VKL128 driver equivalent, 32x4 lcd driver.
* Operating voltage:2.5-5.5V
* Built-in 32kHz RC oscillator
* Selection of 1/2 or 1/3 bias
* 1/4duty(4COM)
* Built-in 32x4 bits display RAM
* 80Hz.
VKL128
32×4 LCD DRIVER
VKL128 is a RAM Mapping LCD Driver，It can support LCD screens with a maximum of 128 pattern(32SEGx4COM) .The device communicates with host microcontrollers via a two-line bidirectional
I2C bus,it is used to configure display .
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