SA9110AFA Просмотр технического описания (PDF) - South African Micro Electronic Systems

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SA9110AFA

MONOCHIP THREE PHASE BIDIRECTIONAL KILOWATT HOUR METERING IC

South African Micro Electronic Systems 

SA9110A

VDD

IIP

CURRENT

V SS

SENSOR

INPUTS

V DD

IIN

V SS

V DD

IVP

VOLTAGE

SENSOR

V SS

INPUT

AI

AV

DR-00954

GND

3. LCD Driver

The SA9110A has an on-chip LCD driver capable of driving a 4 backplane, 7 digit

(7 segment) display, as well as 6 announciators.

The backplane repitition frequency is approximately 90Hz.

The most significant digit is addressed by columns S[13] and S[12] and the least

significant digit by S[1] and S[0]. Announciators for the total register, 4 tariff registers

and energy direction indication are available on the 'h' segments of the 6 least

significant digits. The display segments are addressed via the column outputs given

in the table below:

sames

7/18

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