Brand N/A Model EX-F34x-Q48 Quantity 1 Color Sky blue Material PVC + glass fiber + semiconductor Features Specially designed for C8051F34x (C8051F340) can build up development plate quickly based on it Specification Power: 5V; On board chip: C8051F340-GQR (TQFP48) AMS1117-3.3 3.3V on board regulator; Interface: JTAG / C2 mini USB with DVK501 external port (BUS_A / BUS_B) Application Crystal Oscillator can be customized or use board 12M crystal or choose it through jumper wire; Power input switch: USB or 5V DC; With power indicator; 10-pin JTAC interface standard C2 port; With reset button; MCU pin with clear pin mark convenient to connect w/ IO; Power input / output port: 5V / 3.3V can be as power input port for supplying power; With expanded interface for connecting to DVK501 easy to develop various peripherals; Chip: C8051F340; Package: TQFP48; With mini USB port; External crystal configuration on-board 12 M crystal on left side and custom crystal interface on right side selected via jumper; External crystal enable jumper short the jumper to use external crystal open the jumper to config the pins as regular I/O pins; 5V DC jack; REG0 enable/disable jumper; REG0 enabled: short PWR5V & REGIN open 3.3VJMP; REG0 disabled: short REGIN & VDD short 3.3VJMP; Note: JTAG / C2 port are compatible w/ U-EC series down-loader produced by Silabs only need C2CK and C2D cables when using C2 port English Manual/Spec Yes Packing List 1 x Board 1 x USB type A to Mini-B cable (100cm) 1 x USB power cable (120cm) 2 x 4-pin wires 2 x 2-pin wires 1 x CD CD: http://m5.img.dxcdn.com/CDDriver/CD/sku.235873.rar