Versatile card computer based on MT76x8

Github repository

Hardware Resources

  • SoC: MediaTek MT7628 1xMIPS 24Kc@580Mhz
  • RAM: 64MB DDR2
  • ROM: 8M SPI flash EN25Q64
  • WLAN: 802.11n, 2T2R, speed up to 300Mbps
  • EPHY: 5×100M with 2 onboard RJ-45 ports
  • USB: 1×USB2.0 HS
  • Connectivity: 2×UART¹, 1×I2C, 1×I2S, 1×SPI², 1×SDIO³, 4×PWM

Note:

  1. UART1 is used as debug serial at baud rate 57600
  2. Shared with onboard NOR flash
  3. Supports SDXC up to 2TB

Schematic

sch

Note: IOxx in the schematic as well as the silk numbers onboard correspond to the GPIO indices in the table below.

pinmux

PDF format is available at hw/anBreakout.pdf

Board Gerber

See Releases

Flashing New Firmware

See Guide on Firmware

Errata

In v0.2

  • Silk text error: MDI1 should be MDI2
  • Net error: 1V8 is not connected