ADE7566ASTZF8 Analog Devices Inc, ADE7566ASTZF8 Datasheet - Page 107

• Manufacturer Part Number: ADE7566ASTZF8
• Description: IC ENERGY METER MCU 8K 64LQFP
• Manufacturer: Analog Devices Inc

Specifications of ADE7566ASTZF8

• Applications: Energy Measurement
• Core Processor: 8052
• Program Memory Type: FLASH (8 kB)
• Controller Series: ADE75xx
• Ram Size: 512 x 8
• Interface: I²C, SPI, UART
• Number Of I /o: 20
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Ic Function: Single Phase Energy Measurement IC
• Supply Voltage Range: 3.13V To 3.46V, 2.4V To 3.7V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: LQFP
• No. Of Pins: 64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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