MSM63P180 Просмотр технического описания (PDF) - Oki Electric Industry

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MSM63P180

4-Bit Microcontroller with Built-in 16K Word PROM and 1024-Dot Matrix LCD Drivers

Oki Electric Industry 

¡ Semiconductor

MSM63P180

• Stack level

Call stack level

Register stack level

: 16 levels

: 16 levels

• I/O ports

Input ports: Selectable as input with pull-up resistance/input with pull-down resistance/

high-impedance input

Output ports: Selectable as P-channel open drain output/N-channel open drain output/

CMOS output

Input-output ports: Selectable as input with pull-up resistance/input with pull-down

resistance/high-impedance input

Selectable as P-channel open drain output/N-channel open drain

output/CMOS output

Can be interfaced with external peripherals that use a different power supply than this device

uses.

Number of ports:

Input port

: 2 ports ¥ 4 bits

Output port

: 6 ports ¥ 4 bits

Input-output port

: 8 ports ¥ 4 bits

• Buzzer function

Buzzer output

Buzzer output modes

: 0.946 to 5.461 kHz (adjustable in 15 steps)

: Intermittent sound 1, 2; simple sound; continu-

ous sound

• Melody output function

Melody sound frequency

Tone length

Tempo

Note data

: 529 to 2979 Hz

: 63 types

: 15 types

: Resides in the program memory

• LCD driver

Number of segments

: 1024 Max. (64 SEG ¥ 16 COM)

1/1 to 1/16 duty

1/4 or 1/5 bias (regulator built-in)

Selectable as all-on mode/all-off mode/power down mode/normal display mode

Adjustable contrast

• Multiplier/divider circuits

Multiplier : (8 bits) ¥ (8 bits) Æ Product (16 bits)

Divider : (16 bits) ÷ (8 bits) Æ Quotient (16 bits), Remainder (8 bits)

• Reset function

Reset through RESET pin

Power-on reset

Reset by low-speed oscillation halt

• Battery check

Low-voltage supply check

Criterion voltage

: Selectable as 2.2 V or 2.8 V

2/35

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