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TI 公司的CC11x1-Q1是1GHz以下的低功耗分数N UHF器件,适用于ISM频段的315 MHz, 433 MHz, 868 MHz和915 MHz,稍加编程还可用在310-MHz到348-MHz, 387-MHz 到464-MHz和779-MHz 到928-MHz频段. CC11x1-Q1集成了高度可配置的基带调制解调器,支持各种调制格式,数据速率高达250kBaud,灵敏度高达C114 dBm,输出功率高达+10 dBm,工作温度高度125度C,主要用在315/433/868/915-MHz ISM/SRD频段的超低功耗无线应用,汽车服务连接,车库门开启器,TPMS系统以及遥控无线进入系统.本文介绍了CC11x1-Q1主要特性,简化方框图, 典型的315MHz/433MHz和868MHz/915MHz应用电路以及应用电路材料清单. Low-Power Sub-1-GHz Fractional-N UHF Device Family for Automotive The CC11x1-Q1 device family is designed for very low-power wireless applications. The circuits are mainly intended for the Industrial, Scientific and Medical (ISM) and Short Range Device (SRD) frequency bands at 315 MHz, 433 MHz, 868 MHz, and 915 MHz, but can easily be programmed for operation at other frequencies in the 310-MHz to 348-MHz, 387-MHz to 464-MHz, and 779-MHz to 928-MHz bands. The devices integrate a highly configurable baseband modem. The modem supports various modulation formats and has a configurable data rate up to 250 kBaud. CC11x1-Q1 family provides extensive hardware support for packet handling, data buffering, burst transmissions, clear channel assessment, link quality indication, and wake-on-radio. The main operating parameters and the 64-byte transmit/receive FIFOs can be controlled via an SPI interface. In a typical system, the devices are used together with a microcontroller and a few additional passive components. CC11x1-Q1主要特性: Qualification in Accordance With AEC-Q100 Grade 1 Extended Temperature Range Up To 125℃ Radio-Frequency (RF) Performance High Sensitivity (C114 dBm at 1.2 kBaud, 315 MHz, 1% Packet Error Rate) Low Current Consumption (15.5 mA in Receive, 1.2 kBaud, 315 MHz) Programmable Output Power up to +10 dBm for all Supported Frequencies Excellent Receiver Selectivity and Blocking Performance Programmable Data Rate From 1.2 kBaud to 250 kBaud Frequency Bands: 310 MHz to 348 MHz, 387 MHz to 464 MHz, and 779 MHz to 928 MHz Analog Features 2-FSK, GFSK, and MSK Supported, as Well as OOK and Flexible ASK Shaping Suitable for Frequency-Hopping Systems Due to a Fast Settling Frequency Synthesizer: 90-µs Settling Time Automatic Frequency Compensation (AFC) Can Align Frequency Synthesizer to Received Center Frequency Integrated Analog Temperature Sensor Digital Features Flexible Support for Packet-Oriented Systems: On-Chip Support for Sync Word Detection, Address Check, Flexible Packet Length, and Automatic CRC Handling Efficient SPI Interface: All Registers Can Be Programmed With One Burst Transfer Digital RSSI Output Programmable Channel Filter Bandwidth Programmable Carrier Sense (CS) Indicator Programmable Preamble Quality Indicator (PQI) for Improved Protection Against False Sync Word Detection in Random Noise Support for Automatic Clear Channel Assessment (CCA) Before Transmitting (for Listen-Before-Talk Systems) Support for Per-Package Link Quality Indication (LQI) Optional Automatic Whitening and Dewhitening of Data Low-Power Features Fast Startup Time: 240 µs From Sleep to Receive (RX) or Transmit (TX) Mode Wake-On-Radio Functionality for Automatic Low-Power RX Polling Separate 65-Byte RX and TX Data FIFOs (enables Burst Mode Data Transmission) General Few External Components: Completely On-Chip Frequency Synthesizer, No External Filters or RF Switch Needed Green Package: RoHS Compliant and No Antimony or Bromine Small Size QFN 5-mm×5-mm 32-Pin Package Suited for Systems Targeting Compliance With EN 300 220 (Europe) and FCC CFR Part 15 (US) Support for Asynchronous and Synchronous Serial Receive/ Transmit Mode for Backward Compatibility With Existing Radio Communication Protocols Designed for Automotive Applications CC11x1-Q1应用: Ultra-Low-Power Wireless Applications in the 315/433/868/915-MHz ISM/SRD Bands Remote Keyless Entry Systems Passive Entry/Passive Start Systems Vehicle Service Links Garage Door Opener TPMS Systems 应用电路材料清单(BOM): 详情请见: 
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