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DVR30 データシート(PDF) 76 Page - Microchip Technology

部品番号 DVR30
部品情報  16-Bit General Purpose Microcontrollers with 256-Kbyte Flash and 16-Kbyte RAM in Low Pin Count Packages
PDF  416 Pages
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メーカー  MICROCHIP [Microchip Technology]
ホームページ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

DVR30 データシート(HTML) 76 Page - Microchip Technology

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DS30010118D-page 76
 2016-2018 Microchip Technology Inc.
EXAMPLE 6-2:
INITIATING A PROGRAMMING SEQUENCE
DISI
#5
; Block all interrupts with priority <7
; for next 5 instructions
MOV.B
#0x55, W0
MOV
W0, NVMKEY
; Write the 0x55 key
MOV.B
#0xAA, W1
;
MOV
W1, NVMKEY
; Write the 0xAA key
BSET
NVMCON, #WR
; Start the programming sequence
NOP
; Required delays
NOP
BTSC
NVMCON, #15
; and wait for it to be
BRA
$-2
; completed



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