UPD78F9418A NEC, UPD78F9418A Datasheet - Page 19

• Manufacturer Part Number: UPD78F9418A
• Description: (UPD7894xxA) 8-Bit Single Chip Microcontrollers
• Manufacturer: NEC

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Two-Time-Slice LCD Display Pattern and Electrode Connections ............................................................218
Example of Connecting Two-Time-Slice LCD Panel..................................................................................219
Two-Time-Slice LCD Drive Waveform Examples (1/2 Bias Method) .........................................................220
Three-Time-Slice LCD Display Pattern and Electrode Connections..........................................................221
Example of Connecting Three-Time-Slice LCD Panel ...............................................................................222
Three-Time-Slice LCD Drive Waveform Examples (1/2 Bias Method).......................................................223
Three-Time-Slice LCD Drive Waveform Examples (1/3 Bias Method).......................................................224
Four-Time-Slice LCD Display Pattern and Electrode Connections............................................................225
Example of Connecting Four-Time-Slice LCD Panel .................................................................................226
Four-Time-Slice LCD Drive Waveform Examples (1/3 Bias Method).........................................................227
Basic Configuration of Interrupt Function...................................................................................................230
Format of Interrupt Request Flag Register.................................................................................................232
Format of Interrupt Mask Flag Register .....................................................................................................233
Format of External Interrupt Mode Register 0............................................................................................234
Format of External Interrupt Mode Register 1............................................................................................235
Configuration of Program Status Word ......................................................................................................236
Format of Key Return Mode Register 00 ...................................................................................................237
Block Diagram of Falling Edge Detector ....................................................................................................237
Flowchart of Non-Maskable Interrupt Request Acknowledgment ..............................................................239
Timing of Non-Maskable Interrupt Request Acknowledgment ...................................................................239
Non-Maskable Interrupt Request Acknowledgment...................................................................................239
Interrupt Acknowledgment Program Algorithm...........................................................................................240
Interrupt Request Acknowledgment Timing (Example: MOV A, r) .............................................................241
Interrupt Request Acknowledgment Timing (When Interrupt Request Flag
Is Generated in Final Clock Under Execution) ...........................................................................................241
Example of Multiple Interrupt .....................................................................................................................242
Format of Oscillation Stabilization Time Selection Register.......................................................................245
Releasing HALT Mode by Interrupt............................................................................................................247
Releasing HALT Mode by RESET Input ....................................................................................................248
Releasing STOP Mode by Interrupt ...........................................................................................................250
Releasing STOP Mode by RESET Input....................................................................................................251
Block Diagram of Reset Function...............................................................................................................252
Reset Timing by RESET Input ...................................................................................................................253
Reset Timing by Overflow in Watchdog Timer...........................................................................................253
Reset Timing by RESET Input in STOP Mode...........................................................................................253
Environment for Writing Program to Flash Memory ...................................................................................257
Communication Mode Selection Format ....................................................................................................258
Example of Connection with Dedicated Flash Programmer.......................................................................259
V
Signal Conflict (Serial Interface Input Pin) .................................................................................................262
PP
Pin Connection Example .....................................................................................................................261
LIST OF FIGURES (4/5)
User’s Manual U13952EJ3V0UD
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