WH1601L is 16 characters with 1 row LCD alphanumeric display module. WH1601L is built in with ST7066 controller IC or equivalent; its default interface is 6800 4/8-bit parallel. This display is also available in SPI and I2C interface by using RW1063 controller IC. There are different LED backlights are available in various colors including yellow/green, white, red, blue, green, and amber, as well as no backlight option. The LEDs can be driven by PIN1, PIN2, PIN15, PIN16 or A and K.
There are different interface options for WH1601L series, details as below:
►WH1601L : 6800 interface (ST7066 IC)
►WH1601L3: I2C interface (RW1063 IC)