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1FEATURES

2? 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 Timer:

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

APPLICATIONS

? Sports and Fitness Equipment

? Health and Medical Equipment

? Consumer Health Devices

? Consumer Electronics

DESCRIPTION

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.