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UPD780138 Datasheet(PDF) 15 Page - NEC

No. de Pieza. UPD780138
Descripción  8-Bit Single-Chip Microcontrollers
Descarga  558 Pages
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Fabricante  NEC [NEC]
Página de inicio  http://www.nec.com/
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UPD780138 Datasheet(HTML) 15 Page - NEC

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User’s Manual U16228EJ2V0UD
15
CHAPTER 19 STANDBY FUNCTION .................................................................................................. 380
19.1 Standby Function and Configuration .................................................................................... 380
19.1.1
Standby function...........................................................................................................................380
19.1.2
Registers controlling standby function ..........................................................................................382
19.2 Standby Function Operation................................................................................................... 384
19.2.1
HALT mode ..................................................................................................................................384
19.2.2
STOP mode..................................................................................................................................389
CHAPTER 20 RESET FUNCTION ....................................................................................................... 393
20.1 Register for Confirming Reset Source .................................................................................. 400
CHAPTER 21 CLOCK MONITOR ........................................................................................................ 401
21.1 Functions of Clock Monitor .................................................................................................... 401
21.2 Configuration of Clock Monitor .............................................................................................. 401
21.3 Registers Controlling Clock Monitor ..................................................................................... 402
21.4 Operation of Clock Monitor..................................................................................................... 403
CHAPTER 22 POWER-ON-CLEAR CIRCUIT ..................................................................................... 408
22.1 Functions of Power-on-Clear Circuit ..................................................................................... 408
22.2 Configuration of Power-on-Clear Circuit............................................................................... 409
22.3 Operation of Power-on-Clear Circuit ..................................................................................... 409
22.4 Cautions for Power-on-Clear Circuit...................................................................................... 410
CHAPTER 23 LOW-VOLTAGE DETECTOR ....................................................................................... 412
23.1 Functions of Low-Voltage Detector ....................................................................................... 412
23.2 Configuration of Low-Voltage Detector................................................................................. 412
23.3 Registers Controlling Low-Voltage Detector ........................................................................ 413
23.4 Operation of Low-Voltage Detector ....................................................................................... 416
23.5 Cautions for Low-Voltage Detector........................................................................................ 420
CHAPTER 24 REGULATOR ................................................................................................................. 423
24.1 Outline of Regulator ................................................................................................................ 423
CHAPTER 25 MASK OPTIONS ........................................................................................................... 425
CHAPTER 26 ROM CORRECTION ..................................................................................................... 426
26.1 Functions of ROM Correction................................................................................................. 426
26.2 Configuration of ROM Correction .......................................................................................... 426
26.3 Register Controlling ROM Correction.................................................................................... 428
26.4 ROM Correction Usage Example............................................................................................ 429
26.5 ROM Correction Application................................................................................................... 430
26.6 Program Execution Flow......................................................................................................... 433
26.7 Cautions for ROM Correction ................................................................................................. 435
CHAPTER 27
µPD78F0134, 78F0138 ................................................................................................. 436
27.1 Internal Memory Size Switching Register ............................................................................. 437


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