NB-IoT 物聯網開發平台

  • 前瞻應用  學習  影片長度 - 2:55
    簡短說明新唐M235x IoT Security MCU系列產品的基本功能與安全特色 , 並實際展示基於M235x系列開發的Google Cast Wireless Speaker搭配手機上的Youtube APP所提供的一機多音箱的線上串流音樂撥放功能 #zh-Hant #Learning #Intermediate #application
  • 前瞻應用  研討會  影片長度 - 3:44
    簡短說明新唐 M235x IoT Security MCU 系列產品的基本功能與安全特色 , 並實際展示新唐基於 M2354系列開發的 Secure Smart Meter 搭配手機上開發的 APP 所顯示的即時讀錶數據 #zh-Hant #Application #Seminar #General - 【2022 Roadshow專區】 精彩內容:https://www.nuvoton.com/roadshow2022 點我購買:https://direct.nuvoton.com/roadshow2022/ - 更多產品資訊,請至新唐科技網站 https://bit.ly/3hVdcmC 購買管道:https://direct.nuvoton.com/tw 聯絡我們:SalesSupport@nuvoton.com
  • 創新產品  前瞻應用  學習  影片長度 - 4:14
    嗨,大家好我是新唐產品應用工程師Aaron 今天為各位介紹的是新唐安全微控制開發平台- NuMaker-IoT-M2354 NuMaker-IoT-M2354 開發板上帶有新唐-NuMicro M2354微控制器,採用封裝為LQFP128。在正式介紹開發平台前,先快速帶領大家了解NuMicro M2354的各項特色,M2354是基於Arm® Cortex®-M23,新唐最新一代的安全物聯網微控制器,除了CPU本身具備的TrustZone安全防護功能,讓您在單一CPU內實現安全及非安全區的管理。全系列皆帶有 1 MB Flash, 256 KB的SRAM,讓使用者更能專注於軟體的開發而不需擔心資源不足的問題。這點在物聯網裝置常需搭配OS做開發來說來說,尤為重要。 M2354提供豐富的周邊,除了基本的UART I2C SPI,更支援Quad SPI , USB FS OTG, SD Host 以及CAN BUS,而為了便於物聯網裝置常有的數據顯示需求,M2354支援了COM/SEG LCD,多達320點的LCD驅動器,能夠滿足各種智慧家庭及物聯網應用。 除了豐富周邊,M2354最大特色就是支援了許多安全功能:Secure boot提供根信根機制,能確保運行軟體的合法法及完整性,RSA ECC AES SHA各種加密算法能加速聯網時,所需要的認證及資料加密需求,搭配key store的使用能將加解密的過程提升到更高的安全層次。 而為了能符合PSA CertifiedTM Level 3 (物聯網認證標準)的安全需求,M2354針對非侵式的攻擊手法也提供了對應的安全防護措施,防止如側信道及故障故入等攻擊。 那緊接著介紹我們今天的主題,NuMaker-IoT-M2354 基於上述的特色及安全規劃,我們認為M2354非常適合作為物聯網裝置的開發平台,因此製作了一片開發板,希望能加速使用者孰悉M2354的開發及應用。NuMaker-IoT-M2354搭載Bosch BME680環境感測器,能偵測VOC(揮發性有機物) 氣壓、溫濕度等指數,藉由MBED OS開發平台提供的完整連雲範例以及M2354支援的各種加密加速器,可實時且安全的將數據送往雲端(如Pelion,AWS)。開發者也可同步將數據顯示在LCD屏上,新唐BSP提供完整屏的函示庫做為快速開發使用。 NuMaker-IoT-M2354平台提供Wi-Fi及LoRa兩種無線模組,使用者可根據資料傳遞量及功耗表現等需求來決定想採用的無線連接方式,其中需注意的是若使用LoRa模組進行連雲開發,則還須搭配新唐推出的NUC980 LoRa Gateway。NuMaker-IoT-M2354 的LoRa模組共支援兩種頻段,分別為915MHz/433MHz,使用者可在依據開發需求來做選購。 除了提供豐富周邊,為了讓使用者能有更為彈性的開發介面,NuMaker-IoT-M2354同時支援了Arduino UNO及mikroBUS兩種擴充應用,若使用者有NB-IoT或者4G-LTE等連線開發需求,新唐同時也提供這兩種模組的Arduino UNO開發板可以與NuMaker-IoT-M2354做搭配使用(Quectel-BG96A for NB-IoT/ Quectel-EC21A for 4G-LTE)。 除此之外,板子上也提供多種電源供應介面及耗電量測介面以及Nu-link2-Me 燒錄偵錯開發工具,能支援BSP 透過Keil IAR GCC進行開發,也支援Mbed IDE開發系統。 以上就是今天為大家所做的介紹,若有任何問題都歡迎與我們聯繫,謝謝。 #zh-Hant #Learning #Basic #Application #Product - 相關開發工具及購賣連結: ● M2354 Series https://www.nuvoton.com/products/microcontrollers/arm-cortex-m23-mcus/m2354-series/ ● NuMaker-LoRa-NUC980 https://www.nuvoton.com/products/iot-solution/lora-platform/index.html ● NuMaker-M2354 https://direct.nuvoton.com/tw/numaker-m2354 ● Quectel-BG96A https://direct.nuvoton.com/tw/quectel-bg96a ● Quectel-EC21A https://direct.nuvoton.com/tw/quectel-ec21a - 更多產品資訊,請至新唐科技網站 https://bit.ly/3hVdcmC 購買管道:https://direct.nuvoton.com/tw 聯絡我們: SalesSupport@nuvoton.com
  • 創新產品  前瞻應用  學習  影片長度 - 5:20
