User Manual

 Silitek Coorperation
Confidential
SM-2065  4 9 
Operation Voltage:
Voltage supplied to presenter : 3 VDC (AAA battery *2)
Voltage supplied to Dongle
: 5 VDC
Operation Current:
USB Dongle : Under 5 VDC power supplied ,typical current is 18mA.
PC System Suspend current : 1mA
Maximum current of Pairing : 80 mA
Laser Point : 25~45 mA,
Output power of beam : under 1mW
Power consumption:
Typical power consumption of Presenter will be less than 40mW.
Typical power consumption of Dongle will be less than 100mW.
3.2 Circuitry Design
1.
Presenter :Radio transceiver-- Cypress LS RADIO TRANSCEIVER CYWUSB6934,QFN-48 pin
Functionality IC -- CY8C27443 PROGRAMMABLE ,28 pin SSOP .
2. USB Dongle: Radio transceiver-- Cypress LS RADIO TRANSCEIVER CYWUSB6934,QFN-48 pin
Functionality IC -- Cypress USB controller , CY8C27643 QSOP.
3.3 USB connector of Dongle
USB 1.1 connector consists of four conductors, one power conductor, one GND conductor and
two signal conductors and an overall shield.
USB 1.1 connector is the Low-speed connector which is a Series ‘A’ plug