Support MicrosoftR Windows 98; 2K; XP and VISTA keys.
Support 8 x 18 key scan matrix, up to 144 keys.
104 ~ 107 keys for standard keys of Windows OS.
3 ACPI key, 11 Multimedia keys, 7 Internet keys.
1 internet Navigation wheel (iNav), 2 navigation keys.
1 volume dial wheel.
Support battery low indicator with LED blinking.
2 x AA battery cells for power supply.
External EEPROM (93LC46) used for Channel; ID and RF test
memorizes
Operating Frequency : 8MHz.
RF Features
2.4GHz GFSK with two-way “SunplusIT Frequency Protocol”
coding with SPRF2400A RF transceiver.
High speed RF link data rate Max. 1M bit/s.
32 channels in 2 groups hopping channels form 2.405GHz ~
2.476GHz. (see section 5).
24 bits ID number (16777216 combinations): allows the
receiver to identify its Keyboard.
1 connect (bind) button for RF link sync or Auto connect while
Power on (batteries insert).
Supports RF link and data transfer status with a LED blinking.
Transmission range : 7 ~ 15 meters
Power Management Feature
Support 2.4GHz RF circuitry (or module) current in Power Down
modewhile left Normal mode.
External RC wake-up for iNav and volume dial wheel scanning
while MCU in sleep mode
Support 3 stages of operate mode for smart battery power saving
- Normal mode : when activity (keys-typing, buttons, iNav/
Volume wheel) is detected (under 6mA @3V)
- Idle mode : when inactivity (keys-typing; buttons, iNav/volume
dial event) after 3 Sec. (under 2mA @3V)
- Sleep mode : Idle mode occurred after 10 Sec. entrance
(under 50uA @3V)
Support keyboard book on protection while key pressed
continuing over 60 Sec.
Solutions