    Hi everyone, I'm Aaron. The FAE of Nuvoton technology. Today, I'm glad to show you the Nuvoton secure development board, NuMaker-IoT-M2354. The NuMaker-IoT-M2354 is an IoT evaluation board powered by the NuMicro® M2354 series. Before the introduction of NuMaker-IoT-M2354, I will take you to a quick understanding of NuMicro M2354. The M2354 is the latest NuMicro IoT series product which is based on Arm® Cortex®-M23 CPU core technology. The TrustZone® technology based on Armv8-M architecture is a CPU system-wide approach to microcontroller security. The M2354 series carry 1 Mbytes embedded Flash memory and 256 Kbytes SRAM. It's essential for IoT devices with real-time OS requirements. And you can focus on software development without warring about the flash and SRAM resource. The M2354 series is equipped with plenty of peripherals. In addition to providing UART I2C SPI Timer, it also supports the Quad SPI, USB FS OTG, and CAN BUS. Furthermore, to satisfy the IoT device's display development, the M2354 series built-in 8 COM x 40 SEG LCD controller drives up to 320 dots to meet various smart home and IoT appliances. In addition to providing many peripherals, the critical feature of M2354 is supporting many security functions. The secure boot ensures the legality and integrity of the running firmware. The hardware crypto with RSA/ECC/AES/SHA accelerators can help the device connect to the cloud fast and safely. Moreover, the M2354 is equipped with Key Store, which could be used with crypto accelerators to enhance the chip security level. To comply with Arm PSA CertifiedTM Level 3, the M2354 has implemented some countermeasures to protect against non-invasive attacks like side-channel attacks or fault injection attacks. The NuMaker-IoT-M2354 equips a Bosch environmental sensor, BME680, which contains temperature, humidity, barometric pressure, and VOC gas sensing capabilities. After getting data from the sensor, users can send data to the cloud, such as Pelion or AWS, by Mbed OS. Because M2354 supports hardware crypto, the data can be sent more efficiently and safely. The data could be shown on the LCD panel by the LCD library provided in the M2354 BSP. The NuMaker-IoT-M2354 contains a Wi-Fi module and LoRa module for wireless applications. Depending on the data throughput and power consumption, you can choose one of them for your IoT applications. In the LoRa network, each node is not connected but must be connected to the gateway before being linked back to the central host, or data can be transmitted to another node through the central host. For example, if choosing the LoRa module for the cloud development, you could use NUC980 LoRa Gateway for your gateway platform. The NuMaker-IoT-M2354 supports the radio frequency band of the LoRa module on 915MHz and 433MHz, depending on the customer's requirement. In addition to providing the rich peripheral, the NuMaker-IoT-M2354 also equips the Arduino UNO connector and mikroBUS™ connector for flexible applications. Suppose you want to develop other wireless connecting features like 4G-LTE or NB-IoT. In that case, the Nuvoton also provides a UNO-to-PCI adapter board to supports Quectel EC21 4G/LTE and Quectel BG96 NB-IoT modules. The NuMaker-IoT-M2354 also provides multiple power supplies by external power connectors and an ammeter connector that can instantly measure power consumption. In addition, the Nu-link2-Me on the board is a debugger and programmer supporting development on Keil, IAR, GCC, and Mbed IDE. #en #Learning #Basic #Application #Product - Online Purchase Development Tools: ● M2354 Series https://www.nuvoton.com/products/microcontrollers/arm-cortex-m23-mcus/m2354-series/index.html ● NuMaker-LoRa-NUC980 https://www.nuvoton.com/products/iot-solution/lora-platform/ ● NuMaker-M2354 https://direct.nuvoton.com/tw/numaker-m2354 ● Quectel-BG96A https://direct.nuvoton.com/en/quectel-bg96a ● Quectel-EC21A https://direct.nuvoton.com/en/quectel-ec21a - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC buy now: https://direct.nuvoton.com/ contact us: SalesSupport@nuvoton.com
