LILYGO’s T-FPGA – An M.2-Formated Dev Board with ESP32-S3 and Gowin GW1NSR FPGA

12 February 2024

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The LILYGO T-FPGA improvement package options an M.2 module with ESP32-S3 WiFi/Bluetooth and Gowin GW1NSR-4C FPGA (4,608 LUTs), plus a provider board with 18650 battery holder. It gives USB-C OTG for ESP32-S3, a USB-C port for FPGA, 4 Pmod interfaces, a STEMMA Qt/Qwiic connector, pins for 3.3V and GND, and a 20-pin I/O header for in depth connectivity and enlargement choices.

Wi-fi MCU: Espressif ESP32-S3R8 with AI acceleration, 512KB RAM, 8MB PSRAM.
Storage: 16MB flash.
FPGA: Gowin GW1NSR-LV4C with 4,608 LUTs, 256Kb flash, 64Mb PSRAM, Hyperflash, NOR flash.
Connectivity: Wi-Fi 4, BLE 5.0, ceramic and u.FL antenna help.
USB: 1x Sort-C OTG, 1x Sort-C FPGA.
Host Interface: M.2 Key-B connector.
Enlargement: SPI, JTAG, 3.3V, GND connector.
Misc: Buttons for boot/reset/energy (ESP32-S3), consumer (FPGA), energy LED, 2x consumer LEDs.
Energy: 5V through USB-C or M.2, AXP2101 PMIC.
Dimensions: 60 x 42 mm.
T-FPGA Protect Specs:
- Pmod Interfaces: 4x Pmod interfaces for modular expansions.
- STEMMA Qt/Qwiic Connector: 4-pin connector for I2C modules.
- 20-Pin Header: Consists of I/Os, VBUS, VLDO, GND.
- Energy: 18650 battery holder for standalone energy provide.
- Voltage Pins: 6-pin header for 3.3V, 6-pin header for GND.
- Dimensions: 120 x 32 x 22 mm for compact integration.

LILYGO gives pattern codes for ESP32-S3 (Arduino) and Gowin FPGA (Verilog) for LED management through I2C/SPI and direct FPGA LED blinking. Obtainable on GitHub, these embrace schematics and setup guides for Arduino IDE and Gowin EDA. The T-FPGA might be supported by the open-source Yosys toolchain through the Apicula undertaking.

LILYGO sometimes offers minimal documentation, so when you’re new to Gowin FPGAs, it’s in all probability to begin with one thing just like the Sipeed Tang Nano 20K, 9K, or 4K. If an FPGA board with a WiFi and Bluetooth MCU appears like one thing helpful, the total T-FPGA improvement package with the ESP32-S3+Gowin FPGA module, provider board, and several other headers may be bought on Aliexpress for $28.98 together with delivery.

You should buy the T-FPGA from LILYGO on AliExpress for $23.62. The provider board is bought individually for $9.75. Nevertheless, a bundled supply for each is accessible at $28.12, delivery included.

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