 2002 Microchip Technology Inc.

DS39025F-page 11

PIC16F87X

FIGURE 2-4:

FLOW CHART - PIC16F87X CONFIGURATION MEMORY

Program ID

START

Load

Configuration

Data

Location?

Program Cycle

Read Data

Command

Data Correct?

Report

Programming

Failure

Increment

Address

Command

Increment

Address

Command

Increment

Address

Command

Increment

Address

Command

Program

Cycle

(Config. Word)

Read Data

Command

Data Correct?

Report Program

Configuration

Word Error

DONE

Yes

No

Yes

No

No

Yes

Yes

No

Load Data

Command

Begin

Program Only

Command*

Wait tprog

Address =

0x2004?

PROGRAM CYCLE

* Assumes that a bulk erase was issued before programming configuration word. If not, use the program flow from Figure 2-4.