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CHAPTER 13 µPD78F9076If Flashpro III (part no. FL-PR3, PG-FP3)/Flashpro IV (part no. FL-PR4, PG-FP4) is used as a dedicated flashprogrammer, the following signals are generated for the µPD78F9076. For details, refer to the manual of FlashproIII/Flashpro IV.Table 13-3. Pin Connection ListSignal Name I/O Pin Function Pin Name 3-Wire Serial I/O UART Pseudo3-WireVPP1 Output Write voltage VPPVPP2 − − − × × ×VDD I/O VDD voltage generation/voltage monitoringVDDNote Note NoteGND − Ground VSSCLK Output Clock output X1RESET Output Reset signal RESETSI Input Receive signal SO20/TxD20/P01SO Output Transmit signal SI20/RxD20/P02SCK Output Transfer clock SCK20/P00 ×HS Input Handshake signal − × × ×Note VDD voltage must be supplied before programming is started.Remark: Pin must be connected.: If the signal is supplied on the target board, pin does not need to be connected.×: Pin does not need to be connected.178User’s Manual U14801EJ3V1<strong>UD</strong>
CHAPTER 13 µPD78F907613.1.3 On-board pin connectionsWhen programming on the target system, provide a connector on the target system to connect to the dedicatedflash programmer.There may be cases in which an on-board function that switches from the normal operation mode to flash memoryprogramming mode is required.Input 0 V to the VPP pin in the normal operation mode. A writing voltage of 10.0 V (TYP.) is supplied to the VPPpin in the flash memory programming mode. Therefore, connect the VPP pin as follows.(1) Connect a pull-down resistor of RVPP = 10 kΩ to the VPP pin.(2) Set the jumper on the board to switch the input of VPP pin to the programmer side or directly to GND.The following shows an example of VPP pin connection.Figure 13-4 VPP Pin Connection Exampleµ PD78F9076VPPConnection pin of dedicated flash programmerPull-down resistor (RVPP)The following shows the pins used by each serial interface.Serial Interface3-wire serial I/OUARTPseudo 3-wirePins UsedSI20, SO20, SCK20RxD20, TxD20P00, P01, P02Note that signal conflict or malfunction of other devices may occur when an on-board serial interface pin that isconnected to another device is connected to the dedicated flash programmer.User’s Manual U14801EJ3V1<strong>UD</strong> 179
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User’s ManualµPD789074 Subseries
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NOTES FOR CMOS DEVICES1VOLTAGE APPL
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Regional InformationSome informatio
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INTRODUCTIONReadersPurposeOrganizat
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Documents for Flash Memory WritingP
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CHAPTER 11 STANDBY FUNCTION .......
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LIST OF FIGURES (1/3)Figure No. Tit
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LIST OF FIGURES (3/3)Figure No. Tit
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LIST OF TABLES (2/2)Table No. Title
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CHAPTER 1 GENERAL1.2 Features• RO
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CHAPTER 1 GENERAL1.6 Pin Configurat
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CHAPTER 1 GENERALThe major function
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CHAPTER 1 GENERAL1.8 Block DiagramT
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CHAPTER 1 GENERAL1.10 Differences B
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CHAPTER 2 PIN FUNCTIONS(2) Non-port
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CHAPTER 2 PIN FUNCTIONS(h) RxD20, T
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CHAPTER 2 PIN FUNCTIONS2.3 Pin I/O
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CHAPTER 3 CPU ARCHITECTURE3.1 Memor
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CHAPTER 3 CPU ARCHITECTUREFigure 3-
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CHAPTER 3 CPU ARCHITECTURE3.1.1 Int
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CHAPTER 3 CPU ARCHITECTURE(a) Inter
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CHAPTER 3 CPU ARCHITECTURE3.2.2 Gen
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CHAPTER 3 CPU ARCHITECTURETable 3-3
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CHAPTER 3 CPU ARCHITECTURE3.3 Instr
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CHAPTER 3 CPU ARCHITECTURE3.3.3 Tab
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CHAPTER 3 CPU ARCHITECTURE3.4.2 Sho
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CHAPTER 3 CPU ARCHITECTURE3.4.4 Reg
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CHAPTER 3 CPU ARCHITECTURE3.4.6 Bas
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CHAPTER 4 PORT FUNCTIONSTable 4-1.
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CHAPTER 4 PORT FUNCTIONS4.2.2 Port
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CHAPTER 4 PORT FUNCTIONSFigure 4-5.
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CHAPTER 4 PORT FUNCTIONSFigure 4-7.
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CHAPTER 4 PORT FUNCTIONS4.3 Port Fu
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CHAPTER 4 PORT FUNCTIONS(3) Pull-up
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CHAPTER 5 CLOCK GENERATOR5.1 Clock
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CHAPTER 5 CLOCK GENERATOR5.4 System
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CHAPTER 5 CLOCK GENERATORFigure 5-4
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CHAPTER 5 CLOCK GENERATOR5.6 Changi
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Figure 6-1. Block Diagram of 16-Bit
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CHAPTER 6 16-BIT TIMER 906.3 Contro
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CHAPTER 6 16-BIT TIMER 90(2) Buzzer
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CHAPTER 6 16-BIT TIMER 906.4 Operat
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CHAPTER 6 16-BIT TIMER 906.4.2 Oper
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CHAPTER 6 16-BIT TIMER 906.4.4 16-b
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CHAPTER 6 16-BIT TIMER 906.5 Notes
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CHAPTER 7 8-BIT TIMER/EVENT COUNTER
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CHAPTER 8 WATCHDOG TIMER8.1 Watchdo
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CHAPTER 9 SERIAL INTERFACE 209.1 Fu
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Figure 9-2. Block Diagram of Baud R
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CHAPTER 9 SERIAL INTERFACE 209.3 Co
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CHAPTER 9 SERIAL INTERFACE 20(1) Op
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CHAPTER 9 SERIAL INTERFACE 20(4) Ba
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CHAPTER 9 SERIAL INTERFACE 20(b) Ge
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APPENDIX A DEVELOPMENT TOOLSA.4 Fla
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APPENDIX B NOTES ON TARGET SYSTEM D
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APPENDIX C REGISTER INDEXC.1 Regist
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APPENDIX C REGISTER INDEXC.2 Regist
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APPENDIX D REVISION HISTORYThe foll
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uPD789074 Subseries 8-Bit Single-Chip Microcontrollers UD - Home

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