  • 創新產品  前瞻應用  網路研討會  影片長度 - 1:8:14
    While connected devices have been everywhere and keep increasing the quantity, protecting the IoT applications is still challenging. During this one-hour webinar, you will learn how to select IoT Security microcontrollers to create connected products that do not just be operated remotely but also guarantee IoT services with security. • Gain an understanding of state-of-the-art IoT reference architectures from microcontrollers, wireless modules, middleware, IoT Cloud, and engagement across the user life cycle. • Know what IoT design features will create a wow user experience across the entire product life cycle. • Learn about the typical network-connected challenges and how to solve them from an end-to-end point of view. • Discover an efficient way to engage with users with practical examples and ask questions. • You may have a chance to win free M235x IoT Security Series development boards and a discount code for purchasing. Speakers: Robert Ling, Senior Technology manager at Nuvoton Vanitha Ramaswami, IoT Partner Solutions Architect at AWS Agenda: • IoT Security and IoT Security Standards • Security Features of NuMicro IoT Security MCUs - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC buy now: https://direct.nuvoton.com/ contact us: SalesSupport@nuvoton.com #Product #Application #Product #Webinar #General #en
  • 影片長度 - 5:45
    The video introduces Nuvoton's emWin graphic library for HMI applications, it also includes the breif HMI introduction, emWin resources. - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC buy now: https://direct.nuvoton.com/ contact us: SalesSupport@nuvoton.com
  • 創新產品  工具  學習  影片長度 - 8:24
    The video introduces Nuvoton's MPU N9H30's development set-up for Linux and Non-OS, taking NuMaker-emWin-RDK-N9H30 for example. Starting from the EVB introduction to BSP and related software downloads. - User manuals and related resource can be downloaded https://www.nuvoton.com/products/gui-solution/gui-reference-design/numaker-emwin-rdk-n9h30/ First, we introduce how to program Linux OS to the N9H30 evaluation board Find the N9H30 evaluation board resource that we used on Nuvoton’s Github and download the VMware Image https://github.com/OpenNuvoton/MPU-Family VMware application can be downloaded from the VMware website https://www.vmware.com/tw/products/workstation-player/workstation-player-evaluation.html First, open the VMware Find the ubuntu_NUC970_980_Linux folder we downloaded Choose Ubuntu 64-bit_nuvoton.vmx Choose Play virtual machine The password is “user” It will take a while to open this application for the first time Open the terminal when the system is ready Enter NUC970_Buildroot-master