PIC18F24K50 データシートの表示（PDF） - Microchip Technology

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PIC18F24K50

Flash Memory Programming Specification

Microchip Technology 

PIC18(L)F2X/4XK50

FIGURE 3-4:

PROGRAM CODE MEMORY FLOW

Start

N=1

LoopCount = 0

Configure

Device for

Writes

N=N+1

Load 2 Bytes

to Write

Buffer at <Addr>

N=1

LoopCount =

LoopCount + 1

No

All

bytes

written?

Yes

Start Write Sequence

and Hold PGC

High until Done

and Wait P9

Hold PGC Low

for Time P10

No

All

locations

done?

Yes

Done

FIGURE 3-5:

TABLE WRITE AND START PROGRAMMING INSTRUCTION

TIMING DIAGRAM (1111)

12 34

1 2 34 56

15 16

123

PGC

P5

P9(1)

P5A

P10

4

123

PGD

1111

4-bit Command

nn nn nn

nn

0000

16-bit Data Payload

PGD = Input

4-bit Command Programming Time

Note 1: Use P9A for User ID and Configuration Word programming.

000

16-bit

Data Payload

DS41630B-page 18

 2012 Microchip Technology Inc.

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