https://github.com/sdtelectronics/xassette-iot
Versatile card computer based on MT76x8
https://github.com/sdtelectronics/xassette-iot
Last synced: 6 months ago
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Versatile card computer based on MT76x8
- Host: GitHub
- URL: https://github.com/sdtelectronics/xassette-iot
- Owner: SdtElectronics
- Created: 2021-08-07T12:39:46.000Z (almost 5 years ago)
- Default Branch: master
- Last Pushed: 2021-11-03T09:02:53.000Z (over 4 years ago)
- Last Synced: 2025-04-12T22:09:16.902Z (over 1 year ago)
- Size: 4.58 MB
- Stars: 7
- Watchers: 1
- Forks: 5
- Open Issues: 1
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Metadata Files:
- Readme: README.md
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README
# Xassette IoT
## 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 with default firmware
2. Shared with onboard NOR flash
3. Supports SDXC up to 2TB
## Flashing New Firmware
* See [Guide on Firmware](docs/fwGuide.md)
## Build New Firmware From Source
* See [Build From Scratch](docs/buildingGuide.md)
## Schematic
PDF format is available at [hw/anBreakout.pdf](hw/anBreakout.pdf)
Note: `IOxx` in the schematic as well as the silk numbers onboard correspond to the GPIO indices in the table below.
## Board Gerber
See [Releases](https://github.com/SdtElectronics/Xassette-IoT/releases/)
## Errata
In v0.2
* Silk text error: MDI1 should be MDI2
* Net error: 1V8 is not connected
* Annotation and silk text error: pin45 should be pin12
* Annotation and silk text error: pin46 should be pin13