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VQFN (RHA) 40 36 mm² 6 x 6 open-in-new Find other Other wireless technologies


  • RF Section
    • Single-Chip 2.4-GHz Radio, Including Embedded ANT Protocol
    • Excellent Link Budget, Enabling Long Range Without External Front-Ends
    • Excellent Output Power (4 dBm)
    • Suitable for Systems Targeting Compliance With Worldwide Radio Frequency
      Regulations: ETSI EN 300 328 and EN 300 440 Class 2 (Europe), FCC CFR47
      Part 15 (US), and ARIB STD-T66 (Japan)
    • Accurate Full-Range RSSI Function, Especially Suited for Accurate Proximity Pairing
  • Layout
    • Few External Components
    • Reference Designs Available
    • 40-Pin, 6-mm × 6-mm QFN Package
  • Low Power
    • Powered Down With Low-Power Times: 1 µA
    • Powered Down Without Timer: 0.5 µA
    • Wide Supply Voltage Range (2 V–3.6 V)
  • ANT Protocol Support
    • Fully Compatible With the ANT and ANT+™ Protocols and Existing ANT Devices
    • Built-In ANT-FS™ Support
    • Easy Connection to Host MCU Through Asynchronous or Synchronous Serial Interface
    • CC2570 Supports One ANT Channel
    • CC2571 Supports Eight ANT Channels
    • Support for Both Public, Private and Managed ANT Networks
    • Support for High-Resolution Proximity Pairing
    • Sports and Fitness Equipment
    • Health and Medical Equipment
    • Consumer Health Devices
    • Consumer Electronics

ANT, ANT-FS are trademarks of Dynastream Innovations Inc.

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The CC2570 and CC2571 are ANT RF network processors that implement the easy-to-use, power-efficient ANT protocol. The CC2570 supports one ANT channel, whereas the CC2571 supports eight ANT channels. The CC2570/71 can be connected to a host MCU (such as an MSP430) through a UART or SPI serial interface and accessed through a set of API calls. The majority of the ANT protocol is built into the CC2570/71, including the ANT-FS file system functionality; only the application and profile layers must reside on the host MCU, thus keeping host MCU memory requirements to a minimum.

The ANT protocol has been designed to be very power-efficient, yet is flexible enough to support various network topologies (point-to-point, star, connected star, 1-to-N, and N-to-1) and data transfer modes (broadcast, acknowledged, burst data transfer). Each logical ANT channel can be independently configured for one-way or two-way operation, depending on requirements of the application.

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CC2571 ACTIVE 8-channel ANT™ RF Network Processors This product offers 8-channel ANT.

Technical documentation

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Type Title Date
* Data sheet CC2570, CC2571 1- and 8-channel ANT™ RF Network Processors datasheet (Rev. A) Mar. 16, 2011
Technical article Bluetooth® Low Energy shifts gears for car access Jul. 15, 2019
Technical article An out-of-the-box Internet of Things: building a seamless and secure smart home network Jun. 12, 2018
Technical article Thread vs. Zigbee – what’s the difference? May 16, 2018
Technical article Your microcontroller deserves a nap – designing “sleepy” wireless applications Mar. 28, 2018
Application note AN081 -- Johanson Technology Balun Optimized for CC253X, CC254X, CC257X, CC853X (Rev. B) Nov. 06, 2012
Application note AN107 - Murata Balun for CC253x and CC254x, LFB182G45BG2D280 (Rev. A) Oct. 26, 2011
More literature Ant Brochure Sep. 20, 2010

Design & development

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Design tools & simulation

SWRC225.ZIP (650 KB)

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