摘要： 此应用程序说明讨论的异同、 硬件和软件，之间的较旧的 MAX7219 和 MAX7221 LED 显示驱动程序和较新的 MAX6950 和 MAX6951 驱动程序。这些驱动程序的五位数字或八位共同阴极 LED 显示驱动程序通过高速串行接口控制。Maxim > App Notes > DISPLAY DRIVERS Keywords: LED display drivers, LED drivers, display drivers, SPI, serial, blink, 3V Dec 11, 2001 APPLICATION NOTE 876 Migrating from the MAX7219 and MAX7221 to the MAX6950 and MAX6951 LED Drivers Abstract: This application note discusses the similarities and differences, both hardware and software, between the older MAX7219 and MAX7221 LED display drivers and the newer MAX6950 and MAX6951 drivers. These drivers are five-digit or eight-digit common-cathode LED display drivers controlled through a high-speed serial interface. This application note discusses the similarities and differences, both hardware and software, between the older MAX7219 and MAX7221 LED display drivers and the newer MAX6950 and MAX6951 drivers. These drivers are f……