ADE75 datasheet(101/148 Pages) AD

部品番号	ADE75

部品情報	Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver

PDF	148 Pages

Scroll/Zoom	100%

メーカー	AD [Analog Devices]

ホームページ	http://www.analog.com

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101 / 148 page

Preliminary Technical Data

ADE75xx/ADE71xx

Rev. PrE | Page 101 of 148

; turn all segments on FP25 ON and FP26 OFF

ORL

LCDCONY,#01h

; start data memory refresh

MOV

LCDDAT, #F0H

MOV

LCDPTR, #80h OR 0DH

ANL

LCDCONY,#0FEh

; end of data memory refresh

ORL

LCDCON,#080h ; enable LCD

To setup the same 3.3V LCD for use with an external resistor

ladder:

; setup LCD pins to have LCD functionality

MOV

LCDSEGE, # 00111100b

MOV

LCDSEGE2, #00001111b

; setup LCDCON for fLCDCLK=2048Hz, 1/3 bias and 4x multiplexing

MOV

LCDCON, #00000111b

; setup LCDCONX for external resistor ladder

MOV

LCDCONX, #01000000b

; set up refresh rate for 64Hz with fLCDCLK=2048Hz, from

Table 79

MOV

LCDCLK, #00000011b

; set up LCD data registers with data to be displayed using

; LCDPTR and LCDDATA registers

; turn all segments on FP25 ON and FP26 OFF

ORL

LCDCONY,#01h

; start data memory refresh

MOV

LCDDAT, #F0H

MOV

LCDPTR, #80h OR 0DH

ANL

LCDCONY,#0FEh

; end of data memory refresh

ORL

LCDCON,#080h ; enable LCD

ADE75 データシート(PDF) 101 Page - Analog Devices

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