... Color, resolution:800*600 , 65536 colors, three siel port, USB host/device, SD card support. True color high light ... /RS422 Three Serial portsStorage: Support Datastore,SD Card USB Host/DeviceOptions: Support CAN bus, SAE J1939, Audio ... FLASH + 64M SDRAMRecipe and RTCSupportPrinting PortSerial PortEthernetOptionalProgram DownloadOne USB SLAVECommunicating PortCOM1:RS232/RS422/RS485, COM2:RS232/RS485, ...