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MSM63182A-XXXGS-K Ver la hoja de datos (PDF) - Oki Electric Industry

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MSM63182A-XXXGS-K Datasheet PDF : 28 Pages
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¡ Semiconductor
MSM63182A
64 Kbytes (expandable by using an I/O port)
• Stack level
Call stack level
Register stack level
: 8 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/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
: 2 ports ¥ 4 bits
Output port
: 4 ports ¥ 4 bits
Input-output port
: 3 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
• LCD driver
Number of segments
: 512 Max. (32 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
• 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 1.05 ±0.10 V, 1.30 ±0.15 V,
2.20 ±0.20 V or 2.80 ±0.30 V
• Power supply backup
Backup circuit (voltage multiplier) enables operation at 0.9 V minimum
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