NXP PCF2119x LCD驱动方案

NXP公司的PCF2119x 是LCD控制器/驱动器,可以驱动2x16或1x32字符的5x8点阵LCD.单芯片中集成了包括LCD偏压产生在内的所有功能,和大多数MCU的接口为4位或8位总线或2线I2C总线,主要应用在通信设备,手提设备和POS终端.本文介绍了PCF2119x主要特性,方框图,采用并行接口4位或8位总线的应用电路, 采用I2C接口的应用电路,以及2x16和1x32字符LCD连接图.

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 x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 (5x8 dot format)
are available.

PCF2119x主要特性:

Single-chip LCD controller and driver
..

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