pi@raspberrypi ~ $ lsusb -v | grep -iP "Transfer Type.*(Interrupt|Isochronous)" | wc -l
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
31
pi@raspberrypi ~ $ lsusb -v | grep "Transfer Type"
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
          Transfer Type            Interrupt
          Transfer Type            Interrupt
          Transfer Type            Interrupt
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
          Transfer Type            Bulk
          Transfer Type            Bulk
          Transfer Type            Interrupt
          Transfer Type            Interrupt
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Interrupt
          Transfer Type            Isochronous
          Transfer Type            Isochronous
          Transfer Type            Isochronous
          Transfer Type            Isochronous
          Transfer Type            Isochronous
pi@raspberrypi ~ $ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp.
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.
Bus 001 Device 004: ID 0409:0058 NEC Corp. HighSpeed Hub
Bus 001 Device 005: ID 0471:0329 Philips (or NXP) SPC 900NC PC Camera / ORITE CCD Webcam(PC370R)