output from multiple pins function selected) ........................................................................236
2.4.4 Operation of Serial I/O (reception in clock-synchronous serial I/O mode)...........................240
2.4.5 Precautions for Serial I/O (in clock-synchronous serial I/O) ................................................244
2.5 Clock-Asynchronous Serial I/O (UART)......................................................................................246
2.5.1 Overview..............................................................................................................................246
2.5.2 Operation of Serial I/O (transmission in UART mode).........................................................254
2.5.3 Operation of Serial I/O (reception in UART mode) ..............................................................258
2.6 Serial I/O2 ...................................................................................................................................262
2.6.1 Overview..............................................................................................................................262
2.6.2 Serial I/O2 connection examples .........................................................................................267
2.6.3 Serial I/O2 modes ................................................................................................................269
2.6.4 Serial I/O2 Operations (transmission in 8-bit serial I/O mode) ...........................................270
2.6.5 Serial I/O2 Operations (transmission/reception in automatic transfer serial I/O mode)......274
2.6.6 Serial I/O2 Operations (transmission/reception in automatic transfer serial I/O mode, using
handshake signal) ...............................................................................................................278
2.6.7 Precautions for Serial I/O2...................................................................................................282
2.7 FLD (VFD) Controller ..................................................................................................................286
2.7.1 Overview..............................................................................................................................286
2.7.2 FLD operation (FLD automatic display and key-scan using segments) ..............................296
2.7.3 FLD operation (FLD automatic display and key-scan using digits)......................................302
2.7.4 FLD operation (FLD display and key-scan using segment by software) .............................306
2.7.5 FLD operation (Display with digit expander M35501FP) .....................................................312
2.7.6 FLD operation (Display with digit expander M35501FP: column discrepancy) ...................318
2.7.7 Precautions for FLD controller .............................................................................................325
2.8 A-D Converter .............................................................................................................................326
2.8.1 Overview..............................................................................................................................326
2.8.2 Operation of A-D converter (one-shot mode) ......................................................................332
2.8.3 Operation of A-D Converter (in repeat mode)......................................................................334
2.8.4 Operation of A-D Converter (in single sweep mode) ...........................................................336
2.8.5 Operation of A-D Converter (in repeat sweep mode 0) .......................................................338
2.8.6 Operation of A-D Converter (in repeat sweep mode 1) .......................................................340
2.8.7 Precautions for A-D Converter.............................................................................................342
2.8.8 Method of A-D Conversion (10-bit mode) ............................................................................343
2.8.9 Method of A-D Conversion (8-bit mode) ..............................................................................345
2.8.10 Absolute Accuracy and Differential Non-Linearity Error ....................................................347