... , Single-cycle Access at Maximum Speed Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL Supports ... 3.20, 3.43, 3.69, 4.00, 4.36, 4.80, 5.34 ... (/dev/usb/tts/X of COM-4,5,6,X) No power supply required 7 cardreaders in usb hub Wholesale - Smargo Card reader Smart Reader