2 Development Board Description
2.6 Development Board Specification
DBUG401-1.0E
8(22)
2.6
Development Board Specification
Table 2-1 Development Board Specification
No. Item
Functions
Technical Conditions
Note
1
FPGA
Core chip
–
–
2
Download
Support an USB
interface; Support
JTAG, AUTOBOOT
USB-JTAG module on
board
–
3
Power Supply
Provide DC 5V input;
3.3 V, 2.5V,1.8V, and
1.2V output via LDO
circuit
Input power: 5V
Provide power for
FPGA, download
circuit and other
circuits via 5V–3.3 V
circuit;
Provide power for
FPGA via the 5V to
2.5V circuit;
Provide power for
FPGA via the 5V to
1.8V circuit;
Provide power to
FPGA core via 5 V–
1.2 V circuit.
–
4
Key Switches
Available for testing
1
–
5
Reset button
Reset for FPGA
1
–
6
LED
Test indicator, DONE
indicator, Power
indicator
Two green test
indicators (share I/O
resources with
keys);
One DONE
indicator, green
One Power
indicator, green
–
7
Crystal Oscillator
Provide 50MHz clock
for FPGA
Package5032
–
8
Memory
Provides abundant
Flash and PSRAM for
designs
1Mbit built-in Flash
32Mbit built-in
PSRAM
–
9
GPIO
I/O, convenient for user
extension and test
7
–