Intel 87C196CB User Manual
iii
CONTENTS
CHAPTER 1
GUIDE TO THIS MANUAL
1.1
MANUAL CONTENTS ................................................................................................... 1-1
1.2
RELATED DOCUMENTS .............................................................................................. 1-2
CHAPTER 2
ARCHITECTURAL OVERVIEW
2.1
DEVICE FEATURES ..................................................................................................... 2-1
2.2
BLOCK DIAGRAM ......................................................................................................... 2-2
2.3
INTERNAL TIMING........................................................................................................ 2-2
CHAPTER 3
MEMORY PARTITIONS
3.1
MEMORY MAP, SPECIAL-FUNCTION REGISTERS, AND WINDOWING .................. 3-1
CHAPTER 4
STANDARD AND PTS INTERRUPTS
4.1
INTERRUPT SOURCES, VECTORS, AND PRIORITIES ............................................. 4-1
CHAPTER 5
I/O PORTS
5.1
PORT 0 AND EPORT .................................................................................................... 5-1
CHAPTER 6
ANALOG-TO-DIGITAL (A/D) CONVERTER
6.1
ADDITIONAL A/D INPUT CHANNELS .......................................................................... 6-1
CHAPTER 7
CAN SERIAL COMMUNICATIONS CONTROLLER
7.1
CAN FUNCTIONAL OVERVIEW ................................................................................... 7-1
7.2
CAN CONTROLLER SIGNALS AND REGISTERS....................................................... 7-3
7.3
CAN CONTROLLER OPERATION................................................................................ 7-4
7.3.1
Address Map .............................................................................................................7-5
7.3.2
Message Objects ......................................................................................................7-5
7.3.2.1
Receive and Transmit Priorities ...........................................................................7-6
7.3.2.2
Message Acceptance Filtering .............................................................................7-6
7.3.3
Message Frames ......................................................................................................7-7
7.3.4
Error Detection and Management Logic ...................................................................7-9
7.3.5
Bit Timing ................................................................................................................7-10
7.3.5.1
Bit Timing Equations ..........................................................................................7-12
7.4
CONFIGURING THE CAN CONTROLLER ................................................................. 7-13
7.4.1
Programming the CAN Control (CAN_CON) Register ............................................7-13
7.4.2
Programming the Bit Timing 0 (CAN_BTIME0) Register ........................................7-15
7.4.3
Programming the Bit Timing 1 (CAN_BTIME1) Register ........................................7-16