Texas Instruments CC11 1-Q1 Series Manual

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Low-Power Sub-1-GHz Fractional-N UHF Device Family for Automotive

1 Introduction

1.1

Features

12
• Qualification in Accordance With AEC-Q100
Grade 1
• Extended Temperature Range Up To 125°C
• Radio-Frequency (RF) Performance
– High Sensitivity (–114 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,
420 MHz to 450 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
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
SmartRF is a registered trademark of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
SWRS076B – 11-07-22-013 - APRIL 2009 – REVISED APRIL 2010
– 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 64-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 Compliant 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
1.2

Applications

• 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
Copyright © 2009–2010, Texas Instruments Incorporated
CC11x1-Q1