4-Bit MCU with Built-in LCD
Driver and Melody Circuit
Documents
Description
The MSM64153A
(1.5 V)/64153AL (3.0 V) is a high-performance 4-bit microcontroller that
incorporates Oki-original CPU core nX-4/20. The MSM64153A/64153AL has an LCD
driver for up to 144 segments, an event counter, and melody circuits. It is best
suited for applications such as clocks and LCD games.
Features
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Operating range
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Operating voltage : 1.5 V / 3.0 V |
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Operating temperature : –40 to +70 °C |
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Operating frequency : 32.768 kHz crystal oscillation
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Approx. 32 kHz RC oscillation |
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Supply current (Typ.) : 0.9µA (3.0 V at HALT mode)
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Minimum instruction execution time :
91µs
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General memory space : 3040 bytes |
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Local memory space : 160 nibbles |
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LCD driver : 40 |
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Common driver x 4 |
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Segment driver x 36 |
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1/4 duty, 1/3 bias; 144 segments (36 x 4) |
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1/3 duty, 1/3 bias; 108 segments (36 x 3)
| I/O port
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Input-output port :
2 ports x 4 bits (open-drain
output/CMOS output selectable; pull-down resistor input/high-impedance input
selectable) |
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Input port :
1 port x 2 bits (pull-down resistor
input/high-impedance input selectable) 1 port x 4 bits (pull-down resistor
input/high-impedance input selectable) | |
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Event counter : 1 channel |
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Melody output : 2 |
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Interrupts :
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10 sources |
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External 4, time base 4, melody 2
| Package:
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80-pin plastic QFP (QFP80-P-1420-0.80-BK) : (Product name :
MSM64153A-xxxGS-BK, MSM64153AL-xxxGS-BK) |
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Chip : MSM64153A-xxx, MSM64153AL-xxx xxx indicates a code
number. | |
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OTP version (for program evaluation) : MSM64P155/64P155L (The
package, power polarity, and operating voltage of the MSM64P155/64P155L are
different from the MSM64153A/64153AL. For details, refer to the "MSM64P155
User's Manual".) |
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