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Silicon Labs CP210x: How do I handle unused pins on the CP2109?

CP21xx

Unused pins of CP2109 should be treated as follows.

Flow control pins (CTS, RTS, DSR, DTR, DCD, RI) Not connected (as described in the datasheet)
Suspend pin (SUSPEND, /SUSPEND) Not connected (as described in the datasheet)
VPP pin Not connected (as described in the datasheet)
NC pin Unconnected or connected to VDD (as specified in the datasheet)

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