PIC16F887I-PT Datasheet, PDF (122/338 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers

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
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