Datasheet

 2000 Microchip Technology Inc. Preliminary DS40197B-page 23
PIC16HV540
FIGURE 5-5: SUCCESSIVE I/O OPERATION
PC PC + 1 PC + 2
PC + 3
Q1 Q2
Q3
Q4
Q1 Q2
Q3
Q4
Q1 Q2
Q3
Q4
Q1 Q2
Q3
Q4
Instruction
fetched
RB7:RB0
MOVWF PORTB
NOP
Port pin
sampled here
NOP
MOVF PORTB,W
Instruction
executed
MOVWF PORTB
(Write to
PORTB)
NOP
MOVF PORTB,W
This example shows a write
to PORTB followed by a read
from PORTB.
(Read
PORTB)
Port pin
written here