ade7566acpzf8-rl Analog Devices, Inc., ade7566acpzf8-rl Datasheet - Page 107
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ade7566acpzf8-rl
Manufacturer Part Number
ade7566acpzf8-rl
Description
Single-phase Energy Measurement Ic With 8052 Mcu, Rtc, And Lcd Driver
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADE7566ACPZF8-RL.pdf
(152 pages)
- Current page: 107 of 152
- Download datasheet (3Mb)
The LCD is set up with the following 8052 code:
; set up LCD pins to have LCD functionality
MOV
MOV
; set up LCDCON for f
MOV
; setup LCDCONX for charge pump and BIASLVL[110111]
MOV
; set up refresh rate for 64Hz with f
MOV
; 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
MOV
MOV
ANL
ORL
To set up the same 3.3 V LCD for use with an external resistor ladder:
; set up LCDCONX for external resistor ladder
MOV
LCDSEG,#FP20EN+FP21EN+FP22EN+FP23EN
LCDSEGX,#FP16EN+FP17EN+FP18EN+FP19EN
LCDCON,#BIAS+LMUX1+LMUX0
LCDCONX,#BIASLVL5+BIASLVL4+BIASLVL3+BIASLVL2+BIASLVL1+BIASLVL0
LCDCLK,#FD3+FD2+FD1+FD0
LCDCONY,#01h ; start data memory refresh
LCDDAT,#F0H
LCDCONY,#0FEh ; end of data memory refresh
LCDCON,#LCDEN ; enable LCD
LCDCONX,#EXTRES
LCDPTR, #80h OR 0DH
LCDCLK
=2048Hz, 1/3 bias and 4x multiplexing
ADE7116/ADE7156/ADE7166/ADE7169/ADE7566/ADE7569
LCDCLK
=2048Hz
Rev. B | Page 107 of 152
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