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
