Gowin LittleBee GW1N-9 Flash-Based FPGA Evaluation Board For Audio Applications

Gowin’s LittleBee® product family provides a compact solution for those looking for flash-based, non-volatile FPGAs with an abundance of logic resources, multiple I/O standards, embedded RAM, DSPs, PLLs, embedded security, and additional user flash.

This development board (DK-UAC2_GW1N-LV9LQ144C7I6_V2.0) uses the largest-spec model of the traditional (non-expanded) LittleBee FPGAs, the GW1N-9, with 8,640 LUT4 and 6,480 flip-flops. This model includes additional shadow SRAM at 17,280 bits of capacity, 468 kb block SRAM, 608 kb flash, and a maximum of 276 I/Os. As with others in the range, the GW1N-9 has the same characteristics of low power consumption, instant-start, low cost, non-volatility, high security, convenient and flexible usage, etc., which can effectively reduce the learning cost and help users to quickly integrate such devices.

This application-specific board features two USB 2.0 interfaces and the following audio peripherals:

  • 4x microphone chips, with support for I2C and I2S microphone inputs.
  • CS8416-CZZR 8-channel audio receiver chip
  • CS8406-CZZR digital audio interface chip
  • CS4344-CZZR stereo audio DAC chip
  • MAX98357AETE+T audio amplifier chip for 3.2 W output into 4Ω.

It also supports JTAG download and reserves GPIO interfaces, an LED, and keys to facilitate user testing. More information on this board and the LittleBee FPGAs can be provided if you are interested in evaluating this technology for use in a commercial application. Fill out the form below to get a conversation started with ipXchange and Gowin.

A more general-purpose evaluation board can be found here.

(All images sourced from Gowin)

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