User’s Manual U16899EJ2V0UD
12
9.5 Cautions for Watch Timer ....................................................................................................... 230
CHAPTER 10 WATCHDOG TIMER ..................................................................................................... 231
10.1 Functions of Watchdog Timer ................................................................................................ 231
10.2 Configuration of Watchdog Timer .......................................................................................... 233
10.3 Registers Controlling Watchdog Timer ................................................................................. 234
10.4 Operation of Watchdog Timer................................................................................................. 237
10.4.1 Watchdog timer operation when “Ring-OSC cannot be stopped” is selected by option byte ........237
10.4.2 Watchdog timer operation when “Ring-OSC can be stopped
by software” is selected by option byte .........................................................................................238
10.4.3 Watchdog timer operation in STOP mode (when “Ring-OSC can be stopped
by software” is selected by option byte) ........................................................................................239
10.4.4 Watchdog timer operation in HALT mode (when “Ring-OSC can be stopped
by software” is selected by option byte) ........................................................................................241
CHAPTER 11 CLOCK OUTPUT/BUZZER OUTPUT CONTROLLER............................................... 242
11.1 Functions of Clock Output/Buzzer Output Controller .......................................................... 242
11.2 Configuration of Clock Output/Buzzer Output Controller ................................................... 243
11.3 Register Controlling Clock Output/Buzzer Output Controller ............................................. 243
11.4 Clock Output/Buzzer Output Controller Operations............................................................. 245
11.4.1 Clock
output operation ..................................................................................................................245
11.4.2 Operation
as buzzer output...........................................................................................................245
CHAPTER 12 A/D CONVERTER ......................................................................................................... 246
12.1 Functions of A/D Converter .................................................................................................... 246
12.2 Configuration of A/D Converter .............................................................................................. 247
12.3 Registers Used in A/D Converter............................................................................................ 249
12.4 A/D Converter Operations ....................................................................................................... 254
12.4.1 Basic
operations of A/D converter ................................................................................................254
12.4.2 Input
voltage and conversion results ............................................................................................256
12.4.3 A/D
converter operation mode ......................................................................................................257
12.5 How to Read A/D Converter Characteristics Table............................................................... 260
12.6 Cautions for A/D Converter..................................................................................................... 262
CHAPTER 13 SERIAL INTERFACE UART0 ...................................................................................... 267
13.1 Functions of Serial Interface UART0...................................................................................... 267
13.2 Configuration of Serial Interface UART0 ............................................................................... 268
13.3 Registers Controlling Serial Interface UART0....................................................................... 271
13.4 Operation of Serial Interface UART0 ...................................................................................... 276
13.4.1 Operation stop mode ....................................................................................................................276
13.4.2 Asynchronous
serial
interface (UART) mode................................................................................277
13.4.3 Dedicated
baud rate generator .....................................................................................................283
CHAPTER 14 SERIAL INTERFACE UART6 ...................................................................................... 288
14.1 Functions of Serial Interface UART6...................................................................................... 288
14.2 Configuration of Serial Interface UART6 ............................................................................... 292
14.3 Registers Controlling Serial Interface UART6....................................................................... 295
14.4 Operation of Serial Interface UART6 ...................................................................................... 304