PIC16HV540 Microchip Technology, PIC16HV540 Datasheet - Page 23
PIC16HV540
Manufacturer Part Number
PIC16HV540
Description
Enhanced PIC16C54 EPROM-Based 8-Bit CMOS Microcontroller
Manufacturer
Microchip Technology
Datasheet
1.PIC16HV540.pdf
(85 pages)
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FIGURE 5-5:
2000 Microchip Technology Inc.
Instruction
Instruction
executed
RB7:RB0
fetched
SUCCESSIVE I/O OPERATION
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
MOVWF PORTB
PC
MOVF PORTB,W
MOVWF PORTB
(Write to
PORTB)
Port pin
written here
PC + 1
MOVF PORTB,W
Preliminary
(Read
Port pin
sampled here
PORTB)
NOP
PC + 2
PC + 3
NOP
NOP
This example shows a write
to PORTB followed by a read
from PORTB.
PIC16HV540
DS40197B-page 23