SA9110A datasheet(5/18 Pages) SAMES

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SA9110A

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PIN DESCRIPTION (continued)

Designation

Type

Description

CON1

Analog

Connections for outer loop capacitors of A/D

COP1

Analog

converters

CON2

Analog

COP2

Analog

CON3

Analog

COP3

Analog

CONP

Analog

COPP

Analog

CIN1

Analog

Connections for inner loop capacitors of A/D

CIP1

Analog

converters

CIN2

Analog

CIP2

Analog

CIN3

Analog

CIP3

Analog

CINP

Analog

CIPP

Analog

VREF

Analog

Connection for reference current setting resistor

SDO

Open drain

Pulse rate output. Serial data output when PB is low

SR[0]

Input

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

SR[1]

Input

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

Input

Push Button: Display select/start serial data

transmission on SDO (on-chip pull-up)

PGM

Input

Programming Mode . It is recommended that pin PGM

be connected to VDD via a 470

Ω resistor to guard

against transients or noise.

PDTA

Input

Programming Data (on-chip pull-down)

PCLK

Input

Programming Clock

TP9

Manufacturer's test pins (Leave unconnected)

TP10

TP11

TP13

TP24

TP26

TP44

TP61

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