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[導(dǎo)讀]NXP 公司的JN5148-001是超低功耗高性能無線微控制器(MCU),具有32位RISC處理器特性,還集成了2.4GHz IEEE802.15.4兼容的收發(fā)器,128KB ROM,128KB RAM和各種豐富的模擬與數(shù)字外設(shè),可以運行JenNet和ZigBee PRO。收發(fā)

NXP 公司的JN5148-001是超低功耗高性能無線微控制器(MCU),具有32位RISC處理器特性,還集成了2.4GHz IEEE802.15.4兼容的收發(fā)器,128KB ROM,128KB RAM和各種豐富的模擬與數(shù)字外設(shè),可以運行JenNet和ZigBee PRO。收發(fā)器的數(shù)據(jù)速率500和667kbps,工作電壓2.0V-3.6V,MCU的時鐘速率4- 32MHz。主要用在機器人和安全低功耗無線應(yīng)用,JenNet和ZigBee PRO網(wǎng)絡(luò),智能計量,家庭和商業(yè)建筑物自動化,工業(yè)系統(tǒng),遙控,手持醫(yī)療保健設(shè)備,玩具和游戲外設(shè)等。本文介紹了JN5148-001主要特性和優(yōu)勢,功能框圖,無線電框圖,調(diào)制解調(diào)器框圖和基帶處理器框圖,參考模塊電路圖和材料清單以及采用JN5148的手持醫(yī)療保健設(shè)備框圖。

The JN5148-001 is an ultra low power, high performance wireless microcontroller targeted at JenNet and ZigBee PRO networking applications. The device features an enhanced 32-bit RISC processor offering high coding efficiency through variable width instructions, a multi-stage instruction pipeline and low power operation with programmable clock speeds. It also includes a 2.4GHz IEEE802.15.4 compliant transceiver, 128kB of ROM, 128kB of RAM, and a rich mix of analogue and digital peripherals. The large memory footprint allows the device to run both a network stack (e.g. ZigBee PRO) and an embedded application or in a co-processor mode. The operating current is below 18mA, allowing operation direct from a coin cell.

Enhanced peripherals include low power pulse counters running in sleep mode designed for pulse counting in AMR applications and a unique Time of Flight ranging engine, allowing accurate location services to be implemented on wireless sensor networks. It also includes a 4-wire I2S audio interface, to interface directly to mainstream audio CODECs, as well as conventional MCU peripherals.

JN5148-001優(yōu)勢:

• Single chip integrates transceiver and microcontroller for wireless sensor networks

• Large memory footprint to run ZigBee PRO or JenNet together with an application

• Very low current solution for long battery life

• Highly featured 32-bit RISC CPU for high performance and low power

• System BOM is low in component count and cost

• Extensive user peripherals

JN5148-001主要特性:

收發(fā)器:

• 2.4GHz IEEE802.15.4 compliant

• Time of Flight ranging engine

• 128-bit AES security processor

• MAC accelerator with packet formatting, CRCs, address check, auto-acks, timers

• 500 & 667kbps data rate modes

• Integrated sleep oscillator for low power

• On chip power regulation for 2.0V to 3.6V battery operation

• Deep sleep current 100nA

• Sleep current with active sleep timer 1.25μA

• <$0.50 external component cost

• Rx current 17.5mA

• Tx current 15.0mA

• Receiver sensitivity -95dBm

• Transmit power 2.5dBm

MCU特性:

• Low power 32-bit RISC CPU, 4 to 32MHz clock speed

• Variable instruction width for high coding efficiency

• Multi-stage instruction pipeline

• 128kB ROM and 128kB RAM for bootloaded program code & data

• JTAG debug interface

• 4-input 12-bit ADC, 2 12-bit DACs, 2 comparators

• 3 application timer/counters,

• 2 UARTs

• SPI port with 5 selects

• 2-wire serial interface

• 4-wire digital audio interface

• Watchdog timer

• Low power pulse counters

• Up to 21 DIO

Industrial temp (-40℃ to +85℃)

8x8mm 56-lead Punched QFN

Lead-free and RoHS compliant

JN5148-001應(yīng)用:

• Robust and secure low power wireless applications

• ZigBee PRO and JenNet networks

• Smart metering (e.g. AMR)

• Home and commercial building automation

• Location Aware services – e.g. Asset Tracking

• Industrial systems

• Telemetry

• Remote Control

• Toys and gaming peripherals

圖1。JN5148-001方框圖

圖2。JN5148-001詳細(xì)功能框圖
 

圖3。JN5148-001無線電框圖

圖4。JN5148-001調(diào)制解調(diào)器框圖

圖5。JN5148-001基帶處理器框圖

圖6。JN5148-001采用印刷天線參考模塊電路圖

參考模塊材料清單:

低成本手持醫(yī)療保健設(shè)備

Portable healthcare devices help monitor vital signs, restart the heart, and look inside the body with ultrasound before the patient is taken to the hospital. NXP’s goal is to contribute to home healthcare devices that are easy to use, interoperable and offer diagnostic value so that insurance will cover the cost. This eliminates the need for a hospital visit or stay and reduces healthcare costs.

Many consumer medical devices today simply display health monitoring results and leave the interpretation and logging to end users and their doctors, newer devices feature simple connectivity to log and transmit results automatically. Connectivity is either wired, wireless or combined.

NXP helps you succeed in the increasingly competitive home health care market, helping consumer medical devices offer the following features:

手持醫(yī)療保健設(shè)備特性:

Ease of use

Highly reliable and safe (government-regulated) operation

Easy, secure connectivity

Low-power operation (i.e. long battery life)

Support for a wide range of voltages (especially lower voltages)

High measurement accuracy

Small form factors

Affordable cost

圖7。采用JN5148手持醫(yī)療保健設(shè)備框圖

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