精品国产99久久久久久www_亚洲精彩视频在线观看的_性欧美婬妇ⅹxxx视频_里番肉工口全彩老师_a天堂最新在线观看_精品国产在天天在线观看_免费看那种视频_樱桃电视剧全集播放_成人性视频免费看的鲁片_中国伦理影院

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