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ML63295A Datasheet(PDF) 2 Page - OKI electronic componets

Part No. ML63295A
Description  4-Bit Microcontroller with Built-in 3072-Dot Matrix LCD Driver and Melody Circuit
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Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets

ML63295A Datasheet(HTML) 2 Page - OKI electronic componets

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FEDL63295A-02
1Semiconductor
ML63295A
2/38
• Ports
Input ports:
Selectable as input pull-up resistor/input pull-down resistor/high impedance input.
Output ports:
Selectable as P-channel open drain output/N-channel open drain output/high-impedance output/CMOS
output.
I/O ports:
Selectable as input pull-up resistor/input pull-down resistor/high impedance input.
Selectable as P-channel open drain output/N-channel open drain output/high-impedance 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
: 6 ports × 4 bits
• Melody output
Melody frequency
: 529 Hz to 2979 Hz
Tone length
: 63 varieties
Tempo
: 15 varieties
Melody data
: Stored in program memory
Buzzer driver signal output
: 4 kHz
• LCD driver
Number of segments
: 3072 Max. (96 SEG. × 32 COM.)
Duty
: Selectable as 1/2, 1/4, 1/6, 1/8, 1/10, 1/12, 1/14, 1/16, 1/18, 1/20,
1/22, 1/24, 1/26, 1/28, 1/30, or 1/32 duty
Bias
: Selectable as 1/5 or 1/6 bias (regulator built-in)
Frame frequency
: ex. 64 Hz (at 1/32 duty), 128 Hz (at 1/16 duty), 256 Hz (at 1/8
duty), 512 Hz (at 1/4 duty), 1024 Hz (at 1/2 duty)
Contrast
: 16 levels adjustable
Display modes
: Selectable
as
all-ON
mode/all-OFF
mode/power
down
mode/normal display mode
• Multiplier/divider circuit
Multiplier
: (8 bits)
× (8 bits) → Product (16 bits)
Divider
: (16 bits)
/(8 bits) → Quotient (16 bits), Remainder (8 bits)
• System reset function
System reset through RESET pin
System reset by power-on detection
System reset by low-speed oscillation halt
• Battery check
Low-voltage supply check
The value of the judgment voltage is selected by the software (by setting the LD1 and LD0 bits of
BLDCON).
LD1
LD0
Judgment voltage (V)
Remarks
1
0
4.5
±0.1
Ta = 25
°C
1
1
5.1
±0.1
Ta = 25
°C


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