NXP PCF2119x LCD控制和驱动解决方案
NXP公司的PCF2119x 是低功耗LCD控制器和驱动器,可以驱动2行16字符或1行32字符的点阵LCD显示器,其功能包括片内LCD偏压产生,和大多数MCU通过4位或8位总线或2线I2C总线来连接.主要应用在通信设备,手提仪器和POS终端.本文介绍了PCF2119x主要特性和优势, 方框图以及典型应用电路,和MCU连接方式.
PCF2119x: LCD controllers/drivers
The PCF2119x is a low power CMOS1 LCD controller and driver, designed to drive a dot matrix LCD display of 2-lines by 16 characters or 1-line by 32 characters with 5 × 8 dot format. All necessary functions for the display are provided in a single chip, including on-chip generation of LCD bias voltages, resulting in a minimum of external components and lower system current consumption. The PCF2119x interfaces to most microcontrollers via a 4-bit or 8-bit bus or via the 2-wire I2C-bus.
The chip contains a character generator and displays alphanumeric and kana (Japanese) characters.
The letter ‘x’ in PCF2119x characterizes the built-in character set. Various character sets can be manufactured on request. In addition 16 user defined symbols (5 × 8 dot format) are available.
PCF2119x主要特性和优势:
Single-chip LCD controller and driver
2-line display of up to 16 characters plus 160 icons or 1-line display of up to 32 characters plus 160 icons..
