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Cypress CYW43907支持802.11的嵌入无线片上系统(SoC)物联网开发应用方案

2017-09-19
类别:无线互联
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文章创建人 拍明


Cypress公司的CYW43907是嵌入无线片上系统(SoC),特别适合物联网(IoT)开发应用,它支持IEEE 802.11 a/b/g/n指标中所有的速率.器件包括基于ARM Cortex的应用处理器,单数据流IEEE 802.11n MAC/基带/无线电,双波段5GHz和2.4GHz发送功率放大器(PA)和接收低噪音放大器(LNA).主要用在嵌入物联网(IoT)应用如工业和医疗传感器,家用电器和嵌入音频市场.本文介绍了CYW43907主要特性,功能框图,以及评估板CYW943907AEVAL1F主要特性,主要元件分布图,框图,电路图,材料清单和PCB装配图.

The Cypress CYW43907 embedded wireless system-on-a-chip (SoC) is uniquely suited for Internet-of-Things applications. It supportsall rates specified in the IEEE 802.11 a/b/g/n specifications.The device includes an ARM Cortex-based applications processor, a singlestream IEEE 802.11n MAC/baseband/radio, a dual-band 5 GHz and 2.4 GHz transmit power amplifier (PA), and a receive low-noiseamplifier (LNA). It also supports optional antenna diversity for improved RF performance in difficult environments.

The CYW43907 is an optimized SoC targeting embedded Internet-of-Things applications in the industrial and medical sensor, homeappliance, and embedded audio markets. Using advanced design techniques and process technology to reduce active and idle power,the device is designed for embedded applications that require minimal power consumption and a compact size.

The device includes a PMU for simplifying system power topology and allows for direct operation from a battery while maximizingbattery life.

CYW43907资料

CYW43907资料.pdf


CYW43907主要特性:

Application Processor Features

■ ARM Cortex-R4 32-bit RISC processor.

■ 2 MB of on-chip SRAM for code and data.

■ An on-chip cryptography core

■ 640 KB of ROM containing WICED SDK components suchas RTOS and TCP/IP stack.

■ 17 GPIOs supported.

■ Q-SPI serial flash interface to support up to 40 Mbps of peaktransfer.

■ Support for UART (3), SPI or BSC master (2),BSC-only (2), and I2S (2) interfaces. (Broadcom Serial Control(BSC) is an I2C-compatible interface.)

■ Dedicated fractional PLL for audio clock (MCLK) generation.

■ USB 2.0 host and device modes.

■ SDIO 3.0 host and device modes.

Key IEEE 801.11x Features

■ IEEE 802.11n compliant.

■ Single-stream spatial multiplexing up to 150 Mbps.

■ Supports 20/40 MHz channels with optional SGI.

■ Full IEEE 802.11 a/b/g legacy compatibility with enhancedperformance.

■ TX and RX low-density parity check (LDPC) support forimproved range and power efficiency.

■ On-chip power and low-noise amplifiers.

■ An internal fractional nPLL allows support for a wide range ofreference clock frequencies.

■ Integrated ARM Cortex-R4 processor with tightly coupledmemory for complete WLAN subsystem functionality, minimizingthe need to wake up the applications processor forstandard WLAN functions (to further minimize power consumptionwhile maintaining the ability to upgrade to futurefeatures in the field).

■ Software architecture supported by standard WICED SDKallows easy migration from existing discrete MCU designsand to future devices.

■ Security support:

❐ WPA and WPA2 (Personal) support for powerful encryptionand authentication.

❐ AES and TKIP in hardware for faster data encryption andIEEE 802.11i compatibility.

❐ Reference WLAN subsystem provides Cisco CompatibleExtensions (CCX, CCX 2.0, CCX 3.0, CCX 4.0, and CCX5.0).

❐ Wi-Fi Protected Setup and Wi-Fi Easy-Setup

■ Worldwide regulatory support: Global products supportedwith worldwide design approval.

General Features

■ Supports battery voltage range from 3.0V to 4.8V with aninternal switching regulator.

■ Programmable dynamic power management.

■ 6 Kb OTP memory for storing board parameters.

■ 316-bump WLCSP(4.583 mm × 5.533mm, 0.2mm pitch)..

CYW43907功能框图.png

图1.CYW43907功能框图

评估板CYW943907AEVAL1F

Thank you for your interest in the CYW943907AEVAL1F Evaluation Kit (EVK). The CYW943907AEVAL1F EVK enables customers to evaluate and develop single-chip Wi-Fi applications using CYW43907 devices.

The CYW943907AEVAL1F EVK uses WICED Studio 5.0 (or later) to develop and debug your CYW43907 project. CYW943907AEVAL1F EVK offers footprint-compatibility with Arduino shields. In addition, the kit features an RJ-45 Ethernet connector, a Micro-SD-card slot, and onboard programmer/debugger and serial bridge chip. The CYW943907AEVAL1F EVK supports only 3.3 V as the operating voltage.

Older revisions of the same kit were named BCM943907AEVAL1F_2 and BCM943907AEVAL1F. CYW43907 and BCM43907 refer to the same device. WICED Studio 5.0 (or later) supports application development using a WICED development board (CYW943907AEVAL1F). The development system is compatible with the Windows, OS X, and Linux operating systems. This document provides instructions for utilizing peripherals, such as I2C or SPI, in WICED sample applications using the WICED Studio Integrated Development Environment (IDE).

