摘要：本应用笔记讨论Maxim的菊花链式SPI™兼容的显示驱动器和GPIO连接三态SPI器件的技术。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……