PIC16F87T/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F87T/ML

18/20/28-Pin Enhanced Flash MCUs with nanoWatt Technology

Microchip Technology 

PIC16F87/88

EXAMPLE 3-4: ERASING A FLASH PROGRAM MEMORY ROW

BANKSEL

MOVF

MOVWF

MOVF

MOVWF

ERASE_ROW

BANKSEL

BSF

BSF

BSF

;

BCF

MOVLW

MOVWF

MOVLW

MOVWF

BSF

NOP

NOP

BCF

BCF

BSF

EEADRH

ADDRH, W

EEADRH

ADDRL, W

EEADR

EECON1

EECON1, EEPGD

EECON1, WREN

EECON1, FREE

INTCON, GIE

55h

EECON2

AAh

EECON2

EECON1, WR

EECON1, FREE

EECON1, WREN

INTCON, GIE

; Select Bank of EEADRH

;

; MS Byte of Program Address to Erase

;

; LS Byte of Program Address to Erase

; Select Bank of EECON1

; Point to PROGRAM memory

; Enable Write to memory

; Enable Row Erase operation

; Disable interrupts (if using)

;

; Write 55h

;

; Write AAh

; Start Erase (CPU stall)

; Any instructions here are ignored as processor

; halts to begin Erase sequence

; processor will stop here and wait for Erase complete

; after Erase processor continues with 3rd instruction

; Disable Row Erase operation

; Disable writes

; Enable interrupts (if using)

 2002-2013 Microchip Technology Inc.

DS30487D-page 31

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