With the rapid development of the Internet of Things, the application of wireless communication technology is becoming more and more extensive. At present, the focus of the industry is concentrated in smart home, wearable devices, wireless charging, NFC and even the Internet of Things industry. However, these new technologies that allow us to enjoy smart living have not been popularized. The most fundamental reason is the existence of shortcomings in technology. It is extremely urgent to solve the bottleneck of wireless communication technology.
Therefore, domestic and foreign giants have successively formulated strategic plans, and each launched the most distinctive products as their masterpieces, which is the huge market layout of the Internet of Things. At present, wireless communication market manufacturers are uneven, and wireless communication products are even more exquisite. The following recommendations are for mainstream wireless communication vendors on the market and a brief description of their wireless platforms.
1. TI's latest SimpleLink WiFi platform is designed for IoT
TI's SimpleLink WiFi series WIFI platform is designed for IoT, including CC3100/3200. The platform is highly flexible. The 3200 integrates RF and analog functions in a single chip, and the WiFi platform and ARM Cortex-M4 MCU. Integrated, a low-power, single-chip WiFi solution is implemented; the CC3100 can be used with any MCU. Both chips offer low power consumption, low-power RF and advanced low-power modes, making them ideal for battery-powered devices.
The CC3200 integrates a programmable ARM® Cortex®-M4 MCU, allowing customers to add their own unique code; the CC3100 already provides an interface for 8, 16, and 32-bit MCUs that can be used with users and through TI's IoT cloud ecosystem. System members have cloud connectivity support.
Both products enable users to use the fast connection, cloud support and on-chip WiFi, Internet and robust security protocols for easy development of IoT, without the prior experience of developing connected products, easily for a large number of homes, Industrial and consumer electronics add embedded WiFi and Internet capabilities.
The platform can be applied not only to smart homes but also to industrial communications. For example, wireless service channels for industrial equipment, providing intelligence, convenience and service for non-accessible devices without monitors; existing WiFi network infrastructure can be used to enable indoor asset tracking of battery-powered devices; The factory distribution board adds WiFi function to control, monitor and analyze power consumption and settings to achieve intelligent energy control.
2, Broadcom BCM43341 four-in-one chip provides flexible SE solution
Broadcom CorporaTIon (NASDAQ: BRCM), one of the Fortune 500 companies, is the world's leading wireline and wireless communications semiconductor company. Broadcom products seamlessly deliver voice, video, data and multimedia connectivity in home, office and mobile environments. With the industry's broadest and best-in-class system-on-chip and embedded software solutions, Broadcom is transforming the world with Connecting everything®.
As a wireless leader, Broadcom introduced the sixth generation of integrated chip BCM43341 at the end of 2012, which has many advantages in terms of small size, low power consumption and low cost:
The BCM43341 is a four-in-one chip that provides WIFI, Bluetooth, NFC and FM functions in one solution. These functions can work simultaneously, which saves the need to add too many components to the phone. The area of ​​the entire BOM board.
Secondly, due to the adoption of a standardized 40nm low-power CMOS circuit process, the chip can reduce the power consumption of the product to 10% of the competitor's products of the same type. This is an environment where the battery capacity of mobile devices has not been improved and the power consumption components are increasing. Next, it is a very important advantage, I believe this is one of the starting points that can attract most manufacturers to choose this program.
Third, the size and peripheral components of this product have been greatly optimized. The BOM board has an area of ​​only 100 square millimeters, while the peripheral has only 34 components, and most of the peripheral components are passive components such as resistors and capacitors. For the entire product, it also simplifies development.
In addition, there is great flexibility in SE (Security Elements). Broadcom provides customers with a SE solution that chooses to match the chip. This is also a very convenient opening for developers.
In addition to the above advantages in terms of hardware, Broadcom has done a great job in the software of BCM43341. Broadcom is also opening the NFC software stack to the Android 4.2 operating system while opening the software to both the underlying and upper-layer applications. Broadcom will continue to provide related upgrade support in accordance with the upgrade of the Android system.
