External Program Memory Read Cycle | Intel 80C51FA, 83C51FA instruction

AUTOMOTIVE 80C51FA/83C51FA

EXTERNAL PROGRAM MEMORY READ CYCLE

270501 ±12

EXTERNAL DATA MEMORY READ CYCLE

270501 ±13

EXTERNAL DATA MEMORY WRITE CYCLE

270501 ±14

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Intel 80C51FA External Program Memory Read Cycle, External Data Memory Read Cycle, External Data Memory Write Cycle

Contents

Memory Organization EVENT-CONTROL Chmos SINGLE-CHIP BIT Microcontroller Automotive 80C51FA/83C51FA To + Extended 80C51FA/83C51FA Product OptionsTo + Extended Automotive Port Pin Alternate Function PIN Descriptions P3.7 RD external data memory read strobe Oscillator Characteristics Status of the External Pins during Idle and Power Down Idle ModePower Down Mode Once Mode XTAL, RST Symbol Parameter Min Typ MaxPdip CIO Symbol Parameter Min Typ Max Unit Test ConditionsRrst RST Pulldown Resistor 100 225 ICC vs Frequency External Memory Characteristics Explanation of the AC Symbols External Data Memory Write Cycle External Program Memory Read CycleExternal Data Memory Read Cycle External Clock Drive Waveform Serial Port TIMING-SHIFT Register ModeShift Register Mode Timing Waveforms External Clock Drive AC Testing INPUT, Output Waveforms Float Waveforms Datasheet Revision History