folder After entering the folder, we need to update the Buildroot tool Enter the command as shown below “git reset –hard” “git pull” After updating, enter the dl folder Remove the original Linux kernel and u-boot Enter the command as shown below “sudo rm -rf linux-master.tar.gz uboot-master.tar.gz” After entering, enter the password “user” Leave the dl folder and enter the Buildroot folder Enter the “make clean” command You don’t need to do these steps unless updating Buildroot tools Now, we set up the evaluation board configuration Enter configs folder to search evaluation board name Back to buildroot after searching Enter “make nuvoton_n9h30_emwin_defconfig” to generate configuration file After finishing these step, enter “make” to compile It will take about three hours to compile After compiling, copy the two files below to windows “/NUC970_Buildroot-master/output/images/uImage” “/NUC970_Buildroot-master/output/build/uboot-master/u-boot.bin” Create text file ”env-nor.txt” The content is shown below: baudrate=115200 bootdelay=1 stderr=serial stdin=serial stdout=serial setspi=sf probe 0 50000000 loadkernel=sf read 0x7fc0 0x200000 0x600000 bootcmd=run setspi;run loadkernel;bootm 0x7fc0 bootargs=noinitrd root=/dev/mtdblock2 rw rootfstype=jffs2 console=ttyS0 rdinit=/sbin/init mem=32M mtdparts=m25p80:0x200000@0x0(u-boot),0x600000@0x200000(kernel),-(user) ignore_loglevel Then, we need to install NuWriter and related file The NuWriter is a programming tool provided by Nuvoton. The NuWriter application and firmware code are open-sourced, and users can add new features or develop new user interfaces per user’s application NuWriter: https://github.com/OpenNuvoton/MPU-Family Open “NUC970_NuWriter-master” Enter Driver folder and install “WinUSB4NuVCOM.exe” Enter /Nuwriter/Release and execute NuWriter Choose IC number based on the evaluation board We need to program Image to SPI Flash, so we choose SPI Here we need to turn the all Power-On Setting to ON Push Reset button Return to NuWriter to check the green light and the connection If it is not connecting, click Re-Connect to reconnect After confirm the connection, start to program Image Program the three files to particular address u-boot.bin program to 0xe00000 env.nor.txt program to 0x80000 uImage program to 0x200000 After programming, turn the Power-On Setting to off Push the Reset button Evaluation board can start to boot from SPI-NOR After booting, we need to find the rcS demo application under/etc/init.d Enter “chmod 777 rcS” to modify the application Now, you can see the application on the evaluation board panel Here, we finish compiling and programming The next topic is how to compile and program Non-OS code First, download MDK-Arm from the link below https://www.keil.com/download/product/ Download the Non-OS BSP provided by Nuvoton https://github.com/OpenNuvoton/MPU-Family The BSP includes Keil environment set up user manual Use Keil need to purchase the related license After downloading, Open Keil uVision Click the File on the upper left and choose Open Go to the BSP that we downloaded choose BSP, SampleCode, emWin_SimpleDemo, KEIL and emWin_SimpleDemo.uvproj Click