PIC12F1822T-I/SL 查看數據表（PDF） - Microchip Technology

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PIC12F1822T-I/SL

8/14-Pin Flash Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC12F/LF1822/16F/LF1823

EXAMPLE 11-3: FLASH PROGRAM MEMORY READ

* This code block will read 1 word of program

* memory at the memory address:

PROG_ADDR_HI : PROG_ADDR_LO

* data will be returned in the variables;

* PROG_DATA_HI, PROG_DATA_LO

BANKSEL

MOVLW

MOVWF

MOVLW

MOVWL

EEADRL

PROG_ADDR_LO

EEADRL

PROG_ADDR_HI

EEADRH

; Select Bank for EEPROM registers

;

; Store LSB of address

;

; Store MSB of address

BCF

EECON1,CFGS

; Do not select Configuration Space

BSF

EECON1,EEPGD

; Select Program Memory

BCF

INTCON,GIE

; Disable interrupts

BSF

EECON1,RD

; Initiate read

NOP

; Executed (Figure 11-1)

NOP

; Ignored (Figure 11-1)

BSF

INTCON,GIE

; Restore interrupts

MOVF

MOVWF

MOVF

MOVWF

EEDATL,W

PROG_DATA_LO

EEDATH,W

PROG_DATA_HI

; Get LSB of word

; Store in user location

; Get MSB of word

; Store in user location

 2010 Microchip Technology Inc.

Preliminary

DS41413A-page 107

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