MRF24J40屬于RF/IF射頻/中頻RFID的射頻收發(fā)器模塊調(diào)制解調(diào)器。由微芯科技股份有限公司制造生產(chǎn)的MRF24J40射頻收發(fā)器模塊和調(diào)制解調(diào)器RF 收發(fā)器模塊用于發(fā)送和/或接收射頻信號。射頻系列/標(biāo)準(zhǔn)有藍牙、蜂窩、通用 ISM、GPS、導(dǎo)航、SiBeam、WiFi 和 802.15.4，頻率范圍為 70 MHz 至 65 GHz。數(shù)據(jù)速率為 600 bps 到 12.3 Gbps，功率輸出為 -10 dBm 到 54 dBm。

Features:

? IEEE 802.15.4? Standard Compliant

RF Transceiver

? Supports ZigBee?, MiWi?, MiWi P2P and

Proprietary Wireless Networking Protocols

? Simple, 4-Wire Serial Peripheral Interface (SPI)

? Integrated 20 MHz and 32.768 kHz Crystal

Oscillator Circuitry

? Low-Current Consumption:

- RX mode: 19 mA (typical)

- TX mode: 23 mA (typical)

- Sleep: 2 ?A (typical)

? Small, 40-Pin Leadless QFN 6x6 mm2 Package

RF/Analog Features:

? ISM Band 2.405-2.48 GHz Operation

? Data Rate: 250 kbps (IEEE 802.15.4);

625 kbps (Turbo mode)

? -95 dBm Typical Sensitivity with +5 dBm

Maximum Input Level

? +0 dBm Typical Output Power with 36 dB

TX Power Control Range

? Differential RF Input/Output with Integrated

TX/RX Switch

? Integrated Low Phase Noise VCO, Frequency

Synthesizer and PLL Loop Filter

? Digital VCO and Filter Calibration

? Integrated RSSI ADC and I/Q DACs

? Integrated LDO

? High Receiver and RSSI Dynamic Range

MAC/Baseband Features:

? Hardware CSMA-CA Mechanism, Automatic

Acknowledgement Response and FCS Check

? Independent Beacon, Transmit and GTS FIFO

? Supports all CCA modes and RSSI/ED

? Automatic Packet Retransmit Capability

? Hardware Security Engine (AES-128) with CTR,

CCM and CBC-MAC modes

? Supports Encryption and Decryption for MAC

Sublayer and Upper Layer