PIC24FJ128GA006-IPT datasheet(55/258 Pages) MICROCHIP

номер детали	PIC24FJ128GA006-IPT

подробное описание детали	64/80/100-Pin, General Purpose, 16-Bit Flash Microcontrollers

PDF	258 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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55 / 258 page

 2005-2012 Microchip Technology Inc.

DS39747F-page 55

PIC24FJ128GA010 FAMILY

EXAMPLE 5-2:

LOADING THE WRITE BUFFERS

EXAMPLE 5-3:

INITIATING A PROGRAMMING SEQUENCE

; Set up NVMCON for row programming operations

MOV

#0x4001, W0

;

MOV

W0, NVMCON

; Initialize NVMCON

; Set up a pointer to the first program memory location to be written

; program memory selected, and writes enabled

MOV

#0x0000, W0

;

MOV

W0, TBLPAG

; Initialize PM Page Boundary SFR

MOV

#0x6000, W0

; An example program memory address

; Perform the TBLWT instructions to write the latches

; 0th_program_word

MOV

#LOW_WORD_0, W2

;

MOV

#HIGH_BYTE_0, W3

;

TBLWTL

W2, [W0]

; Write PM low word into program latch

TBLWTH

W3, [W0++]

; Write PM high byte into program latch

; 1st_program_word

MOV

#LOW_WORD_1, W2

;

MOV

#HIGH_BYTE_1, W3

;

TBLWTL

W2, [W0]

; Write PM low word into program latch

TBLWTH

W3, [W0++]

; Write PM high byte into program latch

;

2nd_program_word

MOV

#LOW_WORD_2, W2

;

MOV

#HIGH_BYTE_2, W3

;

TBLWTL

W2, [W0]

; Write PM low word into program latch

TBLWTH

W3, [W0++]

; Write PM high byte into program latch

•

; 63rd_program_word

MOV

#LOW_WORD_31, W2

;

MOV

#HIGH_BYTE_31, W3

;

TBLWTL

W2, [W0]

; Write PM low word into program latch

TBLWTH

W3, [W0]

; Write PM high byte into program latch

DISI

; Block all interrupts with priority <7

; for next 5 instructions

MOV

#0x55, W0

MOV

W0, NVMKEY

; Write the 55 key

MOV

#0xAA, W1

;

MOV

W1, NVMKEY

; Write the AA key

BSET

NVMCON, #WR

; Start the program/erase sequence

BTSC

NVMCON, #15

; and wait for it to be

BRA

$-2

; completed

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