应用功能：4位液晶显示驱动程序 The ICM7211AM device is a non-multiplexed four-digit seven-segment CMOS LCD display decoder-driver.This device is configured to drive conventional LCD displays by providing a complete RC oscillator, divider chain,backplane driver, and 28 segment outputs.It also has a microprocessor compatible input configuration,which provides data input latches and Digit Address latches under control of high-speed Chip Select inputs.
