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Lichee Tang Nano20K FPGA User Guide

【Introduction】

Tang Nano 20K is a development board, using the GW2AR-18 QN88 FPGA, containing 20736 LUT4 logic cells and 15552 Filp-Flops. There are 2 PLL in this FPGA chip, and many DSP units supporting 18 bit x 18 bit multiplication. Onboard BL616 is used for downloading bitstream into FPGA, and it's also used as USB to serial convertor to communicate FPGA with computer via UART. The 27MHz crystal generates the clock for HDMI display, onboard MS5351 clock generating chip also provides mutiple clocks.


【Rendering appearance】

 


【Parameters】

ItemDetailOthers
FPGA ChipGW2AR-LV18QN88C8/I7
Logic units(LUT4)20736
Flip-Flop(FF)15552
Shadow SRAM (S-SRAM)(bits)41472
Block SRAM (B-SRAM)(bits)828K
Numbers of B-SRAM46
32bits SDR SDRAM64M bits
Numbers of 18x18 Multiplier48
Numbers of PLLs2
I/O Bank8
Onboard debuggerBL616· JTAG for FPGA
· USB to UART for FPGA
· USB to SPI for FPGA communication
· Control MS5351 generate frequency
Clock generatorMS5351Provide extra 3 clocks for FPGA
CLick me to see how to config MS5351
Display interface· 40Pins RGB lcd connector
· HDMI interface
LED6Low voltage level enable
RGB LED1WS2812
User key2
TF Card Slot1
PCM Amplifier1MAX98357A，for audio driving
Storage64Mbits FlashTo save bitstream
Size22.55mm x 54.04mmVisit 3D file for more information


【Function diagram】

 



【Pin diagram】


【FPGA Jtag test point】

We reserved jtag test point on Tang Nano 20K, for those who want to use their own debugger.

Note: There is onboard Jtag for download FPGA firmware, so this Jtag test point is only for those who want to use their own debugger.


【Hardware information】

Datesheet
Schematic
PCB BOM(Visit the html file in your board version)
Board Size
Bosrd 3D File
Part of chip datasheet


【Using guide】

Install IDE -> Prepare your code -> Burn into board

More example codes Github

】Studying resource


【Questions】

】How to store bitstream

Tang Nano 20K uses the external Flash to save the firmware, we need to download the bitstream to store the firmware.

】Visit Tang Questions to find more solutions


【Support】

Monday-Friday (9:30-6:30) Saturday (9:30-5:30) -China time
Email: services01@spotpear.com




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Price：
$29/79.9
Model：
Tang-Nano-20K
Brand：
Spotpear
SKU：
0903006

Sipeed Lichee Tang Nano 20K FPGA RISCV Open-Source Retro-Game Linux MINI Development Board GW2AR-18

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