Document
BK2425
Low Power High Performance 2.4 GHz GFSK Transceiver
Features
Pin Assignments
2400-2483.5 MHz ISM band operation Support 250Kbps, 1Mbps and 2 Mbps air
data rate Programmable output power 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 20-pin 4x4mm QFN package
Applications
NC CDVDD VDD VSS VDD 20 19 18 17 16
CE 1 CSN 2 SCK 3 MOSI 4 MISO 5
BK2425
15 VDD 14 VSS 13 RF 12 NC 11 NC
6 7 8 9 10 IRQ NC NC XO XI
Wireless PC peripherals Wireless gamepads Wireless audio Remote controls Home automation Toys
Block Diagram
RFP RFN
Integrated TDD RF
Transceiver
FM Demodulator
Power Management
FM Modulator
Data Slicer
Gaussian shaping
XTALP XTALN
Rx FIFO
Packet Processing & State Control
Tx FIFO
Register banks
SPI Interface
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