尝试用的 MAX6956 和 MAX6957 的 SPI 和 I²C GPIO 和从 PC 的 LED 显示驱动程序

摘要：本应用指南描述了一个电脑程序，可下载免费，协助MAX6956和MAX6957LED显示驱动程序和GPIO（端口扩展器)的评价。

Maxim>AppNotes>AUTOMOTIVEDISPLAYDRIVERSKeywords:GPIO,portexpanders,staticLED,LEDdisplaydrivers,LEDdrivers,displaydrivers,SPI,I2C,serial,Jun28,2002blink,3VAPPLICATIONNOTE1142ExperimentingwiththeMAX6956andMAX6957SPIandICGPIOandLEDDisplayDriversfromaPCAbstract:ThisapplicationnotedescribesaPCprogram,downloadablefree,toassistevaluationoftheMAX6956andMAX6957LEDdisplaydriversandGPIO(portexpanders).TheMAX6956andMAX6957areversatile28-segmentLEDdisplaydriverswhichallowanyoftheoutputstobeconfiguredasgeneralpurposeinputs/outputs(GPIO).Controlismadethroughahigh-speedSPI(MAX6957)orIC(MAX6956)serialinterface.ThisapplicationnotedescribesautilityprogramwhichallowsaMAX6957