
User’s Manual U14800EJ3V0UD
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13.4 Serial Interface 10 Operation ..................................................................................................185
13.4.1
Operation stop mode................................................................................................................... 185
13.4.2
3-wire serial I/O mode ................................................................................................................. 186
CHAPTER 14 SERIAL INTERFACE 20 ..............................................................................................188
14.1 Serial Interface 20 Functions ..................................................................................................188
14.2 Serial Interface 20 Configuration............................................................................................189
14.3 Registers Controlling Serial Interface 20 ..............................................................................193
14.4 Serial Interface 20 Operation ..................................................................................................200
14.4.1
Operation stop mode................................................................................................................... 200
14.4.2
Asynchronous serial interface (UART) mode .............................................................................. 202
14.4.3
3-wire serial I/O mode ................................................................................................................. 215
CHAPTER 15 LCD CONTROLLER/DRIVER.......................................................................................220
15.1 LCD Controller/Driver Functions............................................................................................220
15.2 LCD Controller/Driver Configuration .....................................................................................220
15.3 Registers Controlling LCD Controller/Driver ........................................................................223
15.4 Setting LCD Controller/Driver.................................................................................................227
15.5 LCD Display Data Memory ......................................................................................................227
15.6 Common and Segment Signals ..............................................................................................228
15.7 Display Modes ..........................................................................................................................230
15.7.1
Three-time slot display example.................................................................................................. 230
15.7.2
Four-time slot display example.................................................................................................... 233
15.8 Supplying LCD Drive Voltages VLC0, VLC1, and VLC2 .............................................................236
CHAPTER 16 INTERRUPT FUNCTIONS ............................................................................................237
16.1 Interrupt Function Types.........................................................................................................237
16.2 Interrupt Sources and Configuration .....................................................................................237
16.3 Registers Controlling Interrupt Function ..............................................................................240
16.4 Interrupt Servicing Operation .................................................................................................246
16.4.1
Non-maskable interrupt request acknowledgment operation ...................................................... 246
16.4.2
Maskable interrupt request acknowledgment operation .............................................................. 248
16.4.3
Multiple interrupt servicing........................................................................................................... 249
16.4.4
Putting interrupt requests on hold ............................................................................................... 251
CHAPTER 17 STANDBY FUNCTION ..................................................................................................252
17.1 Standby Function and Configuration.....................................................................................252
17.1.1
Standby function ......................................................................................................................... 252
17.1.2
Register controlling standby function........................................................................................... 253
17.2 Standby Function Operation...................................................................................................254
17.2.1
HALT mode ................................................................................................................................. 254
17.2.2
STOP mode ................................................................................................................................ 257
CHAPTER 18 RESET FUNCTION .......................................................................................................260