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HT1621

RAM Mapping 32 x 4 LCD Controller

Description

HT1621 HT1621 RAM Mapping 32x4 LCD Controller for I/O MCU Features Operating voltage: 2.4V ~ 5.2V Built-in 256kHz RC oscillator External 32.768kHz crystal or 256 kHz frequency source input Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications Internal time base frequency sources Two selectable buzzer frequencies (2kHz/4kHz)...

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