PQI Intellient Stick Pro 220 - Manual (Page 7)

Intelligent Stick™
Rev. A.1 4/5 Jan 2007
1 2 3 4
7. Recommended Operating Conditions
Symbol Parameter Min. Typical Max. Units
Vcc 33 Power Supply Voltage 3.0 3.3 3.3 V
Vin Input Voltage 0 Vcc Vcc+0.3 V
Vcc 25 Internal Power Support 2.25 2.5 2.75 v
8. Pin Assignments
Pin No. Pin Name Function
1 VCC USB power input
2 USB D- USB differential signal
3 USB D+ The pairs are used to transmit Data/Address/Command
4 VSS Ground