Receiver; Operating Voltage; Current Consumption; Function Description - LiteOn SK-7260 User Manual

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*These controls are currently supported in Windows Me only.

3.2 Receiver

3.2.1 Operating voltage

Voltage supplied to keyboard: 5+/-0.25 VDC
With ripple lower than 150mv, and capable of supply load current up to 100
mA with voltage drop less than 0.25 VDC

Current consumption

Under nominal 5 VDC power supplied, typical current
operating is 10 mA and 15 mA at maximum.
Power consumption
Under normal operation, the power consumption of total unit will be less
than
3.2.2 Circuitry
PCB Incl
base band controller , two 3361 IF chips for RF receiving function and a EEPROM
93C46 for ID memory.
There are put on to a double side PCB.
Cable connector :
6 pin PS2 min-DIN connector compatible with IBM PS2 spec..
LED indicators
There are four indicators(green) on the receiver included
NumLock ,CapLock,ScroLock and Receiving Data LEDs. The data indicator
will be ON only when data is receiving from the transmitter.

3.3 Function description

3.3.1 Interface specification with host PC

The keyboard Receiver uses IBM PS2 interface to PC host in data
SK-7260 RF WIRELESS KEYBOARD
E0 6A E0 EA
E0 69 E0 E9
E0 66 E0 E6
E0 65 E0 E5
E0 67 E0 E7
ude a MosArt's microprocessor MA6135 (Keyboard + Mouse ) as a
E0 38 E0 F0 38
E0 30 E0 F0 30
E0 18 E0 F0 18
E0 10 E0 F0 10
E0 20 E0 F0 20
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