VK1621S-1 driver equivalent, 32 x 4 lcd driver.
* Operating voltage:2.4-5.2V
* Built-in 256kHz RC oscillator（default）
* External 32.768kHz crystal（OSCO,OSCI）
* External 256kHz requency source（OSCI）
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VK1621S-1
32×4 LCD DRIVER
VK1621 is a RAM Mapping 32x4 LCD Driver，It can support LCD screens with a maximum of 128 pattern(32SEGx4COM), it is also supports LCD screens of 2COM or 3COM.Only 3 or 4 lines are required to communication interface with t.
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