
Chapter 11 Watchdog Timer (WDT)
11.1 Overview ......................................................................................................... 11-1
11.2 Layout of Watchdog Timer .............................................................................. 11-1
11.3 Operation of Watchdog Timer ......................................................................... 11-2
11.4 Watchdog Timer Control Register (WDTCON) ............................................... 11-3
Chapter 12 A/D Converter (ADC)
12.1 Overview ......................................................................................................... 12-1
12.2 Layout of A/D Converter ................................................................................. 12-1
12.3 Operation of A/D Converter ............................................................................ 12-1
12.3.1 RC Oscillation Circuit ......................................................................... 12-3
12.3.2 Counter A/B Reference Mode ........................................................... 12-6
12.3.3 Example of Usage of A/D Converter ................................................. 12-10
12.3.4 RC Oscillation Monitor ....................................................................... 12-16
12.4 Registers Related to A/D Converter ................................................................ 12-17
Chapter 13 LCD Driver (LCD)
13.1 Overview ......................................................................................................... 13-1
13.2 Layout of LCD Driver ...................................................................................... 13-1
13.3 Operation of LCD Driver ................................................................................. 13-4
13.4 Display Control Register (DSPCON) .............................................................. 13-4
13.5 Display Registers 0 to 30 (DSPR0 to 30) ........................................................ 13-5
13.6 Output Port Selection by Mask Option ............................................................ 13-6
13.7 Bias Generation Circuit for LCD Driver (BIAS) ............................................... 13-7
13.8 LCD Driver Output Waveforms ....................................................................... 13-8
Chapter 14 Constant Voltage Circuit for Logic Power Supply (VR)
14.1 Overview ......................................................................................................... 14-1
14.2 Layout of Constant Voltage Circuit for Logic Power Supply ........................... 14-1
14.3 Operation of Constant Voltage Circuit for Logic Power Supply ...................... 14-2
14.4 Backup Control Register (BUPCON) .............................................................. 14-3
Chapter 15 Test Circuit (TST)
15.1 Overview ......................................................................................................... 15-1
15.2 Operation of Test Circuit ................................................................................. 15-1
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