OVERVIEW

The MRF24J40 is an IEEE 802.15.4-2003 compliant transceiver supporting MiWi?, ZigBee? and other proprietary protocols. The MRF24J40 integrates wireless RF, PHY layer baseband and MAC layer architectures that can be combined with a simple microprocessor to apply low data rate to a multitude of applications that include home automation, consumer electronics, PC peripherals, toys, industrial automation and more. The MRF24J40 device integrates a receiver, transmitter, VCO and PLL into a single integrated circuit. It uses advanced radio architecture to minimize external part count and power consumption.

Features:

? Complete IEEE 802.15.4 Specification Compliant

? Supports MiWi?, ZigBee? and Proprietary Protocols

? Simple, 4-Wire SPI Interface

? Integrated 20 MHz and 32.768 kHz Oscillator Drive

? 20 MHz Reference Clock Output: - Available to drive microcontroller oscillator

? Supports Power-Saving mode

? Low-Current Consumption, Typical 18 mA in RX mode and 22 mA in TX mode

? Typical 2 μA Sleep mode

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

RF/Analog Features:

? ISM Band 2.405-2.48 GHz Operation

? -91 dBm Typical Sensitivity and +5 dBm Maximum Input Level

? +0 dBm Typical Output Power and 38.75 dB TX Power Control Range

? Differential RF Input/Output and 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 ACK Response and FCS Check

? Independent Beacon, Transmit and GTS FIFO

? Hardware Security Engine (AES-128) with CTR, CCM and CBC-MAC modes

? Supports all CCA modes and RSS/LQI

? Automatic Packet Retransmit Capability

? Supports In-Line or Stand-Alone modes for both Encryption and Decryption

MRF24J40-I屬于RF/IF，射頻/中頻和 RFID > 射頻收發(fā)器 IC。微芯科技股份有限公司制造生產(chǎn)的MRF24J40-I射頻收發(fā)器 IC射頻收發(fā)器 IC 是將發(fā)射器和接收器集成于單個封裝的半導(dǎo)體器件。收發(fā)器適用于各種射頻系列產(chǎn)品或標準，例如 AISG、藍牙、ISM、VHF、Wi-Fi、蜂窩、雷達、802.15.4 和 Z-Wave。此產(chǎn)品可根據(jù)調(diào)制類型和特定協(xié)議版本進一步分類。部分 IC 包含內(nèi)置微控制器。