Intel 8XC196K Series User Manual page 10

11.6.1.1 Minimizing the Effect of High Input Source Resistance ....................................11-12
11.6.1.2 Suggested A/D Input Circuit .............................................................................11-13
11.6.1.3 Analog Ground and Reference Voltages .........................................................11-13
11.6.1.4 Using Mixed Analog and Digital Inputs ............................................................11-14
11.6.2 Understanding A/D Conversion Errors ..................................................................11-14
CHAPTER 12
CAN SERIAL COMMUNICATIONS CONTROLLER
12.1 CAN FUNCTIONAL OVERVIEW ................................................................................. 12-1
12.2 CAN CONTROLLER SIGNALS AND REGISTERS..................................................... 12-3
12.3 CAN CONTROLLER OPERATION.............................................................................. 12-4
12.3.1 Address Map ...........................................................................................................12-5
12.3.2 Message Objects ....................................................................................................12-5
12.3.2.1 Receive and Transmit Priorities .........................................................................12-6
12.3.2.2 Message Acceptance Filtering ...........................................................................12-6
12.3.3 Message Frames ....................................................................................................12-7
12.3.4 Error Detection and Management Logic .................................................................12-9
12.3.5 Bit Timing ..............................................................................................................12-10
12.3.5.1 Bit Timing Equations ........................................................................................12-12
12.4 CONFIGURING THE CAN CONTROLLER ............................................................... 12-13
12.4.1 Programming the CAN Control (CAN_CON) Register ..........................................12-13
12.4.2 Programming the Bit Timing 0 (CAN_BTIME0) Register ......................................12-15
12.4.3 Programming the Bit Timing 1 (CAN_BTIME1) Register ......................................12-16
12.4.4 Programming a Message Acceptance Filter .........................................................12-18
12.5 CONFIGURING MESSAGE OBJECTS ..................................................................... 12-20
12.5.1 Specifying a Message Object's Configuration .......................................................12-21
12.5.2 Programming the Message Object Identifier .........................................................12-22
12.5.3 Programming the Message Object Control Registers ...........................................12-23
12.5.3.1 Message Object Control Register 0 .................................................................12-23
12.5.3.2 Message Object Control Register 1 .................................................................12-23
12.5.4 Programming the Message Object Data ...............................................................12-23
12.6 ENABLING THE CAN INTERRUPTS ........................................................................ 12-29
12.7 DETERMINING THE CAN CONTROLLER'S INTERRUPT STATUS ....................... 12-32
12.8 FLOW DIAGRAMS .................................................................................................... 12-35
12.9 DESIGN CONSIDERATIONS.................................................................................... 12-41
12.9.1 Hardware Reset ....................................................................................................12-41
12.9.2 Software Initialization ............................................................................................12-41
12.9.3 Bus-off State .........................................................................................................12-41
CHAPTER 13
MINIMUM HARDWARE CONSIDERATIONS
13.1 MINIMUM CONNECTIONS ......................................................................................... 13-1
13.1.1 Unused Inputs .........................................................................................................13-2
13.1.2 I/O Port Pin Connections ........................................................................................13-2
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