2020-11-27 09:50:43

h1654155917.1887: 芯片应用时候，RF端用户需要做什么

答：For the details, you can refer to the application notes. https://www.silabs.com/documents/public/application-notes/an928.2-efr32-series2-layout-design-guide-cn.pdf

2020-11-27 09:53:55

Monkey之魂: BG22低功耗能达到多少？运行功耗能达到多少？

答：3.6mA Radio TX 2.6mA Radio RX 1.4uA EM2 with 32kB RAM 0.54uA in EM4

2020-11-27 09:54:12

hk386: 软件开发的难易度

答：It is very easy. There are lots of example projects and on-line training to help you to start the development. https://www.silabs.com/support/training.ap-training-language_english.ap-training-language_mandarin.ct-webinars_recorded-webinar.ct-webinars_tech-talk.p-wireless_bluetooth-low-energy

2020-11-27 09:54:20

otsuka: 经典蓝牙和低功耗蓝牙本质的差别在哪里？

答：They are two different Bluetooth standard for different applications. In general speaking, the main difference is current consumption. BLE aims on low-current consumption applications with low data rate.

2020-11-27 09:55:11

HXM1539: 蓝牙配对的原理是怎样实现的？

答：For the details, you can refer to https://docs.silabs.com/bluetooth/latest/general/security/pairing-processes, https://docs.silabs.com/bluetooth/latest/general/security/using-bluetooth-security-features-in-silicon-labs-bluetooth-sdk

2020-11-27 09:55:19

otsuka: 能介绍一下BGM220P在哪些方面有优化？

答：Lower current consumption and more software features and API commands. For the details, you can refer to https://docs.silabs.com/gecko-os/1/bgx/latest/index

2020-11-27 09:56:28

Monkey之魂: BGM220能否实现多主多从？

答：Yes. Simultaneous connections Up to 8 connections

2020-11-27 09:57:03

wzsmzl: 低功耗蓝牙有哪些性价比高的芯片？

答：BG22 SoC. For the details, you can refer to https://www.silabs.com/wireless/bluetooth/efr32bg22-series-2-socs

2020-11-27 09:52:02

ezcui: 又有哪些喜人的创新进展？

答：1. 今年推出的BG22， 取得巨大成功，在消费，医疗，智能家居等领域有客户大量出货。

2020-11-27 09:58:14

FSILK_Tech: 如何获取EFR32G22的SDK？下载固件需要使用工具？

答：Please install "Simplicity Studio". For the details, you can refer to https://www.silabs.com/wireless/bluetooth#software

2020-11-27 09:59:09

hhshaha: 低功耗蓝牙要采用什么芯片好？？？

答：BG22 Bluetooth SoCs is recommended. For the details, you can refer to https://www.silabs.com/wireless/bluetooth/efr32bg22-series-2-socs#

2020-11-27 09:57:56

wj20180813: 蓝牙平时是实时工作吗？如何做到低功耗的？

答：是实时工作的。蓝牙连接基于可调节的Connection interval来握手和传送数据，广播也是基于可调节的interval来发送。在通讯的间隙，BG22可以进入低至1.4uA的EM2低功耗模式。结合BG22非常地的接收和发送电流，总体的低功耗表现优异。

2020-11-27 09:59:15

otsuka: 集成的安全功能有哪些？

答：Hardware Accelerated Crypto Faster, more energy efficient and secure than software True Random Number Generator (TRNG) Compliant with NIST SP800-90 and AIS-31 Secure Boot with Root of Trust and Secure Loader (RTSL) Prevents malware injection and rollback Ensures authentic firmware execution and OTA updates Secure Debug with Lock/Unlock Allows authenticated access for enhanced Failure Analysis (FA) ARM Cortex M33 Core with TrustZone Provides cost effective hardware isolation

2020-11-27 09:59:51

18320: 蓝牙4.0和低功耗蓝牙是一回事吗

答：Yes. Bluetoth 4 and 5 are so-called Bluetooth Low Energy (BLE)

2020-11-27 09:52:59

h1654156029.8804: 产品已经有哪些行业的应用案例了啊？

答：BG22已经在多个应用领域量产，例如按摩器，血氧仪，温度贴，透传模块，家居控制等

2020-11-27 09:59:57

Monkey之魂: 有没有开发板申请？

答：It is case by case. If you would like further info, it is encouraged for you to contact one of our distributors in your country for further discussion. https://www.silabs.com/about-us/contact-sales?view=map

2020-11-27 09:59:36

jinlai888: 哪些公司有BLE低功耗蓝牙方案？

答：BLE方案供应商众多，Silicon Labs的BLE方案有16年的经验，硬件性能优异，软件协议栈可靠，有强大的开发工具，优秀的技术支持，是您的可靠合作伙伴。

2020-11-27 09:56:47

otsuka: 电流消耗怎样？电池多久需要更换？

答：Example 1: Connected to a phone at 2000ms interval Using 2M PHY and transmitting 10 Byte / packet Average current: 4.2μA

2020-11-27 10:00:04

Wjie632236: BGM220能否已有在智能家居上应用

答：Yes, it is possible. There is BG22 SoC inside BGM220. BG22 SoC and BGM220 can run the same firmware.

2020-11-27 10:00:26

jully: 今天的蓝牙方案有什么优势呢？

答：极低功耗，长达10年的电池寿命。体积小，有高温版本，发射功率和接收灵敏度优异，丰富的安全特性