Product Description:
1602&2004 Character LCD module are LCD module specially designed for displaying letters, numbers, symbols, etc. It has 4-bit and 8-bit data transmission modes (with optional integrated PCF8574 I2C interface). There are 4-bit and 8-bit data transmission modes (with optional I2C interface integrating PCF8574).
Provides 5 x 7 dot matrix + cursor display mode. Provides display data buffer DDRAM, character generator CGROM and character generator CGRAM, you can use the CGRAM to store your own definition of up to eight 5 × 8 dot dot graphic character word mode data. Provides rich command settings: clear display, cursor return, display on/off, cursor on/off, display character blinking, cursor shift, display shift, etc.
Provide internal power-on automatic reset circuit, when the external power supply is added, the module is automatically initialised to operate and set the module to the default display working state.

Product Specification：
Display Characters: 16 characters X 2 lines
Character dot matrix: 5X7 characters + cursor
Display colour and backlight colour: STN blue, yellow-green, grey; backlight black, white, yellow-green .
Polarising film: full/semi-transparent
Viewing angle: 6:00
Display Duty Cycle: 1/16 Drive Bias: 1/5
Control chip: SPLC780D or compatible IC (such as AIP31066)
Character generator ROM: 10880 bits (192 character 5*8 dots) or (64 character 5*11 dots)
Character generator RAM: 64X8 bits (8 characters 5*8 dots) or (4 characters 5*11 dots)
Display data RAM :80X8 bits (80 characters max)
Dimensions (Unit: mm)
External dimensions: 80X36X11
Viewing area: 64.5X13.8 Character font: 5X7 dots + cursor
Character size: 55.7X11
Dot size: 0.54X0.6
Character Pitch: 3.52X5.85
Contrast ratio: V0 externally adjustable or internally fixed contrast ratio
Operating voltage: 5V