Option for Target Click Device and choose NuMicro ARM9 Database and N9H_series After setting up, click Rebuild, and it will generate a sample code application which is a binary file Open the NuWriter and connect it to the evaluation board Choose SPI and search the application we built \N9H30_emWin_Non-OS_BSP_v1.04.000\N9H30_emWin_Non-OS_BSP_v1.04.000\BSP\SampleCode\emWin_SimpleDemo\KEIL\obj\emWin_SimpleDemo_FW070TFT_24BPP.bin Follow the setting and program the file to 0x0 After programming, turn the Power-On Setting to boot from SPI You can see the demo application on the evaluation #Basic #Product #Tool #Learning #en - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC buy now: https://direct.nuvoton.com/ contact us: SalesSupport@nuvoton.com
  • 創新產品  工具  學習  影片長度 - 9:49
    The video includes introductions to Nuvoton's MCU Cortex-M4 and MPU N9H series and how to choose suitable MCU or MPU under HMI platform. Customer successful cases are avaliable in this video. #Basic #Product #Tool #Learning #en - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC buy now: https://direct.nuvoton.com/ contact us: SalesSupport@nuvoton.com
  • 工具  前瞻應用  學習  影片長度 - 7:34
    此影片將教大家如何使用 Chili Board 完成遠端監控與資料存取應用。一步步教學完成從網路 IP 設定到遠端操控 Child Board 及內部資料存取的實例操作。 #NuMaker_RTU_NUC980 #遠端監控 #遠端資料存取 #Linux #IoT #物聯網 #Remote_monitoring #Remote_control #RTU [ 步驟和時間軸 ] 00:00​ Intro 簡介 00:31 網頁與開發板的互動範例 01:03 接下來設定網路 IP 位址 01:24 更改 PC 的 IP 位址 02:07 修改 Ubuntu 內部網路設定 02:39 測試網路是否通順 03:05 開啟 Chili Board 終端機介面 03:37 Web Server 04:15 遠端資料存取與監控的範例 04:48 修改 Ubuntu 內部網路設定 05:10 開啟終端機介面 05:37 使用跳線將 USB0_H 接地並且拔除 USB0_D 05:59 創建分享給開發板的資料夾 06:39 插入 USB Webcam 06:48 創建 nfs 資料夾 07:05 使用 Webcam 拍攝照片 [ 推薦觀看 ] 新唐 Chili Board – 開發板與平台介紹: https://youtu.be/JqxBVAvKDD4 新唐 Chili Board (1) – 下載、編譯與燒錄教學: https://youtu.be/Zw0WUPHAbUc #網頁與開發板互動範例 (1) 檢查開發板 Network File System Support 是否有開啟 (2) 輸入: linux-menuconfig (3) 進入 configuration 選單 (4) 依序選擇 File Systems、Network File System (5) 檢查以下選項是否開啟: NFS client support NFS client support for NFS version 2 NFS client support for NFS version 3 (如果有任意選項未開啟,則需要重新編譯後燒錄至開發板) #設定網路IP位址 (1) 將開發板、PC 與 Ubuntu 設定為同一網域 (2) 將 Chili Board 網路孔與 PC 連接 (3) 在 Chili Board 終端機輸入: ifconfig (4) 確認 IP 位址為 192.168.0.100 #虛擬機透過PC端網路連上網 (1) 將網路設定設為可連上網路的狀態 (2) 在 Ubuntu 上安裝 Network File System Server (3) 虛擬機的部分需要先到 VMware Network Adapter (4) Network Connection 選擇 NAT #修改Ubuntu內部網路設定 (1) 從右上角進入 Wired Settings (2) 將網路關閉為 OFF,點選齒輪進入設定 (3) 點選 IPv4,將 IPv4 Methoad 改為 Automatic (DHCP) (4) 關閉後將網路開啟為 ON (5) 設定完成後開啟終端機介面,輸入已下指令: sudo apt-get install nfs-kernel-server rpcbind 此為安裝 Network File System Server 的套件 能將此 Ubuntu 虛擬機設為網路共享資料夾的主機 其他有安裝 Network File System Client 的套件的開發板經過一次設定後 都能存取特定資料夾 #創建分享給開發板的資料夾 (1) 於終端機介面創建資料夾 (2) 在 /home/user 底下輸入指令: mkdir -p nfs (3) 創建完成後輸入以下指令更改設定檔: sudo gedit /etc/exports (4) 將以下指令加進去: /home/user/nfs 192.168.0.100(rw,sync,no_root_squash) (5) 輸入以下指令,重啟 Network File System Server 加載剛剛的設定檔: sudo /etc/init.d/nfs-kernel-server restart #設定Network_File_System (1) 在來到 mnt 資料夾下創建 nfs 資料夾 (與 Ubuntu 的 nfs 資料夾共享) (2) 輸入以下指令完成設定 Network File System: mount -o nolock -t nfs 192.168.0.102:/home/user/nfs /mnt/nfs #使用Webcam拍攝照片 (1) 進入 nfs 資料夾 (2) 輸入以下指令使用 Webcam 拍攝照片: fswebcam -r 640x480 test.jpg - 更多產品資訊,請至新唐科技網站 https://bit.ly/3hVdcmC 購買管道:https://direct.nuvoton.com/tw 聯絡我們: SalesSupport@nuvoton.com #application #tool #learning #intermediate #zh-Hant
