nRF24AP2
nRF24AP2-USB
Single-chip ANT
TM
ultra-low power
wireless network solution
Product Specification v1.0
Key Features
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Second generation single chip ANT solution
Bridge from ANT networks and devices to
computers, Macs, and the internet
nRF24AP2- USB supports up to eight ANT
(logic) channels – ideal for hubs
World wide 2.4 GHz ISM band operation
USB v2.0 interface
Fully embedded, enhanced ANT protocol stack
Built-in device search and pairing
Built-in timing and power management
Built-in interference handling
Configurable channel period 5.2 ms - 2 s
Broadcast, Acknowledged and Burst
communication modes
Burst data rate up to 20 kbps
Simple to complex network topologies:
Peer-to-peer, star, tree and practical mesh
Supports public, private and managed networks
Support for ANT+ device profile
implementations enabling multivendor
interoperability
Fully interoperable with nRF24AP1,
Dynastream ANT chipset / module based prod-
ucts and other nRF24AP2 variants
RoHS compliant 5x5 mm 32-pin QFN package
Low cost external 16 MHz crystal
Applications
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Sports
Wellness
Home health monitoring
Home/industrial automation
Environmental sensor networks
Active RFID
Logistics/goods tracking
Audience-response systems
All rights reserved. ANT
TM
is a trademark of Dynastream Innovation Inc.
Reproduction in whole or in part is prohibited without the prior written permission of the copyright holder.
April 2010
nRF24AP2-USB Product Specification
Liability disclaimer
Nordic Semiconductor ASA reserves the right to make changes without further notice to the product to
improve reliability, function or design. Nordic Semiconductor ASA does not assume any liability arising out
of the application or use of any product or circuits described herein.
All application information is advisory and does not form part of the specification.
Limiting values
Stress above one or more of the limiting values may cause permanent damage to the device. These are
stress ratings only and operation of the device at these or at any other conditions above those given in the
specifications are not implied. Exposure to limiting values for extended periods may affect device reliability.
Life support applications
Nordic Semiconductor’s products are not designed for use in life support appliances, devices, or systems
where malfunction of these products can reasonably be expected to result in personal injury. Nordic Semi-
conductor ASA customers using or selling these products for use in such applications do so at their own
risk and agree to fully indemnify Nordic Semiconductor ASA for any damages resulting from such improper
use or sale.
Datasheet status
Objective product specification
This product specification contains target specifications for Nordic
Semiconductor’s product development.
Preliminary product specification This product specification contains preliminary data; supplementary
data may be published from Nordic Semiconductor ASA later.
Product specification
This product specification contains final product specifications. Nordic
Semiconductor ASA reserves the right to make changes at any time
without notice in order to improve design and supply the best possible
product.
Contact details
For your nearest dealer, please see
www.nordicsemi.com.
Main office:
Otto Nielsens veg 12
7004 Trondheim
Phone: +47 72 89 89 00
Fax: +47 72 89 89 89
www.nordicsemi.com
Revision 1.0
Page 2 of 44
nRF24AP2-USB Product Specification
RoHS statement
This product meets the requirements of Directive 2002/95/EC of the European Parliament and of the
Council on the Restriction of Hazardous Substances (RoHS). Complete hazardous substance reports as
well as material composition reports for all active Nordic products can be found on our web site
www.nordicsemi.com.
Revision History
Date
April 2010
Version
1.0
Description
Product Specification
Revision 1.0
Page 3 of 44
nRF24AP2-USB Product Specification
Contents
1
1.1
1.2
2
2.1
2.2
2.3
2.4
2.4.1
2.4.2
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3.1
3.2
4
4.1
4.2
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
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5.1
5.2
5.3
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.3.7
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6.1
6.2
6.3
6.3.1
6.3.2
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8.1
8.2
Introduction ...............................................................................................
Prerequisites ........................................................................................
Writing conventions ..............................................................................
Product overview ......................................................................................
Features ...............................................................................................
Block diagram ......................................................................................
Pin Assignments ..................................................................................
Pin Functions .......................................................................................
Power supply pins ...........................................................................
Reset pin .........................................................................................
RF transceiver ...........................................................................................
Features ...............................................................................................
Block diagram ......................................................................................
ANT overview ............................................................................................
Block diagram ......................................................................................
Functional description ..........................................................................
ANT nodes.......................................................................................
ANT channels ..................................................................................
ANT channel configuration ..............................................................
Proximity search ..............................................................................
Continuous scanning mode .............................................................
ANT network topologies ..................................................................
ANT message protocol ....................................................................
Host interface ............................................................................................
Features ...............................................................................................
Block diagram ......................................................................................
Functional description ..........................................................................
Physical USB connection ................................................................
USB enumeration ............................................................................
USB descriptors...............................................................................
String descriptors.............................................................................
Customize descriptors .....................................................................
Control transfer ................................................................................
Host Command flow .......................................................................
On-chip oscillator......................................................................................
Features ...............................................................................................
Block diagram ......................................................................................
Functional description ..........................................................................
16 MHz crystal oscillator..................................................................
External 16 MHz clock .....................................................................
Operating conditions ................................................................................
Electrical specifications ...........................................................................
USB interface .......................................................................................
DC Electrical characteristics ...............................................................
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Revision 1.0
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nRF24AP2-USB Product Specification
8.3
Current consumption ............................................................................
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Absolute maximum ratings ......................................................................
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Mechanical specification..........................................................................
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Reference circuitry....................................................................................
11.1
PCB guidelines.....................................................................................
11.2
Schematics...........................................................................................
11.3
Layout ..................................................................................................
11.4
Bill Of Materials (BOM) ........................................................................
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Ordering information ................................................................................
12.1
Package marking .................................................................................
12.1.1
Abbreviations ...................................................................................
12.2
Product options ....................................................................................
12.2.1
RF silicon .........................................................................................
12.2.2
Development tools ...........................................................................
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Glossary.....................................................................................................
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