uPD789074 Subseries 8-Bit Single-Chip Microcontrollers UD - Home

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CHAPTER 4 PORT FUNCTIONS4.1 Port FunctionsThe µPD789074 Subseries is provided with the ports shown in Figure 4-1. These ports enable several types ofcontrol. Table 4-1 lists the functions of each port.These ports have digital I/O port functions as well as alternate functions. For the alternate functions, refer to 2.1Pin Function List.Figure 4-1. Port TypesP20P00Port 2Port 0P27P07Port 3P30P31P10Port 1P1562User’s Manual U14801EJ3V1UD
CHAPTER 4 PORT FUNCTIONSTable 4-1. Port FunctionsPin Name I/O Function After Reset Alternate FunctionP00 to P07 I/O Port 08-bit I/O portInput/output can be specified in 1-bit units.When used as an input port, an on-chip pull-up resistor can bespecified by setting pull-up resistor option register 0 (PU0).P10 to P15 I/O Port 16-bit I/O portInput/output can be specified in 1-bit units.When used as an input port, an on-chip pull-up resistor can bespecified by setting pull-up resistor option register 0 (PU0).InputInput−−P20P21P22P23I/O Port 28-bit I/O portInput/output can be specified in 1-bit units.An on-chip pull-up resistor can be specified by setting pull-up resistoroption register B2 (PUB2).InputSCK20/ASCK20SO20/TxD20SI20/RxD20SS20P24INTP0P25INTP1P26INTP2/CPT90P27TI80/TO80P30P31I/O Port 32-bit I/O portInput/output can be specified in 1-bit units.When used as an input port, an on-chip pull-up resistor can bespecified by setting pull-up resistor option register 0 (PU0).InputTO90BZO90User’s Manual U14801EJ3V1UD 63
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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
Page 13 and 14: CHAPTER 11 STANDBY FUNCTION .......
Page 15 and 16: LIST OF FIGURES (1/3)Figure No. Tit
Page 17 and 18: LIST OF FIGURES (3/3)Figure No. Tit
Page 19 and 20: LIST OF TABLES (2/2)Table No. Title
Page 21 and 22: CHAPTER 1 GENERAL1.2 Features• RO
Page 23 and 24: CHAPTER 1 GENERAL1.6 Pin Configurat
Page 25 and 26: CHAPTER 1 GENERALThe major function
Page 27 and 28: CHAPTER 1 GENERAL1.8 Block DiagramT
Page 29 and 30: CHAPTER 1 GENERAL1.10 Differences B
Page 31 and 32: CHAPTER 2 PIN FUNCTIONS(2) Non-port
Page 33 and 34: CHAPTER 2 PIN FUNCTIONS(h) RxD20, T
Page 35 and 36: CHAPTER 2 PIN FUNCTIONS2.3 Pin I/O
Page 37 and 38: CHAPTER 3 CPU ARCHITECTURE3.1 Memor
Page 39 and 40: CHAPTER 3 CPU ARCHITECTUREFigure 3-
Page 41 and 42: CHAPTER 3 CPU ARCHITECTURE3.1.1 Int
Page 47 and 48: CHAPTER 3 CPU ARCHITECTURE(a) Inter
Page 49 and 50: CHAPTER 3 CPU ARCHITECTURE3.2.2 Gen
Page 51 and 52: CHAPTER 3 CPU ARCHITECTURETable 3-3
Page 53 and 54: CHAPTER 3 CPU ARCHITECTURE3.3 Instr
Page 55 and 56: CHAPTER 3 CPU ARCHITECTURE3.3.3 Tab
Page 57 and 58: CHAPTER 3 CPU ARCHITECTURE3.4.2 Sho
Page 59 and 60: CHAPTER 3 CPU ARCHITECTURE3.4.4 Reg
Page 61: CHAPTER 3 CPU ARCHITECTURE3.4.6 Bas
Page 65 and 66: CHAPTER 4 PORT FUNCTIONS4.2.2 Port
Page 67 and 68: CHAPTER 4 PORT FUNCTIONSFigure 4-5.
