.12.9
C.12.10
C.12.11
C.12.12
C.12.13
C.12.14
Identifier acceptance Filter ....................................................................................C-8
Interrupts ...............................................................................................................C-11
Interrupt Acknowledge.....................................................................................C-11
Interrupt Vectors...............................................................................................C-12
Protocol Violation Protection..................................................................................C-12
Low Power Modes .................................................................................................C-13
MSCAN08 Internal Sleep Mode.......................................................................C-13
MSCAN08 Soft Reset Mode............................................................................C-15
MSCAN08 Power Down Mode.........................................................................C-15
CPU Wait Mode ...............................................................................................C-15
Programmable Wake-Up Function...................................................................C-15
Timer Link..............................................................................................................C-16
Clock System.........................................................................................................C-16
Memory Map .........................................................................................................C-19
Programmer’s Model of message storage.............................................................C-20
Message Buffer Outline ...................................................................................C-20
Identifier Registers (IDRn) ...............................................................................C-21
Data Length Register (DLR) ............................................................................C-22
Data Segment Registers (DSRn).....................................................................C-23
Transmit Buffer Priority Registers (TBPR) .......................................................C-23
Programmer’s Model of Control Registers.............................................................C-24
Overview..........................................................................................................C-24
MSCAN08 Module Control Register (CMCR0)................................................C-25
MSCAN08 Module Control Register (CMCR1)................................................C-26
MSCAN08 Bus Timing Register 0 (CBTR0) ....................................................C-27
MSCAN08 Bus Timing Register 1 (CBTR1) ....................................................C-28
MSCAN08 Receiver Flag Register (CRFLG)...................................................C-29
MSCAN08 Receiver Interrupt Enable Register (CRIER).................................C-31
MSCAN08 Transmitter Flag Register (CTFLG)................................................C-33
MSCAN08 Transmitter Control Register (CTCR).............................................C-34
MSCAN08 Identifier Acceptance Control Register (CIDAC)............................C-35
MSCAN08 Receive Error Counter (CRXERR).................................................C-36
MSCAN08 Transmit Error Counter (CTXERR).................................................C-36
MSCAN08 Identifier Acceptance Registers (CIDAR0-3) .................................C-37
MSCAN08 Identifier Mask Registers (CIDMR0-3)...........................................C-38
D
THE MOTOROLA SCALEABLE CAN (MSCAN12) MODULE
D.1
D.2
D.3
D.3.1
D.3.2
D.3.3
Features ................................................................................................................D-1
External Pins .........................................................................................................D-2
Message Storage ..................................................................................................D-4
Background......................................................................................................D-4
Receive Structures ..........................................................................................D-5
Transmit Structures..........................................................................................D-7
F
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Freescale Semiconductor, Inc.
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