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The JN5121 IEEE802.15.4 wireless microcontroller allows very small low power, low cost modules to be
constructed. The high level of integration ensures that a minimum of external components are required to
implement the majority of sensor and control applications, enabling extremely compact modules to be
designed without recourse to advanced PCB technologies. Jennic provides reference module designs that
can be readily customised.
The module illustrated is just 18x30mm in size, including an integrated antenna. Reference designs are
consistent with FCC CFR47, Part 15 (US), ETSI EN 300 440 (EU), ARIB STD-T66 (Japan).
reference module
Application Diagram
The JN5121 requires minimal external components to
Two Wire
Serial Port
Timers
C13
Vcc
UART 0
support wireless applications – a crystal, flash memory,
SPI Selects
decoupling components and printed antenna are all that is
required for the lowest bill of materials cost and smallest
size. The wireless microcontroller connects to the
Software Developer Kit running on a PC via a UART and
the rest of the peripherals are available for the application.
Jennic also provides IEEE802.15.4 protocol software, an
UART 1
CLK O/P
RESET
C10
Y1
C7
CLK_OP
CTS1
VB_PROT
RTS1
TXD1
RXD1
VSS2
RESETN
VSS3
VSSS
XTALOUT
XTALIN
1
Jennic
JN5121
43
SPISEL3
SPISEL2
VB_MEM
VSS1
SPISEL1
SPISEL0
MISO
VB_APP
MOSI
SPICLK
COMPM
COMPP
C6
C5
1
2
3
4
IC2
Serial
Flash
Memory
SS Vcc
SDO HOLD
WP CLK
Vss SDI
8
7
6
5
Vcc
evaluation kit comprising of controller and sensor units,
C11
C15
VB_SYN
VCOTUNE
29
DAC2
DAC1
reference modules and software development tools.
C9
15
C8
R4
C2
R9
C3
C1
C4
Vcc
C12
Analogue IO
Printed Antenna
Evaluation Kits
Jennic provides an Evaluation Kit (JN5121-EK) which ensures that the user can quickly, easily and effectively develop
applications around wireless sensor networks. It includes a controller board, four sensor boards and an RS-232 interface
cable to the PC-based development tools.
A Software Developer Kit (SDK) provides a comprehensive suite of tools to facilitate the development of application code.
The kit includes a C compiler, graphical and text debuggers, assembler/linker and flash programmer.
Libraries are included with the SDK that drive the peripherals of the JN5121 wireless microcontroller. Applications call
library functions via a simple Application Programming Interface (API).
Wireless Protocol Stacks
A library is provided as standard for an IEEE802.15.4 compliant protocol stack suitable for point-to-point, star or tree networks.
Libraries are also available for mesh network stacks such as ZigBee and IPv6.
Corporate Headquarters
Furnival Street
Sheffield
S1 4QT
United Kingdom
Taiwan Sales Office
19F-1, 182, Sec.2
Tun Hwa S. Road
Taipei 106
Taiwan
Japan Sales Office
Osakaya building 4F
1-11-8 Higashigotanda
Shinagawa-ku
Tokyo 141-0022, Japan
United States Sales Office
1060 First Avenue, Suite 400
King of Prussia
PA 16406
USA
Tel
Fax
E-mail
+44 (0)114 281 2655
+44 (0)114 281 2951
info@jennic.com
Tel
Fax
E-mail
+886 2 2735 7357
+886 2 2739 5687
info@tw.jennic.com
Tel
Fax
E-mail
+81 3 5449 7501
+81 3 5449 0741
info@jp.jennic.com
Tel
Fax
E-mail
+1 610 768 8071
+1 484 971 5015
info@us.jennic.com
? Jennic Ltd 2008 – www.jennic.com
JN5121-PB v2.32
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JN5139/001,515 功能描述:射频微控制器 - MCU WIRELESS MCU IEEE802.15.4 TRNSCVR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:Si100x 数据总线宽度:8 bit 最大时钟频率:24 MHz 程序存储器大小:64 KB 数据 RAM 大小:4 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LGA-42 安装风格:SMD/SMT 封装:Tube
JN5139/001,518 功能描述:射频微控制器 - MCU WIRELESS MCU IEEE802.15.4 TRNSCVR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:Si100x 数据总线宽度:8 bit 最大时钟频率:24 MHz 程序存储器大小:64 KB 数据 RAM 大小:4 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LGA-42 安装风格:SMD/SMT 封装:Tube
JN5139/001,531 功能描述:射频微控制器 - MCU WIRELESS MCU IEEE802.15.4 TRNSCVR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:Si100x 数据总线宽度:8 bit 最大时钟频率:24 MHz 程序存储器大小:64 KB 数据 RAM 大小:4 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LGA-42 安装风格:SMD/SMT 封装:Tube
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JN5139/Z01,518 功能描述:射频微控制器 - MCU WIRELESS MCU IEEE802.15.4 TRNSCVR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:Si100x 数据总线宽度:8 bit 最大时钟频率:24 MHz 程序存储器大小:64 KB 数据 RAM 大小:4 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LGA-42 安装风格:SMD/SMT 封装:Tube
JN5139/Z01,531 功能描述:射频微控制器 - MCU WIRELESS MCU IEEE802.15.4 TRNSCVR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:Si100x 数据总线宽度:8 bit 最大时钟频率:24 MHz 程序存储器大小:64 KB 数据 RAM 大小:4 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LGA-42 安装风格:SMD/SMT 封装:Tube
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