该人机接口控制系统电路特性: Connection to CPU Board via HMI Satellite Connector (80-pin) Micro SD Card Slot – 4 bit SD card mode Passive Matrix OLED Display, size: 1.54”, 160x128 pixel 2.5 mm stereo receptacle for audio headsets Stereo audio codec TLV320AIC3204 2 touch buttons with LED’s I2C based IO expander with 8 channels Single side assembly of all parts 2 LEDs indicating power (3.3 Volt, 13 Volt) Power supply from CPU-Board via HMI Satellite Connector (80-pin) 人机接口控制系统PCB板: