MSM65352 datasheet(6/15 Pages) OKI

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¡ Semiconductor

MSM65352/65352B

Function

Type

Description

8-bit Input-output port (port 0):

Each of bits 0 to 7 is configured to be an input or

an output by the direction register of port 0

(P0DIR).

In addition to the basic function as the Input-output

port, a secondary function is allocated to each of

P0.0 through P0.7. Refer to the next table.

I/O

Port

8-bit Input-output port (port 1):

Each of bits 0 to 7 is configured to be input or

output by the direction register of port 1 (P1DIR).

In addition to the basic function as the Input-output

port, a secondary function is allocated to each of

P1.0 through P1.7. Refer to the next table.

I/O

Input port (port 2.0)

Output port (port 2.1)

Pulled high at the time of reset. If this pin is set to

the "0" level during reset, this IC goes into a test

mode, disabling execution of the user program.

Input-output port (port 2.2)

I/O

4-bit output port:

These pins are valid only for the MSM65352.

LCD common signal output pins

LCD segment signal output pins

In the case of MSM65352B, SEG0 to SEG19 and

Pin 33 to Pin 52 are used.

LCD Driver

Symbol

P0.7

P0.0

P1.7

P1.0

P2.0

(IN)

P2.1

(TEST)

P2.2

P4.3

P4.0

COM4

COM1

SEG15

SEG0

8-bit input port (port 3):

Each of P3.0 to P3.7 functions as analog input

channel of A/D converter.

P3.7

P3.0

Basic Function (Continued)

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