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OP8666 USB 2.0 FS OTG

Owned by Sylvain Ménard
Last updated: Mar 11, 2023
1 min read

The OP8666 supports a USB 2.0 full speed (FS) On-the-Go (OTG) communications via a USB-A connector.
The microcontroller has an internal USB 2.0 Full Speed PeHY for communication over the USB protocol.

The OP8666 can be configured as:

  • USB Host: To connect to other devices, such as USB Mass Storage devices for data storage.
  • USB Device: To connect to a host system, where the OP8666 is a mass storage, HID or other such device.

Connections with Microcontroller

USB Signal

Controller Pin Name

Controller Pin

USB-DM

GPIO42

D19

USB-DP

GPIO43

C19

USB_ID

GPIO47

E18

USB_VBUS

GPIO46

E19

USB_EPEN

GPIO121

W16

USB_PFLT

GPIO120

U15

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