MSM63P238-XXXGS-BK 查看數據表（PDF） - Oki Electric Industry

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MSM63P238-XXXGS-BK

4-Bit Microcontroller with Built-in 16K Word PROM, POCSAG Decoder, and Melody Circuit

Oki Electric Industry 

¡ Semiconductor

MSM63P238

• Stack level

Call stack level

Register stack level

: 16 levels

: 16 levels

• POCSAG decoder

Data rate

: 512 bps/1200 bps/2400 bps

User frame

: 3 types

User address

: 6 types

Battery saving mode (for controlling intermittent operations of RF receiver)

• 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/high-impedance 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/high-impedance output

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

uses.

Number of ports:

Input port

: 1 port ¥ 4 bits

Output port

: 6 ports ¥ 4 bits

Input-output port

: 5 ports ¥ 4 bits

1 port ¥ 2 bits

• Melody output function

Melody sound frequency

Tone length

Tempo

Note data

Buzzer drive signal output

: 529 to 2979 Hz

: 63 types

: 15 types

: Resides in the program memory

: 4 kHz

• Reset function

Reset through RESET pin

Power-on reset

Reset by low-speed oscillation halt

• Battery check*

Low-voltage supply check

Criterion voltage

: Can be selected as 2.20 ±0.20 V or 2.80 ±0.30 V

• Power supply backup*

Backup circuit (voltage multiplier) enables operation at 1.45 V minimum

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