SA9110AFA Ver la hoja de datos (PDF) - South African Micro Electronic Systems

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componentes Descripción

Fabricante

SA9110AFA

MONOCHIP THREE PHASE BIDIRECTIONAL KILOWATT HOUR METERING IC

South African Micro Electronic Systems 

SA9110A

PIN DESCRIPTION (continued)

Pin Designation Type

16

CON1

Analog

17

COP1

Analog

15

CON2

Analog

14

COP2

Analog

4

CON3

Analog

5

COP3

Analog

34

CONP

Analog

33

COPP

Analog

19

CIN1

Analog

18

CIP1

Analog

21

CIN2

Analog

20

CIP2

Analog

23

CIN3

Analog

22

CIP3

Analog

36

CINP

Analog

35

CIPP

Analog

3

VREF

Analog

62

SDO

Open drain

67

SR[0]

Input

68

SR[1]

Input

66

PB

Input

65

PGM

Input

64

PDTA

63

PCLK

9

TP9

10

TP10

11

TP11

13

TP13

24

TP24

26

TP26

44

TP44

61

TP61

Input

Input

Description

Connections for outer loop capacitors of A/D

converters

Connections for inner loop capacitors of A/D

converters

Connection for reference current setting resistor

Pulse rate output. Serial data output when PB is low

Control for tariff register selection (on-chip pull-up)

Control for tariff register selection (on-chip pull-up)

Push Button: Display select/start serial data

transmission on SDO (on-chip pull-up)

Programming Mode . It is recommended that pin PGM

be connected to VDD via a 470Ω resistor to guard

against transients or noise.

Programming Data (on-chip pull-down)

Programming Clock

Manufacturer's test pins (Leave unconnected)

sames

5/18

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