MSM6502B / MSM6512 Low-power And Built-in LCD Driver 4-Bit Microcontroller Datasheet

MSM6502B / MSM6512 Low-power and Built-in LCD Driver 4-Bit Microcontroller

The MSM6502B / MSM6512 is a low-power, 4-bit microcontroller implemented in complementary metal-oxide semiconductor technology. The device is ideally suited to battery-powered systems such as watches and game machines because it can directly drive LCDs with up to 108 picture elements.

FEATURES

• ROM 2000 words x 8 bits
• RAM 128 words x 4 bits
• Number of instructions 68
• Clock oscillation Crystal 32.768 kHz
• Cycle time 91.5 ms
• Timer interrupt Dual (16,128 Hz)
• I/O port - Input-output port 2 ports x 4 bits, Input port 1 port x 4 bits
• LCD drive 108 (4 x 27) picture elements
• Buzzer 2000/1000/512 Hz/Soft
• Interrupt Three sources (external two timer sources)
• Stack Nesting RAM Stack pointer = 7 bits
• Power down Halt mode available
• Operating power supply voltage 2.4 V to 3.6 V
• Package options
56-pin plastic QFP (QFP56-P-910-0.65-K) (Product name MSM6502B-xxxGS-K, MSM6512-xxxGS-K)
56-pin plastic QFP (QFP56-P-910-0.65-2K) (Product name MSM6502B-xxxGS-2K, MSM6512-xxxGS-2K)

xxx indicates the code number.

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