[原创] NXPKW40Z低功耗蓝牙(BLE)心率监测仪参考设计

NXP公司的KW40Z/30Z/20Z是超低功耗高度集成系统级芯品(SoC),集成了工作频率2.36 GHz到2.48 GHz的无线收发器,支持FSK/GFSK和O-QPSK调制器;以及ARM Cortex-M0+CPU, 160 KB闪存和20KB SRAM,BLE链接层硬件,802.15.4包处理器硬件和外设,支持蓝牙低功耗(BLE)或IEEE标准802.15.4 RF连接,主要用在手持保健设备,可穿戴运动和健美设备,AV遥控,计算机键盘和鼠标,游戏控制器,接图控制,安全系统,智能能源和家庭局域网.本文介绍了KW40Z主要特性,框图,以及低功耗蓝牙(BLE)心率监测仪参考设计主要特性,框图,应用框图,软件架构图和电路图.

The KW40Z/30Z/20Z (called KW40Z throughout this document) is an ultra low-power,highly integrated single-chip device that enables Bluetooth low energy (BLE) or IEEE Standard 802.15.4 RF connectivity for portable, extremely low-power embeddedsystems. Applications include portable health care devices, wearable sports and fitnessdevices, AV remote controls, computer keyboards and mice, gaming controllers, accesscontrol, security systems, smart energy and home area networks.

The KW40Z SoC integrates a radio transceiver operating in the 2.36 GHz to 2.48 GHz range supporting a range of FSK/GFSK and O-QPSK modulations, an ARM Cortex-M0+CPU, 160 KB Flash and 20 KB SRAM, BLE Link Layer hardware, 802.15.4 packet processor hardware and peripherals optimized to meet the requirements of the target applications.
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