PIC10F202 Microchip Technology Inc., PIC10F202 Datasheet - Page 29

• Manufacturer Part Number: PIC10F202
• Description: 6-pin, 8-bit Flash Microcontrollers Data Sheet
• Manufacturer: Microchip Technology Inc.

FIGURE 5-2:
© 2007 Microchip Technology Inc.
Instruction
Instruction
Executed
GP<2:0>
Fetched
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
MOVWF GPIO
PC
SUCCESSIVE I/O OPERATION (PIC10F200/202/204/206)
MOVF GPIO, W
(Write to GPIO)
MOVWF GPIO
Port pin
written here
PC + 1
MOVF GPIO,W
(Read GPIO)
Port pin
sampled here
NOP
PC + 2
PIC10F200/202/204/206
PC + 3
NOP
NOP
This example shows a write to GPIO followed
by a read from GPIO.
Data setup time = (0.25 T
where: T
Therefore, at higher clock frequencies, a
write followed by a read may be problematic.
T
CY
PD
= instruction cycle
= propagation delay
CY
DS41239D-page 27
– T
PD
)