4-12 Product Principle
4.3.3 IO BOX Board
Communication motherboard
Digital
board
VGA
HDMI
S-Video
CVBS
Serial port
Remote_Print_C
Ethernet
USB port
Audio out
CVBS Video In
S-Video In
Audio In
DVI
WLAN
IOBOX
board
JTAG and acoustic
power port
DVR
board
WIFI
module
HDD
Fig 4-14 Schematic Diagram of I/O Box Board
Function description:
IOBOX board is used for output and input for the peripherals, the main ports including:
DVI port
VGA port
HDMI port
Video input
Video output
S-Video input
S-Video output
Audio input
Audio output
USB port, 2
Ethernet port
Note: if not specified, the number of the above ports is 1.
For the convenience of system test and debugging, the following ports are designed on the IOBOX
board:
JTAG port of the FPGA
JTAG port of the DSP
Acoustic power test port