10F200 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

10F200

6-Pin, 8-bit Flash Microcontrollers

Microchip Technology 

PIC10F200/202/204/206

FIGURE 5-2:

SUCCESSIVE I/O OPERATION (PIC10F200/202/204/206)

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

PC

Instruction

Fetched MOVWF GPIO

PC + 1

MOVF GPIO, W

PC + 2

NOP

PC + 3

NOP

GP<2:0>

Instruction

Executed

Port pin

written here

Port pin

sampled here

MOVWF GPIO MOVF GPIO,W

NOP

(Write to GPIO) (Read GPIO)

This example shows a write to GPIO followed

by a read from GPIO.

Data setup time = (0.25 TCY – TPD)

where: TCY = instruction cycle

TPD = propagation delay

Therefore, at higher clock frequencies, a

write followed by a read may be problematic.

© 2007 Microchip Technology Inc.

DS41239D-page 27

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