2Development Board Description
2.6Development Board Specification
DBUG353-1.06E
7(25)
5. LED
One power indicator (green)
One DONE indicator (green)
Four LEDs (green)
6. Memory
One 64Mbit SPI flash
7. GPIO
72 I/O Resources
8. LDO Power
Inverse voltage protection, overcurrent protection;
Supports 3.3 V, 2.5 V, and1.2V.
2.6
Development Board Specification
Table 2-1 Development Board Specification
No.
Item
Functional Description
Technical Conditions
Comments
1
FPGA
Core chip
–
–
2
Download
Interface
Support USB interface;
Support JTAG,
AUTOBOOT, MSPI
USB-JTAG module on board
–
3
Power
Supply
Provide DC 5V input; 3.3
V, 2.5V and 1.2 V 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 5V
–
2.5V circuit;
Provide power to FPGA core via 3.3
V
–1.2 V circuit.
–
4
Slide
Switches
Available for testing
4
–
5
Key
Switches
Available for testing
4
–
6
Reset button Reset for FPGA
1
–
7
LED
Test indicator, DONE
indicator, Power
indicator
Four Test indicator, green
One DONE indicator, green
One Power indicator, green
–
8
Crystal
Oscillator
Provide 50MHz clock for
FPGA
Package5032
–
9
External
Clock
Input external clock
frequency via SMA,
used for testing
–
–
10
GPIO
I/O, convenient for user
extension and test
76 GPIO; Can be adjusted to 3.3V, 2.5V,
and 1.2V IO voltage
–