UPD17704 Datasheet, PDF (10/356 Pages) NEC – 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM

µPD17704, 17705, 17707, 17708, 17709
19. BEEP ................................................................................................................................................ 287
19.1 Outline of BEEP .................................................................................................................... 287
19.2 I/O Selection Block and Output Selection Block .............................................................. 288
19.3 Clock Selection Block and Clock Generation Block ........................................................ 290
19.4 Output Waveform of BEEP .................................................................................................. 291
19.5 Status at Reset ..................................................................................................................... 291
20. STANDBY ........................................................................................................................................ 292
20.1 Outline of Standby Function ............................................................................................... 292
20.2 Halt Function ........................................................................................................................ 293
20.3 Clock Stop Function ............................................................................................................ 299
20.4 Device Operation in Halt and Clock Stop Status .............................................................. 301
20.5 Cautions on Processing of Each Pin in Halt and Clock Stop Status .............................. 301
20.6 Device Operation Control Function of CE Pin .................................................................. 303
21. RESET .............................................................................................................................................. 306
21.1 Outline of Reset .................................................................................................................... 306
21.2 CE Reset ............................................................................................................................... 307
21.3 Power-ON Reset ................................................................................................................... 313
21.4 Relationship between CE Reset and Power-ON Reset .................................................... 316
21.5 Reset by RESET Pin ............................................................................................................. 320
21.6 WDT&SP Reset ..................................................................................................................... 321
21.7 Power Failure Detection ...................................................................................................... 327
22. INSTRUCTION SET ......................................................................................................................... 332
22.1 Outline of Instruction Set .................................................................................................... 332
22.2 Legend .................................................................................................................................. 333
22.3 Instruction List ..................................................................................................................... 334
22.4 Assembler (RA17K) Embedded Macro Instruction .......................................................... 336
23. RESERVED SYMBOLS ................................................................................................................... 337
23.1 Data Buffer (DBF) ................................................................................................................. 337
23.2 System Registers (SYSREG) ............................................................................................... 337
23.3 Port Registers ....................................................................................................................... 338
23.4 Register File (Control Registers) ........................................................................................ 340
23.5 Peripheral Hardware Registers ........................................................................................... 345
23.6 Others .................................................................................................................................... 345
24. ELECTRICAL CHARACTERISTICS ................................................................................................ 346
25. PACKAGE DRAWING ..................................................................................................................... 349
26. RECOMMENDED SOLDERING CONDITIONS .............................................................................. 350
APPENDIX A. CAUTIONS ON CONNECTING CRYSTAL RESONATOR ........................................... 351
APPENDIX B. DEVELOPMENT TOOLS ............................................................................................... 352
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