ML610401 datasheet(11/27 Pages) LAPIS

11 / 27 page

FEDL610403-04

ML610401/ML610402/ML610403

11/27

PIN DESCRIPTION

Pin name

I/O

Description

Primary/

Secondary/

Tertiary

Logic

System

RESET_N

Reset input pin. When this pin is set to a “L” level, system reset mode is

set and the internal section is initialized. When this pin is set to a “H” level

subsequently, program execution starts. A pull-up resistor is internally

connected.

—

Negative

XT0

—

XT1

Crystal connection pin for low-speed clock.

A 32.768 kHz crystal oscillator (see measuring circuit 1) is connected to

this pin. Capacitors CDL and CGL are connected across this pin and VSS.

—

LSCLK

Low-speed clock output pin. This pin is used as the secondary function of

the P20 pin.

Secondary

—

OUTCLK

High-speed clock output pin. This pin is used as the secondary function of

the P21 pin.

Secondary

—

General-purpose input port

P00-P03

General-purpose input port.

Primary

Positive

General-purpose output port

P20-P22,P24

General-purpose output port.

Since these pins have secondary functions, the pins cannot be used as a

port when the secondary functions are used.

Primary

Positive

General-purpose input/output port

P30-P35

I/O General-purpose input/output port.

Since these pins have secondary functions, the pins cannot be used as a

port when the secondary functions are used.

Primary

Positive

P40-P47

I/O General-purpose input/output port.

Since these pins have secondary functions, the pins cannot be used as a

port when the secondary functions are used.

Primary

Positive

P50-P53

I/O General-purpose input/output port.

Since these pins have secondary functions, the pins cannot be used as a

port when the secondary functions are used.

Primary

Positive

P60-P63

General-purpose output port.

These pins are for the ML610401/ML610402, but are not provided in the

ML610403.

Primary

Positive

P64-P67

General-purpose output port.

These pins are for the ML610401, but are not provided in the

ML610402/ML610403.

Primary

Positive

ML610401 Datasheet(PDF) 11 Page - LAPIS Semiconductor Co., Ltd.

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