JN5121 Jennic, JN5121 Datasheet

JN5121

Manufacturer Part Number

JN5121

Description

Ieee802.15.4 / Zigbee Wireless Microcontroller

Manufacturer

Jennic

Datasheet

1.JN5121.pdf (2 pages)

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Product Brief – JN5121

IEEE802.15.4 / ZigBee Wireless Microcontroller

Overview

The JN5121 is the first in a series of low power, low cost IEEE802.15.4 compliant

wireless microcontrollers. Combining an on chip 32-bit RISC core, a fully compliant

2.4GHz IEEE802.15.4 transceiver, 64kB of ROM and 96kB of RAM, provides a

versatile low cost solution for wireless sensor networking applications. The high level

of integration helps to reduce the overall system cost. In particular, the ROM enables

integration of point-to-point and mesh network stack protocols, and the RAM allows

support of router and controller functions without the need for additional external

memory.

accelerators for low power and minimum processor overhead.

oscillator and power saving facilities are provided, giving low system power

consumption. The device also incorporates a wide range of digital and analogue

peripherals for the user to connect to their application.

Block Diagram

• Single chip solution with integrated

• Capacity and power efficient

• Low application BOM cost and

• Hardware MAC ensures low power

• Extensive user peripherals

Benefits

XTAL

transceiver and microcontroller for

wireless sensor networks

microcontroller for both controllers

and sensor units

size

consumption and low processor

overhead

The JN5121 uses hardware MAC and highly secure AES encryption

Management

2.4GHz

Power

Radio

IEEE802.15.4

Accelerator

128-bit AES

Accelerator

Encryption

O-QPSK

Modem

MAC

96kB

RAM

RISC CPU

• Robust and secure low power

• Wireless sensor networks,

• Home and commercial building

• Home networks

• Toys and gaming peripherals

• Industrial systems

• Telemetry and utilities

Applications

ROM

64kB

wireless applications

particularly IEEE802.15.4 /

ZigBee systems

automation

(e.g. AMR)

JN5121-PB v2.32

2-wire serial

11-bit DACs,

temp sensor

comparator

12-bit ADC,

UARTs

Timers

SPI

Integrated sleep

• 2.4GHz IEEE802.15.4

• Security processor (128-bit

• MAC accelerator with packet

• Integrated power management

• On-chip power regulation for

• Sleep current (with active

• Needs minimum of external

• Rx current < 50mA

• Tx current < 45mA

• Receiver sensitivity -90dBm

• Transmit power 0dBm

• 16MHz 32-bit RISC optimised

• 96kB RAM for shared program,

• 64kB ROM for program code

• 4-input 12-bit ADC, 2 11-bit

• 2 Application timer/counters,

• 2 UARTs (one for in-system

• SPI port with 5 selects

• 2-wire serial interface

• 21 GPIO

Lead-free and RoHS compliant

Features: Transceiver

Features: Microcontroller

Industrial temperature range

(-40° C to +85°C)

8x8mm 56 lead QFN package

compliant

AES)

formatting, CRCs, address

check, auto-acks, timers

and sleep oscillator for low

power

2.2V to 3.6V battery operation

beacon timer) < 5µA

components (<US$1 extra cost)

for low power (3MIPS/mA) and

efficient code density

data and routing tables

DACs, comparator,

temperature sensor

3 system timers

debug)

Page 1 of 2

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JN5121 Summary of contents

Page 1

... Product Brief – JN5121 IEEE802.15.4 / ZigBee Wireless Microcontroller Overview The JN5121 is the first in a series of low power, low cost IEEE802.15.4 compliant wireless microcontrollers. Combining an on chip 32-bit RISC core, a fully compliant 2.4GHz IEEE802.15.4 transceiver, 64kB of ROM and 96kB of RAM, provides a versatile low cost solution for wireless sensor networking applications. The high level of integration helps to reduce the overall system cost ...

Page 2

... 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). ...

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