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[原创] Cypress CYW20819超低功耗蓝牙5单片解决方案

关键词:Arm® Cortex®-M4 MCU Bluetooth Mesh 1.0 物联网(IoT) 可穿戴 医疗电子

时间:2019-05-20 11:23:10       来源:中电网

Cypress公司的CYW20819蓝牙5单片解决方案,完全满足蓝牙网格(BlueToothMesh)1.0指标,具有高度集成度,消除了外接元件,使得设计者降低产品占位面积和成本.CYW20819集成了超低功耗(ULP) BLE和增加了音频功能,从而增强用户可穿戴和追踪者的体验,还能提供BLE和EDR接收器业界最好的灵敏度.采用先进的设计技术和工艺技术来降低功耗和空闲功率,CYW20819能满足低功耗蓝牙5.0要求,支持BR, EDR 2 Mbps和 3 Mbps, eSCO,BLE以及LE 2 Mbps,可编TX发送功率高达+4dBm,具有极好接收灵敏度(BLE 1 Mbps时为-95.5 dBm),集成的功能强大的Arm® Cortex®-M4 内核,最高速率96MHz.此外还集成了256KB闪存和176KB RAM,其中ROM中蓝牙堆栈能单独运行而不需要外接MCU,主要用在可穿戴和健美领域,家庭自动化,血压监测和其它医疗应用,接近传感器,密匙卡,恒温器和温度计以及玩具和遥控器.本文介绍了CYW20819主要特性,功能框图,以及评估板CYBT-213043-MESH主要特性,电路图,材料清单和PCB设计图.

The CYW20819 is a best-in-class Bluetooth 5 single-chip solution targeted at Bluetooth Mesh, audio, voice, wearables, mice,keyboards, gaming consoles, remote controls, home automation, and a wide range of other Internet of Things (IoT)applications. The CYW20819 fully implements the Bluetooth Mesh 1.0 specification, and employs the highest level of integration toeliminate external components, allowing device makers to reduce product footprints and slash costs.

The CYW20819 integrates Ultra-Low Power (ULP) BLE along with the capability to add audio functionality to enhance the userexperience for wearables and trackers. It also provides best-in-class receiver sensitivity for both BLE and EDR. Using advanceddesign techniques and process technology to reduce active and idle power, the CYW2081also addresses the needs of a diverseclass of low power Bluetooth 5-enabled devices that require minimal power consumption and compact size The device is intendedfor use in audio (source only, other than SCO), IOT, sensors (medical, home, security and industrial), and HID markets. The datasheetprovides details of the functional, operational, and electrical characteristics of the CYW20819 device. It is intended for hardware,design, application, and OEM engineers.

CYW20819主要特性:

■ Bluetooth Sub-System
❐Complies with Bluetooth Core Specification version 5.0
❐Includes support for BR, EDR 2 Mbps and 3 Mbps, eSCO,BLE, and LE 2 Mbps.
❐Programmable TX Power up to +4 dBm
❐Excellent receiver sensitivity (-95.5 dBm for BLE 1 Mbps)
■ Microcontroller
❐Powerful Arm® Cortex®-M4 core with a maximum speed of96 MHz
❐Bluetooth stack in ROM allowing standalone operation withoutany external MCU
❐256-KB on-chip Flash
❐176-KB on-chip RAM
❐Bluetooth stack, Peripheral drivers, Security functions builtinto ROM (1 MB) allowing application to efficiently use onchipFlash
❐AES-128 and True Random Number Generator (TRNG)
❐Security functions in ROM including ECDSA signature verification
❐Over-the-air (OTA) firmware updates
■ Peripherals
❐Up to 40 GPIOs
❐I2C, I2S, UART, and PCM interfaces
❐Two Quad-SPI interfaces
❐Auxiliary ADC with up to 28 analog channels
❐Programmable key scan 20  8 matrix
❐Three-axis quadrature signal decoder
❐General-purpose timers and PWM
❐Real-time clock (RTC) and watchdog timers (WDT)
■ Power Management
❐On-chip power-on reset (POR)
❐Integrated buck (DC-DC) and LDO regulators
❐On-chip software controlled power management unit
❐On-chip 32 kHz LPO with optional external 32 kHz crystaloscillator support
■ Wi-Fi Coexistence
❐Global Coexistence Interface (GCI) for Cypress Wi-Fi parts
❐Serial Enhanced Coexistence Interface (SECI)
■ ModusToolBox 1.1 SDK
■ OTA Firmware Update Support
■ Package Types
❐112-ball FPBGA
❐62-pin FPBGA
❐RoHS compliant

CYW20819应用:

■ Wearables and fitness bands
■ Home automation
■ Blood pressure monitors and other medical applications
■ Proximity sensors
■ Key fobs
■ Thermostats and thermometers
■ Toys
■ Remotes

图1.CYW20819功能框图

评估板CYBT-213043-MESH

The EZ-BT Mesh Evaluation Kit (CYBT-213043-MESH) enables you toevaluate SIG Mesh functionality and features using the EZ-BT WICEDModule CYBT-213043-02. The CYBT-213043-02 EZ-BT WICED Moduleis an integrated, fully certi_ed, 12.0 mm x 16.61 mm x 1.70 mm,programmable Bluetooth® Smart Ready module designed to reduceyour time-to-market. The CYBT-213043-02 module utilizes the CypressCYW20819 silicon device.

图2.评估板CYBT-213043-MESH顶视图

图3.评估板CYBT-213043-MESH底视图

图4.评估板CYBT-213043-MESH电路图(1)

图5.评估板CYBT-213043-MESH电路图(2)

图6.评估板CYBT-213043-MESH PCB装配图(1)

图7.评估板CYBT-213043-MESH PCB装配图(2)
材料清单见:
CYBT-213043-MESH BOM REV1.0_3
CYBT-213043-MESH BOM REV1.0_3.xls
详情请见:
https://www.cypress.com/file/462851/download
CYW20819 Ultra Low Power, BLEBREDR Bluetooth 5.0 SoC.pdf
CYBT-213043-MESH BoardDesignFiles(Schematic,Layout,Gerber,BOM).zip

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