VK2C21AA
20×4/16x8 LCD DRIVER
VK2C21AA is a RAM Mapping LCD Driver,It can support LCD screens with a maximum of 80 pattern(20SEGx4COM) or a maximum of 128 pattern(16SEGx8COM) .The device communicates with host microcontrollers via a two-line bidirectional I2C bus,it is used to configure di