3, NXP JN516x wireless MCU module sword refers to smart home
NXP (NXP Semiconductors) is a newly independent semiconductor company founded by Philips and has a long history of 50 years. It provides engineers and designers with a wide range of semiconductor products and software for mobile communications, consumer electronics, and security. Applications, contactless billing and connectivity, and in-car entertainment and networking products deliver a better perceived experience.
Since 2011, NXP has used intelligent lighting as a breakthrough to attack the Internet of Things. At first, it did not integrate wireless functions in its LPC series MCUs. In early 2013, NXP introduced the JN516x series of wireless MCU modules for the Internet of Things, including the JN5161, JN5164 or JN5168, which incorporate wireless capabilities.
The module is equipped with a high-performance 32-bit RISC processor with embedded Flash and E2PROM for code efficiency through variable-width instructions, multi-level instruction pipeline, low power and programmable clock speed. At the same time, the chip also has a wireless transceiver complying with IEEE802.15.4 2.4GHz standard and a series of rich analog and digital peripherals. Combined with ultra-low operating current and low-power sleep characteristics, the device can be powered by a button battery and extend battery life.
The JN516x evaluation kit provides all the components needed for system development, including a range of wireless carrier boards, plug-in expansion boards, USB connectors, a remote control, an Internet router for OpenWRT firmware, and a complete software design kit.
For intelligent lighting, home automation and energy management applications, the JN516x Wireless MCU module family combines the best combination of price/performance, on-chip memory and ultra-low power and software stacking options.
4, ST single-chip Bluetooth 4.0 chip BlueNRG processor
STMicroelectronics is one of the world's largest semiconductor companies, from discrete diodes and transistors to complex system-on-chip (SoC) devices to complete platform solutions including reference designs, application software, manufacturing tools and specifications. There are more than 3,000 types.
Last year, ST released the BlueNRG firmware upgradeable network processor with the industry's most energy-efficient Bluetooth 4.0 low-power single-mode chip, targeting Bluetooth Smart applications. The new chip solution is a variety of wireless smart application accessories such as fitness wristbands, smart glasses or interactive clothing for longer battery life and smaller, lighter battery sizes.
ST's BlueNRG network processor provides all the features that Bluetooth Smart devices need to connect to a Bluetooth Smart Ready host such as a smartphone or tablet. With the lowest operating current in its class, ultra-low-power devices can operate for months or even years with just a tiny button cell. BlueNRG meets the latest Bluetooth 4.0 Bluetooth standard with a built-in dedicated RF interface, processor and Bluetooth firmware to simplify wireless product design and allow engineers to focus on innovative applications. With the unparalleled energy efficiency of the BlueNRG IC for superior battery life and excellent wireless connectivity, ST expects to gain a share in this market. In addition to the lowest operating current, the 0dBm transmission mode consumes only 8.2mA, and the receiving mode consumes 7.3mA. The BlueNRG's power management is very power-saving, and the mode converts the speed block, thus minimizing the power consumption in the non-use state. .
In addition, BlueNRG gives designers the flexibility to choose their favorite primary microcontroller and is equipped with the Bluetooth Low-Energy stack running on an external application processor. On-chip non-volatile memory makes it easy to implement firmware upgrades, ensuring that your application is always compatible with the latest Bluetooth standard.
BlueNRG main features:
Embed BlueNRG4.0 Low-Energy Stack: GAP, GATT, SM, L2CAP, LL, RF-PHY
7.3mA (RX mode), maximum current 8.2mA (send mode, 0dBm)
Programmable output power: -18dBm to 8 dBm
Up to 96dB RF connection budget
BlueNRG offers best-in-class current consumption, excellent wireless link performance, and an on-chip non-volatile memory chip that is less power-hungry and smaller, making it ideal for wearable devices.
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