List
of Tables
DBUG378-1.0E
9
2.6
Development Board Description
Table 2-1 Development Board Description
No. Name
Functional Description Conditions
Remarks
1
FPGA
Core chip
–
–
2
Download
USB interface; MSPI
supported
USB to JTAG chip integrated on board
–
3
Power Supply
3.3 V, 2.8V, 2.5V,
1.8V,1.2 V, 1.0V output
via DC-DC(LDO) circuit
Input power: 5V
Provide power for FPGA, download,
HDMI and other circuits via 5V to 3.3
V circuit;
Provide power for camera input via
5V to 2.8V circuit;
Provide power for FPGA and HDMI
RX via 5V to 2.5V circuit;
Provide power for FPGA PSRAM
and HyperRAM via 5V to1.8V circuit;
Provide power for camera input via
5V to 1.2V circuit;
Provide power for FPGA via 2.8V to
1.0V circuit.
–
4
Switch
FPGA Power switch
1
–
5
Reset key
FPGA reset
1
–
6
LED
Test indicator, hot plug
indicator and power
indicator
Six test indicators;
Two hot plug indicators;
One DONE indicator;
One power indicator.
–
7
Crystal
Oscillator
Provide 27MHz clock
for FPGA
Package2520
–
8
Memory
Provide PSRAM and
Flash
64Mbit external HyperRAM
64Mbit external SPI flash
–
9
GPIO
I/O for user to extend
and test
8
–
10
HDMI
For design use.
One HDMI TX Interface and one HDMI
RX Interface
–
11
FPC
connector
For camera input
24PIN FPC
–
12
Protection
USB interface with
ESD protection;
Power interface
with inverse and
over current
USB interface with ESD protection:
±15kV non-contact discharge and ±
8kV contact discharge;
Schottky diode is connected
between positive and negative
–
