BK2421
BK2421 is Low Power High Performance 2.4 GHz GFSK Transceiver manufactured by Beken.
Features
Pin Assignments
- 2400-2483.5 MHz ISM band operation
- Support 1 and 2 Mbps air data rate
- Programmable output power
(-40d Bm to 5d Bm)
- Low power consumption
- Tolerate +/- 60ppm 16 MHz crystal
- Variable payload length from 1 to 32bytes
- Automatic packet processing
- 6 data pipes for 1:6 star networks
- 1.9V to 3.6V power supply
- 4-pin SPI interface with maximum 8 MHz clock rate
- pact 20-pin 4x4 mm QFN package
Applications
- Wireless PC peripherals
- Wireless mice and keyboards
- Wireless gamepads
- Wireless audio
- VOIP and wireless headsets
Block Diagram
VSS CDVDD VDD 20 19 18
VSS IREF 17 16
CE 1 CSN 2 SCK 3 MOSI 4 MISO 5
15 VDD 14 VSS 13 RFN 12 RFP 11 VDDPA
6 7 8 9 10 IRQ VDD VSS XTALP XTALN
- Remote controls
- Consumer electronics
- Home automation
- Toys
- Personal health and entertainment
RFP RFN
FM Demodulator
Data Slicer
Integrated TDD...
