Amontec JTAGkey
USB ID 0403:cff8 · Future Technology Devices International, Ltd
| Vendor | Future Technology Devices International, Ltd |
|---|---|
| Vendor ID | 0403 |
| Device ID | cff8 |
| Windows hardware ID | USB\VID_0403&PID_CFF8 |
| Linux modalias | usb:v0403pCFF8 |
| Linux driver | ftdi_sio |
Frequently asked questions
Which device has USB ID 0403:cff8?
USB ID 0403:cff8 is “Amontec JTAGkey” made by Future Technology Devices International, Ltd (vendor ID 0403, device ID cff8).
Which Linux driver supports Amontec JTAGkey?
In Linux kernel 6.12 the device is bound to the driver ftdi_sio (source under drivers/usb/serial). The driver is normally loaded automatically when the device is detected.
How do I check whether Amontec JTAGkey is in my computer?
On Linux, lsusb -d 0403:cff8 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_0403&PID_CFF8.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.
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