Hass Hi3515 kernel of ARM9 + DSP can H264 encoding 4-way the D1 or road 1080P or H264 decoding 4 channels D1 or 1 channel 1080P chip itself with rich peripheral interface UARTx4 SATAx2 USB Hostx2 SD SPI LAN IR I2C VGA output CVBS reset the core board to stabilize first output, and a large number of GPIO software on systems running Linux 2.6.24 system, using gcc / g+ + compiler core board composed Hi3515 + DDR (2Gbit) + FLASH (256Mbit/32MByte) + RTL8201 + a pursuit, the extensive use of tantalum capacitors, 6-layer PCB design. Can quickly be made of a variety of products as follows (reference design are available), saving development time. The network camera 2.DVR 3 kinds of control systems