The CYW943907AEVAL1F EVK includes the following:

One CYW943907AEVAL1F Evaluation Board with assembled Arduino headers

One USB 2.0 Type-A to Micro-B cable

评估板CYW943907AEVAL1F外形图(正面).png

图2.评估板CYW943907AEVAL1F外形图(正面)

评估板CYW943907AEVAL1F外形图(背面).png

图3.评估板CYW943907AEVAL1F外形图(背面)

图2/3中的数字对应于元件:

1. Reset Switch (SW2)

2. RJ45 Connector (J14)

3. Micro USB (Programming and Debugging) (J5)

4. 5-12V Power Input (J8)

5. WICED Header (J6)

6. Arduino Header (J13)

7. User Switch 1 (SW3)

8. User Switch 2 (SW1)

9. Arduino Header (J9)

10. PCB Antenna-Main (ANT1)

11. Connector for External Antenna 1 (J1)

12. CYW43907 Type 1GC Module (Murata) (U14)

13. PCB Antenna-Diversity (ANT0)

14. Connector for External Antenna 0 (J2)

15. On-board /External JTAG Switch (SW4)

16. External JTAG Header (J3)

17. Arduino Header (J10)

18. Arduino Header (J12)

19. External PHY chip(U12)–BCM5241

20. External ADC Chip (U3)

21. SD Connector/slot (J7)

评估板CYW943907AEVAL1F框图.png

图4.评估板CYW943907AEVAL1F框图

评估板CYW943907AEVAL1F电路图(1).png

图5.评估板CYW943907AEVAL1F电路图(1)

评估板CYW943907AEVAL1F电路图(2).png

图6.评估板CYW943907AEVAL1F电路图(2)

评估板CYW943907AEVAL1F电路图(3).png

图7.评估板CYW943907AEVAL1F电路图(3)

评估板CYW943907AEVAL1F电路图(4).png

图8.评估板CYW943907AEVAL1F电路图(4)

评估板CYW943907AEVAL1F电路图(5).png

图9.评估板CYW943907AEVAL1F电路图(5)

评估板CYW943907AEVAL1F电路图(6).png

图10.评估板CYW943907AEVAL1F电路图(6)

评估板CYW943907AEVAL1F电路图(7).png

图11.评估板CYW943907AEVAL1F电路图(7)

评估板CYW943907AEVAL1F电路图(8).png

图12.评估板CYW943907AEVAL1F电路图(8)

评估板CYW943907AEVAL1F电路图(9)  2017091510273135.png.png

图13.评估板CYW943907AEVAL1F电路图(9)

评估板CYW943907AEVAL1F电路图(10).png

图14.评估板CYW943907AEVAL1F电路图(10)

评估板CYW943907AEVAL1F PCB装配图(顶层)  20170915102731360.png.png

图15.评估板CYW943907AEVAL1F PCB装配图(顶层)

评估板CYW943907AEVAL1F PCB装配图(底层).png

图16.评估板CYW943907AEVAL1F PCB装配图(底层)


CYPRESS介绍

Cypress公司是一家知名的电子芯片制造商,其中文名称为——赛普拉斯。 赛普拉斯在纽约股票交易所上市,在数据通信、消费类电子等广泛领域均提供芯片解决方案。

Cypress半导体公司生产高性能IC产品,用于数据传输、远程通讯、PC和军用系统。公司1982年成立,是一家国际化大公司。目前约有人员3000人,已经在全球建立了销售网络。公司总部设在美国加州San Jose。

公司的生产据点包括:

据点1:在加州圣约瑟市,是公司的第一个工厂和现在的研发基地。

据点2:在德克萨斯州Round Rock,1986年建立,生产SRAM产品。

据点3:Cypress Semiconductor Philippines Inc.(CSPI),是公司在菲律宾设立的组装、检测工厂,1996年投入生产,此外在印尼也有同类的工厂。

除了在加州硅谷拥有最早的设计中心之外,公司在美国的科罗拉多州、华盛顿、俄勒冈州、明尼苏达州、肯塔基、新汉普郡及英格兰、爱尔兰、菲律宾也设有设计工厂。1987年开始采用0.8微米CMOS工艺技术,1992年转移至0.65微米,不久将引入0.21微米工艺,现在70%以上的产品使用0.35微米或以下的工艺制造的。目前,Cypress半导体公司的新战略是瞄准大容量半导体市场,为此采取了一系列新步骤:将产品组装、检测转移至海外,减少产品/封装数量,改良生产设备等,以提高生产效率、缩短产品上市周期。

赛普拉斯(Cypress)为消费类电子、计算、数据通信、汽车、工业和太阳能等系统核心部分提供高性能的解决方案。赛普拉斯致力于客户服务,充分利用基于产品性能的工艺以及制造技术专长,使其产品系列扩展到有线与无线USB器件、CMOS图像传感器、计时技术解决方案、网络搜索引擎、专业存储器、高带宽同步和微功耗存储器产品、光学解决方案以及可再配置的混合信号阵列等。赛普拉斯股票在纳斯达克挂牌上市交易,代号为CY。






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