PIC17C42-16I/JW View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC17C42-16I/JW

High-Performance 8-Bit CMOS EPROM/ROM Microcontroller

Microchip Technology 

PIC17C4X

FIGURE 7-6: CONSECUTIVE TABLWT WRITE TIMING (EXTERNAL MEMORY)

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

AD15:AD0

Instruction

fetched

Instruction

executed

ALE

OE

WR

PC

PC+1

TBL1 Data out 1 PC+2

TBL2 Data out 2 PC+3

TABLWT1

TABLWT2

INST (PC+2)

INST (PC+3)

INST (PC-1) TABLWT1 cycle1 TABLWT1 cycle2 TABLWT2 cycle1 TABLWT2 cycle2

Data write cycle

Data write cycle

INST (PC+2)

© 1996 Microchip Technology Inc.

DS30412C-page 47

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