JN5121-000-M00T【PDF 1/2 页】MODULE 802.15.4 W/CERM ANT

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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

Features: Transceiver

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. The JN5121 uses hardware MAC and highly secure AES encryption

2.4GHz IEEE802.15.4

compliant

Security processor (128-bit

AES)

MAC accelerator with packet

formatting, CRCs, address

check, auto-acks, timers

accelerators for low power and minimum processor overhead.

Integrated sleep

Integrated power management

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

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

and sleep oscillator for low

power

peripherals for the user to connect to their application.

Block Diagram

On-chip power regulation for

2.2V to 3.6V battery operation

Sleep current (with active

beacon timer) < 5μA

RAM

96kB

ROM

64kB

SPI

Needs minimum of external

components (<US$1 extra cost)

2.4GHz

Radio

O-QPSK

Modem

IEEE802.15.4

RISC CPU

2-wire serial

Timers

Rx current < 50mA

Tx current < 45mA

Receiver sensitivity -90dBm

XTAL

MAC

Accelerator

UARTs

12-bit ADC,

comparator

? Transmit power 0dBm

Features: Microcontroller

Power

Management

128-bit AES

Encryption

Accelerator

11-bit DACs,

temp sensor

16MHz 32-bit RISC optimised

for low power (3MIPS/mA) and

efficient code density

96kB RAM for shared program,

data and routing tables

Benefits

Applications

64kB ROM for program code

Single chip solution with integrated

transceiver and microcontroller for

wireless sensor networks

Capacity and power efficient

microcontroller for both controllers

and sensor units

Low application BOM cost and

size

Hardware MAC ensures low power

consumption and low processor

overhead

Robust and secure low power

wireless applications

Wireless sensor networks,

particularly IEEE802.15.4 /

ZigBee systems

Home and commercial building

automation

Home networks

Toys and gaming peripherals

Industrial systems

4-input 12-bit ADC, 2 11-bit

DACs, comparator,

temperature sensor

2 Application timer/counters,

3 system timers

2 UARTs (one for in-system

debug)

SPI port with 5 selects

2-wire serial interface

21 GPIO

Extensive user peripherals

Telemetry and utilities

(e.g. AMR)

Industrial temperature range

(-40°C to +85°C)

8x8mm 56 lead QFN package

Lead-free and RoHS compliant

? Jennic Ltd 2008 – www.jennic.com

JN5121-PB v2.32

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