PIC16F87 datasheet(13/24 Pages) MICROCHIP

13 / 24 page

 2002 Microchip Technology Inc.

DS39607B-page 13

PIC16F87/88

FIGURE 3-4:

FLOW CHART – PIC16F87/88 CONFIGURATION MEMORY

(2.0V

≤ VDD < 5.5V) AND (4.5V ≤ VDD < 5.5V)

Load Data

Command

Begin

Program Only

Command

Wait tprog1

PROGRAM

FOUR LOCATIONS

Load Data

Command

Begin

Program Only

Command

Wait tprog1

PROGRAM

CONFIG1

End

Start

Four Loads

Done?

Increment

Address

Command

Yes

End

Begin

Erase

Command

Wait tprog2

End

Programming

Command

End

Programming

Command

and

End

Programming

Command

Program ID

Start

Load

Configuration

Data

Location?

Program Four

Read Data

Command

Data Correct?

Report

Programming

Failure

Increment

Address

Command

Increment

Address

Command

Increment

Address

Command

Increment

Address

Command

Program

Config1

Read Data

Command

Data Correct?

Report Program

Configuration

Word Error

End

Yes

Address =

0x2004?

Locations

(Set PC = 2000h)

Address =

0x2003?

Increment

Address

Command

Yes

Load

Configuration

Data

Increment

Address

Program

Config2

Command

CONFIG2

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