ML610Q421 datasheet(19/37 Pages) LAPIS

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FEDL610Q421-03

ML610Q421/ML610Q422

Pin name

I/O

Description

Primary/

Secondary/

Tertiary

Logic

RC oscillation type A/D converter

IN0

Channel 0 oscillation input pin. This pin is used as the secondary function

of the P30 pin.

Secondary

—

CS0

Channel 0 reference capacitor connection pin. This pin is used as the

secondary function of the P31 pin.

Secondary

—

RS0

This pin is used as the secondary function of the P32 pin which is the

reference resistor connection pin of Channel 0.

Secondary

—

RT0

Resistor sensor connection pin of Channel 0 for measurement. This pin is

used as the secondary function of the P34 pin.

Secondary

—

CRT0

Resistor/capacitor sensor connection pin of Channel 0 for measurement.

This pin is used as the secondary function of the P33 pin.

Secondary

—

RCM

RC oscillation monitor pin. This pin is used as the secondary function of

the P35 pin.

Secondary

—

IN1

Oscillation input pin of Channel 1. This pin is used as the secondary

function of the P44 pin.

Secondary

—

CS1

Reference capacitor connection pin of Channel 1. This pin is used as the

secondary function of the P45 pin.

Secondary

—

RS1

Reference resistor connection pin of Channel 1. This pin is used as the

secondary function of the P46 pin.

Secondary

—

RT1

Resistor sensor connection pin for measurement of Channel 1. This pin is

used as the secondary function of the P47 pin.

Secondary

—

Successive approximation type A/D converter

AVSS

—

Negative power supply pin for successive approximation type A/D

converter.

—

AVDD

—

Positive power supply pin for successive approximation type A/D

converter.

—

VREF

—

Reference power supply pin for successive approximation type A/D

converter.

—

AIN0

Channel 0 analog input for successive approximation type A/D converter.

—

AIN1

Channel 1 analog input for successive approximation type A/D converter.

—

LCD drive signal

COM0-7

Common output pins.

—

COM8-15

Common output pins.

These pins are for the ML610Q422, but are not provided in the

ML610Q421.

—

SEG0-49

Segment output pin.

—

LCD driver power supply

VL1

—

Power supply pins for LCD bias (internally generated). Capacitors Ca, Cb,

Cc, and Cd (see measuring circuit 1) are connected between VSS and VL1,

VL2, VL3, and VL4, respectively.

—

VL2

—

VL3

—

VL4

—

Power supply pins for LCD bias (internally generated). Capacitors C12

and C34 (see measuring circuit 1) are connected between C1 and C2 and

between C3 and C4, respectively.

—

For testing

TEST

I/O Input/output pin for testing. A pull-down resistor is internally connected.

—

Power supply

VSS

—

Negative power supply pin.

—

VDD

—

Positive power supply pin.

—

VDDL

—

Positive power supply pin (internally generated) for internal logic.

Capacitors CL0 and CL1 (see measuring circuit 1) are connected between

this pin and VSS.

—

VDDX

—

Plus-side power supply pin (internally generated) for low-speed oscillation.

Capacitor Cx (see measuring circuit 1) is connected between this pin and

VSS.

—

VPP

—

Power supply pin for programming Flash ROM. A pull-up resistor is

internally connected.

—

19/37

ML610Q421 Datasheet(PDF) 19 Page - LAPIS Semiconductor Co., Ltd.

ML610Q421 Datasheet(HTML) 19 Page - LAPIS Semiconductor Co., Ltd.

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