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

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CHAPTER 1 GENERAL1.1 Expanded-Specification Products and Conventional ProductsExpanded-specification products and conventional products refer to the following products.Expanded-specification products: Products with a rank Note other than K• Mask ROM versions for which orders were received after December 1, 2001.• µPD78F9076 shipped after January 1, 2002.Conventional products: Products with rank Note K• Products other than the above expanded-specification products.Note The rank is indicated by the 5th digit from the left in the lot number marked on the package.Lot number O O O O ∆Year code Week codeRankExpanded-specification products and conventional products differ in operating frequency ratings. The differencesare shown in Table 1-1.Table 1-1. Differences Between Expanded-Specification Products and Conventional ProductsPower Supply Voltage (VDD)Guaranteed Operating Speed (Operating Frequency)Conventional ProductsExpanded-Specification Products4.5 to 5.5 V 5 MHz (0.4 µs) 10 MHz (0.2 µs)3.0 to 5.5 V 5 MHz (0.4 µs) 6 MHz (0.33 µs)2.7 to 5.5 V 5 MHz (0.4 µs) 5 MHz (0.4 µs)1.8 to 5.5 V 1.25 MHz (1.6 µs) 1.25 MHz (1.6 µs)RemarkThe parenthesized values indicate the minimum instruction execution time.20User’s Manual U14801EJ3V1<strong>UD</strong>
CHAPTER 1 GENERAL1.2 Features• ROM and RAM capacityProduct NameItemProgram MemoryData Memory(Internal High-Speed RAM)µPD789071, 789071(A)Mask ROM2 KB256 KBµPD789072, 789072(A)4 KBµPD789074, 789074(A)8 KBµPD78F9076 Flash memory 16 KB• Minimum instruction execution time can be changed from high-speed (0.2 µs) to low speed (0.8 µs) (at 10.0MHz, VDD = 4.5 to 5.5 V operation with system clock)• I/O ports: 24• Serial interface: 1 channel3-wire serial I/O mode/UART mode: 1 channel• Timer: 3 channels• 16-bit timer:1 channel• 8-bit timer/event counter: 1 channel• Watchdog timer: 1 channel• Vectored interrupt sources: 9• Supply voltage: VDD = 1.8 to 5.5 V• Operating ambient temperature: TA = −40 to +85°C1.3 ApplicationsSmall, general home electrical appliances, telephones, etc.1.4 Ordering InformationPart Number Package Quality GradeµPD789071MC-×××-5A4 30-pin plastic SSOP (7.62 mm (300)) Mask ROMµPD789072MC-×××-5A4 30-pin plastic SSOP (7.62 mm (300)) Mask ROMµPD789074MC-×××-5A4 30-pin plastic SSOP (7.62 mm (300)) Mask ROMµPD789071MC(A)-×××-5A4 30-pin plastic SSOP (7.62 mm (300)) Mask ROMµPD789072MC(A)-×××-5A4 30-pin plastic SSOP (7.62 mm (300)) Mask ROMµPD789074MC(A)-×××-5A4 30-pin plastic SSOP (7.62 mm (300)) Mask ROMµPD78F9076MC-5A4 30-pin plastic SSOP (7.62 mm (300)) Flash memoryµPD789071MC-×××-5A4-A 30-pin plastic SSOP (7.62 mm (300)) Mask ROMµPD789072MC-×××-5A4-A 30-pin plastic SSOP (7.62 mm (300)) Mask ROMµPD789074MC-×××-5A4-A 30-pin plastic SSOP (7.62 mm (300)) Mask ROMµPD78F9076MC-5A4-A 30-pin plastic SSOP (7.62 mm (300)) Flash memoryRemarks 1. ××× indicates ROM code suffix.2. Products that have the part numbers suffixed by "-A" are lead-free products.User's Manual U14801EJ3V1<strong>UD</strong> 21
Page 1 and 2: User’s ManualµPD789074 Subseries
Page 3 and 4: NOTES FOR CMOS DEVICES1VOLTAGE APPL
Page 5 and 6: Regional InformationSome informatio
Page 7 and 8: INTRODUCTIONReadersPurposeOrganizat
Page 9: 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: LIST OF TABLES (2/2)Table No. Title
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 and 62: CHAPTER 3 CPU ARCHITECTURE3.4.6 Bas
Page 63 and 64: CHAPTER 4 PORT FUNCTIONSTable 4-1.
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.
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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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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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