
13
11.4.2
Repeating frequency ................................................................................................................. 252
11.5 Note........................................................................................................................................ 252
CHAPTER 12 PORT FUNCTION ......................................................................................................... 253
12.1 Features ................................................................................................................................ 253
12.2 Basic Configuration of Port ............................................................................................... 254
12.3 Port Pin Function................................................................................................................. 258
12.3.1
Port 0 ......................................................................................................................................... 258
12.3.2
Port 1 ......................................................................................................................................... 262
12.3.3
Port 2 ......................................................................................................................................... 268
12.3.4
Port 3 ......................................................................................................................................... 273
12.3.5
Port 4 ......................................................................................................................................... 279
12.3.6
Port 5 ......................................................................................................................................... 281
12.3.7
Port 6 ......................................................................................................................................... 283
12.3.8
Port 7 ......................................................................................................................................... 285
12.3.9
Port 9 ......................................................................................................................................... 286
12.3.10 Port 11 ....................................................................................................................................... 289
12.4 Switching between External Maskable Interrupt Request Input/Timer External
Capture Trigger Input and CSI Pins.................................................................................. 292
12.5 Specifying Pull-up Resistor ............................................................................................... 294
12.6 Noise Elimination Circuit.................................................................................................... 295
CHAPTER 13 RESET FUNCTION ....................................................................................................... 297
13.1 Features ................................................................................................................................ 297
13.2 Pin Function ......................................................................................................................... 297
13.3 Initialize ................................................................................................................................. 298
CHAPTER 14 FLASH MEMORY (
μ
PD70F3003, 70F3003A, AND 70F3025A) .................................. 301
14.1 Features ................................................................................................................................ 301
14.2 Writing by Flash Programmer............................................................................................ 301
14.3 Programming Environment ................................................................................................ 302
14.4 Communication System...................................................................................................... 303
14.5 Pin Handling ......................................................................................................................... 305
14.5.1
VPP pin ...................................................................................................................................... 305
14.5.2
Serial interface pin .................................................................................................................... 306
14.5.3
Reset pin.................................................................................................................................... 308
14.5.4
NMI pin....................................................................................................................................... 308
14.5.5
MODE pin .................................................................................................................................. 308
14.5.6
Port pin ...................................................................................................................................... 308
14.5.7
WAIT pin .................................................................................................................................... 308
14.5.8
Other signal pin ......................................................................................................................... 308
14.5.9
Power supply ............................................................................................................................. 308
14.6 Programming Method.......................................................................................................... 309
14.6.1
Flash memory control................................................................................................................ 309
14.6.2
Flash memory programming mode........................................................................................... 310
14.6.3
Selection of communication systems ....................................................................................... 310
14.6.4
Communication command ........................................................................................................ 311
14.6.5
Resources used......................................................................................................................... 312