TMLC-U2T 是 USB To TTL 的縮寫!! (可作為一般TTL使用,亦可作為一鍵自動轉下載模式燒入器)
這個產品設計的初衷是當每次在設計Soc (ESP-xxx、Ameba RTL...) 電路板的時候都會發現USB To TTL同樣的電路總是出現在原理圖上,尤其在設計小尺寸的電路時,這個電路佔用了很大一個位置,尤其是在目前疫情中,元器件供貨緊張的環境下,還得增加成本,於是我們就想著如何解決~
終於!! 我們發現了近期產品上都有一個特點,那就是帶有TYPE-C的USB接頭,於是我們基於此特點,單獨將CP2102的USB接頭晶片和自動下載模式電路結合設計成USB轉接器~
我們將從2023新的產品開始(例如:SkidLoader小車、MiniCubeLED、MeWatch-Matrix/TFT...),主板(Main Board)上不再帶有重複的USB To TTL電路,而你也只需要一個 TMLC-U2T 就能用 Trouble Maker 出版的套件/主板,同時此專案也是開源的產品,其他有USB To TTL電路產品也可以設計兼容 TMLC-U2T ,這樣不僅能節省電路板空間還能節省成本~
接線參考鏈接:TMLC-U2T
參數:
- 成品尺寸: 26.5*12.5*6 mm
- 晶片型號: CP2102-GMR
- 波特率: 300 bps to 1 Mbps
- 一鍵自動轉下載(BOOT)模式
- RESET、BOOT按鍵
- 電源、TX/RX訊號指示燈
- Type-C公、母頭(16P)
應用場景:
- 需要USB To TTL的開發板模組
- 可依需求再外接24P TYPE-C母座測試板+2.54雙排排針
- 完全兼容LILYGO®T-U2T 且價格更低
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