msm63188a Oki Semiconductor, msm63188a Datasheet - Page 2

• Manufacturer Part Number: msm63188a
• Description: 4-bit Microcontroller With Built-in 1024-dot Matrix Lcd Drivers And Melody Circuit Msm63188a4-bit Microcontroller With Built-in 1024-dot Matrix Lcd Drivers And Melody Circuit, Operating At 0.9 V Min.
• Manufacturer: Oki Semiconductor

¡ Semiconductor
• Stack level
• I/O ports
• Melody output function
• LCD driver
• Multiplier/divider circuits
• Reset function
• Battery check
• Power supply backup
Call stack level
Register stack level
Input ports: Selectable as input with pull-up resistance/input with pull-down resistance/
Output ports: Selectable as P-channel open drain output/N-channel open drain output/
Input-output ports: Selectable as input with pull-up resistance/input with pull-down
Can be interfaced with external peripherals that use a different power supply than this device
uses.
Number of ports:
Melody sound frequency
Tone length
Tempo
Note data
Buzzer drive signal output
Multiplier : (8 bits) ¥ (8 bits) Æ Product (16 bits)
Divider
Reset through RESET pin
Power-on reset
Reset by low-speed oscillation halt
Low-voltage supply check
Criterion voltage
Backup circuit (voltage multiplier) enables operation at 0.9 V minimum
Number of segments
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
Input port
Output port
Input-output port
: (16 bits)
high-impedance input
CMOS output/high-impedance output
resistance/high-impedance input
output/CMOS output/high-impedance output
Selectable as P-channel open drain output/N-channel open drain
(8 bits) Æ Quotient (16 bits), Remainder (8 bits)
: 16 levels
: 16 levels
: 2 ports ¥ 4 bits
: 6 ports ¥ 4 bits
: 6 ports ¥ 4 bits
: 529 to 2979 Hz
: 63 types
: 15 types
: Resides in the program memory
: 4 kHz
: 1024 Max. (64 SEG ¥ 16 COM)
: Can be selected as 1.05 0.10 V, 1.30 0.15 V,
2.20 0.20 V or 2.80 0.30 V
MSM63188A
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