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TTL-232R-3V3,TTL-232R-5Vのピン配置

Posted at

TTL-232R-xxxってなに

USB-RS232の変換ケーブル。
めっちゃ便利でよく使う。
TTL-232R-5Vが5Vロジックで、TTL-232R-3V3が3.3Vロジック。
ただしVCCは両方とも5Vだ。

M-05841.jpg
http://akizukidenshi.com/catalog/g/gM-05841/

よく使う割に、ピン配置覚えてないのでメモる。

ピン配置

ピン番号 信号
1 GND
2 CTS
3 5V
4 TXD
5 RXD
6 RTS

以上

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