MSM64152AL datasheet(7/25 Pages) OKI

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¡ Semiconductor

MSM64152A/64152AL

Basic Functions (continued)

Ports

4-bit input port (port 2) :

Select between pull-down resistor input and high impedance

input for each bit with the port 2 control register (P2CON).

When configured for secondary functions, an external

interrupt and capture circuit trigger input are allocated.

If P2.0 to P2.3 are set to "H" level, the IC enters system

reset mode.

4-bit output port (port 4) :

4-bit CMOS output port.

I/O

4-bit input-output port (port 6) :

Select between input and output, between pull-down resistor

input and high impedance input, and between open-drain

output and CMOS output with the port 6 control register

(P6CON). When configured for a secondary function, an

external interrupt is allocated.

Melody

Drivers

Output pin of melody driver 0

Inverted output pin of MD0 output

LCD common signal output pins

LCD

Drivers

Pad

Description

Type

Function

P2.0

P2.1

P2.2

P2.3

P4.0

P4.1

P4.2

P4.3

P6.0

P6.1

P6.2

P6.3

MD0

COM1

COM2

COM3

COM4

Symbol

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