
13
μPD780948, μPD78F0948, μPD780949, μPD78F0949
18.2
Function .............................................................................................................................
18.2.1 Bus priority decision..............................................................................................
18.2.2 Bit stuffing ..............................................................................................................
18.2.3 Multi master ............................................................................................................
18.2.4 Multi cast .................................................................................................................
18.2.5 Sleep mode/Stop function .....................................................................................
18.2.6 Error control function.............................................................................................
18.2.7 Baud rate control function .....................................................................................
18.2.8 State shift chart ......................................................................................................
Outline Description............................................................................................................
Connection with target system.........................................................................................
CAN Module Configuration ...............................................................................................
Operation............................................................................................................................
18.6.1 Special function register for CAN-module............................................................
Message and Buffer Configuation ...................................................................................
Transmit Buffer Structure.................................................................................................
Transmit Message .............................................................................................................
18.10 Transmit Structure ............................................................................................................
18.11 Receive Message...............................................................................................................
18.12 Mask Function ...................................................................................................................
18.13 CAN ....................................................................................................................................
18.13.1 Status register .......................................................................................................
18.13.2 CAN error status register .....................................................................................
18.14 Baudrate Generation.........................................................................................................
18.15 Function Control ...............................................................................................................
18.15.1 Transmit control ...................................................................................................
18.15.2 Receive control ....................................................................................................
18.15.3 Mask control .........................................................................................................
18.15.4 Special functions .................................................................................................
18.16 Interrupt Information.........................................................................................................
18.16.1 Interrupt vectors...................................................................................................
18.16.2 Transmit interrupt ................................................................................................
18.16.3 Receive interrupt..................................................................................................
18.16.4 Error interrupt.......................................................................................................
18.17 Standby Function ..............................................................................................................
18.17.1 CPU halt mode .....................................................................................................
18.17.2 CPU stop mode ....................................................................................................
18.17.3 DCAN sleep mode ................................................................................................
18.17.4 DCAN stop mode .................................................................................................
18.18 Functional Description by Flowcharts.............................................................................
18.18.1 Initialization ..........................................................................................................
18.18.2 Prepare transmit...................................................................................................
18.18.3 Abort transmit ......................................................................................................
18.18.4 Handling by the DCAN .........................................................................................
18.18.5 Receive event oriented ........................................................................................
18.18.6 Receive task oriented ..........................................................................................
271
271
271
271
271
271
272
275
278
281
281
282
283
283
284
285
286
290
291
297
301
301
304
310
315
315
317
318
320
322
322
322
322
322
323
323
323
323
323
324
324
325
326
327
328
329
18.3
18.4
18.5
18.6
18.7
18.8
18.9