PIC16F866 View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

PIC16F866

Flash-Based, 8-Bit CMOS Microcontrollers

Microchip Technology 

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PIC16F882/883/884/886/887

FIGURE 10-2:

BLOCK WRITES TO 2K AND 4K FLASH PROGRAM MEMORY

75

07

0

EEDATH

EEDATA

6

8

First word of block

to be written

Sixteen words of

Flash are erased,

then four buffers

are transferred

to Flash

automatically

after this word

is written

14

14

14

14

EEADR<1:0> = 00

EEADR<1:0> = 01

EEADR<1:0> = 10

EEADR<1:0> = 11

Buffer Register

Buffer Register

Buffer Register

Buffer Register

Program Memory

FIGURE 10-3:

BLOCK WRITES TO 8K FLASH PROGRAM MEMORY

75

07

0

EEDATH

EEDATA

6

8

First word of block

to be written

Sixteen words of

Flash are erased,

then eight buffers

are transferred

to Flash

automatically

after this word

is written

14

14

14

14

EEADR<2:0> = 000

EEADR<2:0> = 001

EEADR<2:0> = 010

EEADR<2:0> = 111

Buffer Register

Buffer Register

Buffer Register

Buffer Register

Program Memory

DS41291G-page 122

 2006-2012 Microchip Technology Inc.

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