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ADE7166 датащи(PDF) 107 Page - Analog Devices

номер детали ADE7166
подробное описание детали  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
PDF  152 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADE7166 датащи(HTML) 107 Page - Analog Devices

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ADE7116/ADE7156/ADE7166/ADE7169/ADE7566/ADE7569
Rev. B | Page 107 of 1
52
The LCD is set up with the following 8052 code:
; set up LCD pins to have LCD functionality
MOV
LCDSEG,#FP20EN+FP21EN+FP22EN+FP23EN
MOV
LCDSEGX,#FP16EN+FP17EN+FP18EN+FP19EN
; set up LCDCON for fLCDCLK=2048Hz, 1/3 bias and 4x multiplexing
MOV
LCDCON,#BIAS+LMUX1+LMUX0
; setup LCDCONX for charge pump and BIASLVL[110111]
MOV
LCDCONX,#BIASLVL5+BIASLVL4+BIASLVL3+BIASLVL2+BIASLVL1+BIASLVL0
; set up refresh rate for 64Hz with fLCDCLK=2048Hz
MOV
LCDCLK,#FD3+FD2+FD1+FD0
; set up LCD data registers with data to be displayed using
; LCDPTR and LCDDATA registers
; turn all segments on FP27 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,#LCDEN ; enable LCD
To set up the same 3.3 V LCD for use with an external resistor ladder:
; set up LCDCONX for external resistor ladder
MOV
LCDCONX,#EXTRES



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