摘要： 本应用指南讨论将马克西姆菊花 SPI ™ 兼容显示驱动程序和 GPIO 连接到 3 状态 SPI 设备技术。Maxim > App Notes > AUTOMOTIVE DISPLAY DRIVERS Keywords: SPI, serial interface, display drivers, 3-wire, tri-state, daisy-chain, cascade, QSPI, LED drivers, Feb 10, 2003 GPIO, I/O expanders, SPI devices APPLICATION NOTE 1879 Using Maxim SPI-compatible Display Drivers with other SPI Peripherals Abstract: This application note discusses techniques to connect Maxim's daisy-chained SPI-compatible display drivers and GPIO to 3-state SPI devices. This application note discusses techniques to connect Maxim's SPI-compatible display drivers to other SPI devices on a common SPI interface. The discussion applies to the MAX6950, MAX6951, MAX6952, MAX6954, MAX6957, and MAX7221 LED drivers, the MAX6850, and MAX6852 vacuum fluorescent display (VFD) controllers, and the MAX7301 general purp……