◎ 樹莓派 CM3 擴充板，商品不含PI CM3 需自備 Raspberry Pi 樹莓派主板
◎ 型式：無殼 擴展板

◎ PI CM3 series extension board
◎ Lan*1, RS-232 / 422 / 485*2 (surge protect)
◎ RTC*1, Buzzer*1, HDMI *1
◎ I2C *1, SPI*1
◎ GPIO -DI*8, GPIO-DO*8, PWM *2

◎ CPU : ARM Cortex –A53 CPU , 1.2 GHz
◎ RAM : 1 G Bytes SDRAM
◎ ROM : 4G/ 8G/ 16G/ 32G Bytes EMMC Flash ROM - option
◎ OS : Linux raspbian 4.14 l GNU/Linux
◎ Ethernet
◎ Port Type : RJ-45 Connector
◎ Speed : 10 /100 M bps ( Auto Detecting )
◎ Protocol : ARP , IP , ICMP , UDP , TCP , HTTP , DHCP
◎ Protocol ：PPPoE , DDNS , NTP , FTP , Telnet
◎ Mode : TCP Server / TCP Client / UDP
◎ Setup : HTTP Browser Setup (IE & Netscape) , Console
◎ Security : Setup Password
◎ Protection : Built-in 1.5KV Magnetic Isolation

◎ Serial Port * 2
◎ Port : RS -232 / 422 / 485 * 2 Ports ( Surge Protect )
◎ Speed：300 bps ~ 921.6 K bps
◎ Parity：None , Odd , Even , Mark , Space
◎ Data Bit：5 , 6 , 7 , 8
◎ Stop Bit : 1 , 2
◎ RS-232 Pins : Rx , Tx , GND
◎ RS-422 : Rx+ , Rx- , Tx+ , Tx- ( Surge Protect )
◎ RS-485 : Data+ , Data- ( Surge Protect ) ( Over current protect )
◎ 15KV ESD for all signals
◎ Digital Input / Output : GPIO * 16 Pins
◎ HDMI for Video / Audio
◎ SPI Interface * 1
◎ I2C Interface * 1 port
◎ SD Interface : micro SD card ( for storage only )
◎ USB ( Host * 3 port ) : for WiFi Dongle , Bluetooth Dongle, Memory Storage
◎ USB ( Slave * 1, jump select for Pi CM3 Initial Image Download )
◎ RTC : Real Time Clock * 1
◎ Buzzer * 1
◎ Watch Dog Function
◎ Mini-PCIE Connector (USB) - for 4G / WIFI / BLUETOOTH / LoRa )
◎ Power : DC 9~32 V , 1000 mA 500mA@12V, support DC Jack & Terminal Input
◎ Led Lamp : SYS ,EMMC MEMORY R/W LAN LINK, LAN TRANSMIT
◎ Environment : Operating Temperature:-20 0℃〜70℃
◎ Storage Temperature : -25℃〜75℃