Page 69 and 70: CHAPTER 4 PORT FUNCTIONSFigure 4-7.
Page 71 and 72: CHAPTER 4 PORT FUNCTIONS4.3 Port Fu
Page 73 and 74: CHAPTER 4 PORT FUNCTIONS(3) Pull-up
Page 75 and 76: CHAPTER 5 CLOCK GENERATOR5.1 Clock
Page 77 and 78: CHAPTER 5 CLOCK GENERATOR5.4 System
Page 79 and 80: CHAPTER 5 CLOCK GENERATORFigure 5-4
Page 81 and 82: CHAPTER 5 CLOCK GENERATOR5.6 Changi
Page 83 and 84: Figure 6-1. Block Diagram of 16-Bit
Page 85 and 86: CHAPTER 6 16-BIT TIMER 906.3 Contro
Page 87 and 88: CHAPTER 6 16-BIT TIMER 90(2) Buzzer
Page 89 and 90: CHAPTER 6 16-BIT TIMER 906.4 Operat
Page 91 and 92: CHAPTER 6 16-BIT TIMER 906.4.2 Oper
Page 93 and 94: CHAPTER 6 16-BIT TIMER 906.4.4 16-b
Page 95 and 96: CHAPTER 6 16-BIT TIMER 906.5 Notes
Page 97 and 98: CHAPTER 7 8-BIT TIMER/EVENT COUNTER
Page 109 and 110: CHAPTER 8 WATCHDOG TIMER8.1 Watchdo
Page 111 and 112: CHAPTER 8 WATCHDOG TIMER8.3 Watchdo
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CHAPTER 8 WATCHDOG TIMER8.4 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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CHAPTER 9 SERIAL INTERFACE 209.4.2
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CHAPTER 9 SERIAL INTERFACE 20(b) As
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CHAPTER 9 SERIAL INTERFACE 20(d) Ba
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CHAPTER 9 SERIAL INTERFACE 20(2) Co
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CHAPTER 9 SERIAL INTERFACE 20(c) Tr
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CHAPTER 9 SERIAL INTERFACE 20(e) Re
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CHAPTER 9 SERIAL INTERFACE 20(3) Ca
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CHAPTER 9 SERIAL INTERFACE 20(b) As
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CHAPTER 9 SERIAL INTERFACE 20(2) Co
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CHAPTER 9 SERIAL INTERFACE 20Figure
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CHAPTER 10 INTERRUPT FUNCTIONSTable
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CHAPTER 10 INTERRUPT FUNCTIONS10.3
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CHAPTER 10 INTERRUPT FUNCTIONS(2) I
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CHAPTER 10 INTERRUPT FUNCTIONS(4) P
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CHAPTER 10 INTERRUPT FUNCTIONSFigur
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CHAPTER 11 STANDBY FUNCTION11.1 Sta
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CHAPTER 11 STANDBY FUNCTION11.2 Ope
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CHAPTER 11 STANDBY FUNCTION11.2.2 S
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CHAPTER 12 RESET FUNCTIONThe follow
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CHAPTER 12 RESET FUNCTIONTable 12-1
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CHAPTER 13 µPD78F907613.1 Flash Me
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CHAPTER 13 µPD78F9076Figure 13-3.
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CHAPTER 13 µPD78F907613.1.3 On-boa
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CHAPTER 13 µPD78F9076When the rese
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CHAPTER 13 µPD78F9076Figure 13-9.
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CHAPTER 14 INSTRUCTION SET OVERVIEW
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CHAPTER 15 ELECTRICAL SPECIFICATION
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CHAPTER 18 RECOMMENDED SOLDERING CO
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APPENDIX A DEVELOPMENT TOOLSThe fol
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APPENDIX A DEVELOPMENT TOOLSA.1 Sof
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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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