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03/26/09
MRF24J40MA/MB PICtail ? /PICtail Plus
Daughter Board
Overview
The MRF24J40MA/MB PICtail?/PICtail Plus Daughter Board is a demonstration and development
daughter board for the following modules:
? MRF24J40MA IEEE 802.15.4 2.4 GHz RF Transceiver module (AC164134-1)
? MRF24J40MB 2.4 GHz IEEE 802.15.4 20 dBm RF Transceiver module (AC164134-2)
The daughter board can plug into multiple Microchip Technology demonstration and development
boards. For example, the board is appropriate for 8-bit microcontroller development using the
PIC18 Explorer Board (DM183032) or for 16-bit microcontroller development using the Explorer 16
Development Board (DM240001).
User ’s Guide
The MRF24J40MA/MB PICtail/PICtail Plus Daughter Board User ’s Guide (DS51867) is avail-
able for download at http://www.microchip.com/wireless. The User ’s Guide contains more detailed
information on the features, operation, schematics and the PCB (Printed Circuit Board).
Software
Sample source code is available from the Microchip Wireless Design Environment: Microchip
Wireless Media Access Controller (MiMAC) and Microchip Wireless Application Programming
Interface (MiApp), as described in application notes AN1283 and AN1284, respectively. A Quick
Start Guide is included in the software installation package that explains the installation and
operation of the demonstration program. The Quick Start Guide is available for download from the
Microchip web site http://www.microchip.com/wireless.
Operation
Programming and configuration options for the MRF24J40MA and MRF24J40MB transceiver
modules are provided in the MRF24J40 IEEE 802.15.4 2.4 GHz RF Transceiver Data Sheet
(DS39776) .
Sample source code is the best place to start. Refer to the compile options when enabling the
MRF24J40MA and MRF24J40MB transceiver modules.
IMPORTANT
The MRF24J40MB module contains a power amplifier (PA) and low noise amplifier (LNA). It is
important that the MRF24J40 be configured to control the PA and LNA. Refer to Section 4.2
External PA/LNA Control in the MRF24J40 IEEE 802.15.4 2.4 GHz RF Transceiver Data
Sheet (DS39776). When using the sample source code, refer to the compile options to enable
the PA and LNA.
CAUTION
Voltage and current to the MRF24J40MA/MB PICtail/PICtail Plus Daughter Board should be in
the range of 2.4-3.6V and capable of supplying 130 mA. Ensure that the daughter board is
plugged into a development/demonstration board that meets this power requirement; otherwise,
Microchip Technology Inc. ? 2355 West Chandler Blvd. ? Chandler, AZ 85224-6199
www.microchip.com
The Microchip name and logo, the Microchip logo and MPLAB are registered trademarks of Microchip Technology Incorpo-
rated in the U.S.A. and other countries. PICkit is a trademark of Microchip Technology Incorporated in the U.S.A. and other
countries. All other trademarks mentioned herein are property of their respective companies. ? 2009, Microchip Technology
Incorporated, Printed in the U.S.A. All Rights Reserved. 7/09
*DS51870A* DS51870A
damage to the MRF24J40 may occur.
Jumper Configuration
Power Disconnect/Current Measure Jumpers (JP1/JP2) – Two, 2-pin headers are connected in
parallel. A shunt connects power to the MRF24J40 module. A current meter can be placed on the
header and the shunt removed to measure current consumption.
TIP: To prevent power interruption to the MRF24J40 module, keep the shunt on the header while
connecting the current meter. Once connected, remove the shunt to measure current.
INT2 Jumper (JP3) – For the PIC18 Explorer Board, jumpering JP3 with a shunt allows the
connection of RA5 to RB2/INT2 and enables push-button switch S2 to trigger an interrupt.
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相关代理商/技术参数
AC164134-3 功能描述:CARD RF PICTAIL PLUS 2.4GHZ 制造商:microchip technology 系列:- 零件状态:在售 类型:收发器; 802.15.4（ZigBee?） 频率:2.4GHz 配套使用产品/相关产品:MRF24J40 所含物品:板 标准包装:1
AC164135 功能描述:子卡和OEM板 THERMAL SENSOR PICTAIL PLUS RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit
AC164136 功能描述:开发板和工具包 - PIC / DSPIC ZeroG 802.11 Dev Kt for Explorer 16 RoHS:否 制造商:Microchip Technology 产品:Starter Kits 工具用于评估:chipKIT 核心:Uno32 接口类型: 工作电源电压:
AC164136-2 功能描述:开发板和工具包 - 无线 ZeroG Wi-Fi PICtail Daughter Board RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:AT32UC3L 核心:AVR32 频率: 接口类型:USB 工作电源电压:5 V
AC164136-4 功能描述:射频开发工具 MRF24WB0MA Wi-Fi PICtail+ Daughter Bd RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
AC164137-1 功能描述:子卡和OEM板 434MHz Daughter Board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit
AC164137-1 制造商:Microchip Technology Inc 功能描述:MRF49XA PICtail/PICtail Plus Daughter Bo
AC164137-2 功能描述:子卡和OEM板 868/915MHz Daughter Board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit