22
CHAPTER 18 SERIAL INTERFACE CHANNEL 1 ............................................................................
18.1 Serial Interface Channel 1 Functions..............................................................................
18.2 Serial Interface Channel 1 Configuration .......................................................................
18.3 Serial Interface Channel 1 Control Registers.................................................................
18.4 Serial Interface Channel 1 Operations ............................................................................
18.4.1
Operation stop mode ...........................................................................................................
18.4.2
3-wire serial I/O mode operation .........................................................................................
18.4.3
3-wire serial I/O mode operation with automatic transmit/receive function .........................
393
393
394
397
405
405
406
409
CHAPTER 19 SERIAL INTERFACE CHANNEL 2 ............................................................................
19.1 Serial Interface Channel 2 Functions..............................................................................
19.2 Serial Interface Channel 2 Configuration .......................................................................
19.3 Serial Interface Channel 2 Control Registers.................................................................
19.4 Serial Interface Channel 2 Operation ..............................................................................
19.4.1
Operation stop mode ...........................................................................................................
19.4.2
Asynchronous serial interface (UART) mode ......................................................................
19.4.3
3-wire serial I/O mode .........................................................................................................
19.4.4
Limitations when UART mode is used .................................................................................
439
439
440
444
452
452
454
467
474
CHAPTER 20 REAL-TIME OUTPUT PORT ......................................................................................
20.1 Real-Time Output Port Functions....................................................................................
20.2 Real-Time Output Port Configuration .............................................................................
20.3 Real-Time Output Port Control Registers.......................................................................
477
477
478
480
CHAPTER 21 INTERRUPT AND TEST FUNCTIONS .......................................................................
21.1 Interrupt Function Types..................................................................................................
21.2 Interrupt Sources and Configuration ..............................................................................
21.3 Interrupt Function Control Registers..............................................................................
21.4 Interrupt Servicing Operations ........................................................................................
21.4.1
Non-maskable interrupt request acknowledge operation ....................................................
21.4.2
Maskable interrupt request acknowledge operation ............................................................
21.4.3
Software interrupt request acknowledge operation .............................................................
21.4.4
Multiple interrupt servicing ...................................................................................................
21.4.5
Interrupt request reserve .....................................................................................................
21.5 Test Functions...................................................................................................................
21.5.1
Registers controlling the test function..................................................................................
21.5.2
Test input signal acknowledge operation .............................................................................
483
483
484
488
497
497
500
503
503
506
507
507
509
CHAPTER 22 EXTERNAL DEVICE EXPANSION FUNCTION .........................................................
22.1 External Device Expansion Functions............................................................................
22.2 External Device Expansion Function Control Register.................................................
22.3 External Device Expansion Function Timing .................................................................
22.4 Example of Connection with Memory .............................................................................
511
511
516
518
523
CHAPTER 23 STANDBY FUNCTION................................................................................................
23.1 Standby Function and Configuration..............................................................................
23.1.1
Standby function ..................................................................................................................
23.1.2
Standby function control register .........................................................................................
525
525
525
526