nRF24AP2
nRF24AP2-1CH, nRF24AP2-8CH
Single-chip ANT
TM
ultra-low power
wireless network solution
Product Specification v1.2
Key Features
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Second generation single chip ANT solution
nRF24AP2-1CH supports 1 ANT (logic)
channel – ideal for sensors
nRF24AP2-8CH supports up to eight ANT
(logic) channels – ideal for hubs
World wide 2.4 GHz ISM band operation
Fully embedded, enhanced ANT protocol stack
True ultra-low power operation
Typically years of battery lifetime on a coin cell
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 and
Dynastream ANT chipset / module based
products and other nRF24AP2 variants
Simple asynchronous/ synchronous host
interface
Single 1.9 - 3.6V power supply
RoHS compliant 5×5 mm 32-pin QFN package
Low cost external 16 MHz crystal
Optional on-chip 32.768 kHz crystal oscillator
Applications
•
•
•
•
•
•
•
•
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.
June 2010
nRFAP2 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
Semiconductor 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 1.2
2
nRFAP2 Product Specification
RoHS statement
Nordic Semiconductor’s products 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 Semiconductor products can
be found on our web site
www.nordicsemi.com.
Revision History
Date
April 2010
June 2010
Version
1.1
1.2
Description
Updated schematics. Added section
2.4.1
on page 12,
updated sections
8.1 on page
43
and
8.2 on page 46.
Updated
sections 2.1 on page 8
and
2.4 on
page 11, Table 4. on page 22, section 4.2.2
on page 16, section 8.1 on page 43,
and
chapter 11 on page 49.
Revision 1.2
3
nRFAP2 Product Specification
Contents
1
Introduction .................................................................................................6
1.1
Prerequisites.........................................................................................6
1.2
Writing conventions ..............................................................................6
2
Product overview ........................................................................................7
2.1
Features................................................................................................8
2.2
Block diagram .......................................................................................9
2.3
Pin Assignments ...................................................................................10
2.4
Pin Functions ........................................................................................11
2.4.1
Reset pin ..........................................................................................12
3
RF Transceiver ............................................................................................13
3.1
Features................................................................................................13
3.2
Block diagram .......................................................................................14
4
ANT overview...............................................................................................15
4.1
Block diagram .......................................................................................15
4.2
Functional description...........................................................................15
4.2.1
ANT nodes .......................................................................................15
4.2.2
ANT channels...................................................................................16
4.2.3
ANT channel configuration ...............................................................17
4.2.4
Proximity search...............................................................................19
4.2.5
Continuous scanning mode..............................................................20
4.2.6
ANT network topologies ...................................................................20
4.2.7
ANT message protocol.....................................................................21
5
Host interface ..............................................................................................23
5.1
Features................................................................................................23
5.2
Asynchronous serial interface ............................................................23
5.2.1
Block diagram...................................................................................23
5.2.2
Baud rate..........................................................................................24
5.2.3
Asynchronous Port Control (
RTS
)......................................................24
5.2.4
Sleep enable
(SLEEP) ...................................................................................... 25
5.2.5
Suspend mode control (
SUSPEND
) .....................................................25
5.3
Synchronous serial interface ................................................................26
5.3.1
Block diagram...................................................................................26
5.3.2
Flow Control Select (
SFLOW
)..............................................................27
5.3.3
Synchronous interface handshaking ................................................27
5.3.4
Synchronous messaging with byte flow control................................29
5.3.5
Synchronous timing with byte flow control .......................................31
5.3.6
Synchronous messaging with bit flow control...................................31
5.3.7
Serial enable control.........................................................................33
6
On-chip oscillator........................................................................................34
6.1
Features................................................................................................34
6.2
Block diagrams .....................................................................................34
6.3
Functional description...........................................................................35
6.3.1
16 MHz crystal oscillator ..................................................................35
Revision 1.2
4
nRFAP2 Product Specification
6.3.2
External 16 MHz clock......................................................................36
6.3.3
32.768 kHz crystal oscillator.............................................................36
6.3.4
Synthesized 32.768 kHz clock .........................................................36
6.3.5
External 32.768 kHz clock................................................................37
7
Operating conditions ..................................................................................38
8
Electrical specifications .............................................................................40
8.1
Current consumption ............................................................................43
8.2
Current calculations examples..............................................................46
9
Absolute maximum ratings ........................................................................47
10 Mechanical specification ............................................................................48
11 Reference circuitry......................................................................................49
11.1
PCB guidelines .....................................................................................49
11.2
Synchronous (bit) mode schematics.....................................................50
11.3
Layout ...................................................................................................51
11.4
Synchronous (byte) mode schematics..................................................52
11.5
Layout ...................................................................................................53
11.6
Asynchronous mode schematics ..........................................................54
11.7
Layout ...................................................................................................55
11.8
Bill Of Materials (BOM) .........................................................................55
12 Ordering information ..................................................................................56
12.1
Package marking ..................................................................................56
12.1.1
Abbreviations....................................................................................56
12.2
Product options.....................................................................................56
12.2.1
RF silicon..........................................................................................56
12.2.2
Development tools............................................................................57
13 Glossary .......................................................................................................58
Revision 1.2
5
电源技术
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
