PIC17C42 Microchip Technology, PIC17C42 Datasheet - Page 47

• Manufacturer Part Number: PIC17C42
• Description: High-Performance 8-Bit CMOS EPROM/ROM Microcontroller
• Manufacturer: Microchip Technology

FIGURE 7-6:
1996 Microchip Technology Inc.
AD15:AD0
Instruction
fetched
Instruction
executed
ALE
WR
OE
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
CONSECUTIVE TABLWT WRITE TIMING (EXTERNAL MEMORY)
INST (PC-1)
TABLWT1
PC
TABLWT1 cycle1 TABLWT1 cycle2 TABLWT2 cycle1 TABLWT2 cycle2
TABLWT2
PC+1
Data write cycle
TBL1
Data out 1
INST (PC+2)
PC+2
Data write cycle
TBL2
PIC17C4X
Data out 2
DS30412C-page 47
INST (PC+3)
INST (PC+2)
PC+3