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SE8 데이터시트(PDF) 115 Page - Microchip Technology

부품명 SE8
상세설명  64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology
PDF  478 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SE8 데이터시트(HTML) 115 Page - Microchip Technology

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 2010-2012 Microchip Technology Inc.
DS41414D-page 115
PIC16(L)F1946/47
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
EEADRL
; Select Bank for EEPROM registers
MOVLW
PROG_ADDR_LO
;
MOVWF
EEADRL
; Store LSB of address
MOVLW
PROG_ADDR_HI
;
MOVWL
EEADRH
; 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
EEDATL,W
; Get LSB of word
MOVWF
PROG_DATA_LO
; Store in user location
MOVF
EEDATH,W
; Get MSB of word
MOVWF
PROG_DATA_HI
; Store in user location



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