Serial Transfer Timing THREE-LINE Serial I/O Mode

μPD75P308

SERIAL TRANSFER TIMING

THREE-LINE SERIAL I/O MODE:

SCK

tKSO1

	tKCY1
tKL1	tKH1
tSIK1	tKSI1

Input data

Output data

TWO-LINE SERIAL I/O MODE:

SCK

tKSO

SB0,1

tKCY

tKL								tKH
tKL								tKH

tSIK tKSI

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NEC PD75P308 user manual Serial Transfer Timing THREE-LINE Serial I/O Mode, TWO-LINE Serial I/O Mode

Contents

Quality Grade FeaturesDescription Ordering Information ΜPD75P308 PIN Configuration Block Diagram Contents PIN Functions Port Pins NON Port Pins Input buffer of Cmos standard Schmitt trigger input with hysteresis characteristicsPIN INPUT/OUTPUT Circuits IN/OUT SEG COMType F-B Type M-C Connect capacitor between VDD and P00/INT4, Reset pin Eprom Differences Between μPD75P308 and μPD75308 Operation Modes for WRITING/VERIFYING Program Memory Program memory address 0 clear mode+12.5 Write mode Verify mode Program inhibit mode Or H Writing and Verifying Prom Program Memory VDD+1 Program Memory Write Procedure Program Memory Read Procedure Erasure μPD75P308K only Absolute Maximum Ratings Ta = 25C Electrical Specifications Main System Clock Ceramic Oscillator Ta = -10 to +70C Main System Clock Oscillator Circuit CharacteristicsTa = -10 to +70C, VDD = 5 to ±5 Recommended Oscillation Circuit Constants Capacitance Ta = 25C, VDD = 0 DC Characteristics Ta = -10 to +70C, VDD = 5V ±5% Operation Other Than Serial Transfer AC Characteristics Ta = -10 to + 70C, VDD = 5V ±5%Interrupt mode register IM0 Serial Transfer Operation SBI Mode SCK external clock output master SBI Mode SCK internal clock output master TI0 Timing AC Timing Test Point excluding X1 and XT1 inputsClock Timing TWO-LINE Serial I/O Mode Serial Transfer Timing THREE-LINE Serial I/O Mode Interrupt Input Timing Serial Transfer Timing BUS Release Signal TransferCommand Signal Transfer Reset Input Timing BTM3 BTM2 BTM1 BTM0 Data Retention Timing releasing Stop mode by ResetTa = -10 to +70C Other than X1 or MD0 MD1 Program Memory Write TimingProgram Memory Read Timing PIN Plastic QFP 14×20 Package Drawings Millimeters Inches PIN Ceramic Wqfn VPS Recommended Soldering ConditionsΜPD75P308GF-3B9 80-pin plastic QFP 14 x 20 mm Prom writing tools Appendix A. Development Tools Appendix B. Related Documents Fix the input level of Cmos devices Processing of Unused Pins Cmos Devices onlyStatic Electricity ALL MOS Devices Status Before Initialization ALL MOS Devices Memo

NEC PD75P308 Serial Transfer Timing THREE-LINE Serial I/O Mode, TWO-LINE Serial I/O Mode

Models: PD75P308

μPD75P308

SERIAL TRANSFER TIMING

THREE-LINE SERIAL I/O MODE:

SCK

TWO-LINE SERIAL I/O MODE:

SCK