  • 創新產品  前瞻應用  網路研討會  影片長度 - 1:14:18
    Debriefing of M2354 enhanced MCU security features for Smart Meter applications. You will learn the infrastructure solution, AMI 2.0 smart meter, benefitting from the IoT security microcontroller. The brand new NuMicro M2354 IoT Security microcontroller series inherits the security features of the M2351 that have been Arm PSA Certified™ Level 1, Level 2, and PSA Functional API Certified, M2354 Series endows the microcontrollers used by network-connected devices with the physical level (chip-level) security protection function. It ensures the software and hardware integration system products developed can meet information and communication security requirements for the international mainstream standards. It can also simplify the implementation of regulations-compliant products that require security certification. Simultaneously, it satisfies the development and design requirements of the device itself that requires a low-power operation. - Agenda: • Nuvoton business at a glance • Nuvoton microcontroller ecosystem • A brief introduction to international mainstream IoT security standards • NuMicro M2354 IoT security series • Smart meter solution • Multi-OS and multi-cloud support for IoT node devices • Conclusion - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC buy now: https://direct.nuvoton.com/ contact us: SalesSupport@nuvoton.com #Product #Application #Webinar #General #en
  • 前瞻應用  學習  影片長度 - 7:32
    此影片將教各位從零開始使用 Chili Board,下載新唐提供的虛擬環境、BSP、Linux 環境設定、Image 編譯與燒錄、Chili Board 開機。基於新唐提供的開發平台,能有效縮短使用者在 Linux 的環境設定時間,直接進入開發應用程式的階段。 以下是步驟和時間軸: 00:00​ Intro 簡介 00:23 下載 Linux 開發環境 VMware 虛擬機、NUC980 Linux V4.4 BSP 00:59 開啟 VMware 主程式 01:42 更新 Buildroot 工具 02:44 開發板的編譯設定 03:31 抓取 Image 檔 04:12 uboot 啟動參數 04:23 安裝 NuWriter 所需要的相關檔案 05:15 將開發板兩個 Micro USB 接上 PC 05:20 執行 NuWriter 05:34 打開 PuTTY 06:10 開始燒錄 Image [ Linux 開發環境 VMware 虛擬機 ] https://www.nuvoton.com/resource-download.jsp?tp_GUID=SW1320200406183205 [ NUC980 Linux V4.4 BSP ] https://www.nuvoton.com/resource-download.jsp?tp_GUID=SW1820200909165814 [ 以下動作只需要在更新 Buildroot 工具時使用 ] 進入Buildroot 資料夾後請輸入以下指令: git reset --hard git pull 更新完成後進入 dl 資料夾,先將既有的 linux kernel 與 u-boot 刪除,並輸入以下指令: sudo rm -rf linux-master.tar.gz 輸入密碼 user,並輸入以下指令: sudo rm -rf uboot-master.tar.gz 離開 dl 資料夾,進入 Builroot 資料夾下 make clean。 [ 開發板的編譯設定 ] 進入 configs 資料夾,找到開發板名稱後回到 buildroot,輸入: make nuvoton_nuc980_chili_defconfig 產生預設的 configuration file,設定完成後輸入 make 開始編譯。 編譯完成後,點選左方檔案系統至各個地方抓取 Image 檔複製到 PC 資料夾,請參考以下路徑: /NUC970_Buildroot-master/output/images/uImage /NUC970_Buildroot-master/output/build/uboot-master/u-boot.bin env.txt 則需要自己建立,此檔案為 uboot 啟動參數,請參考下方文字: baudrate=115200 bootdelay=1 stderr=serial stdin=serial stdout=serial setspi=sf probe 0 30000000 loadkernel=sf read 0x7fc0 0x200000 0x800000 bootcmd=run setspi;run loadkernel;bootm 0x7fc0 - 更多產品資訊,請至新唐科技網站 https://bit.ly/3hVdcmC 購買管道:https://direct.nuvoton.com/tw 聯絡我們: SalesSupport@nuvoton.com #application #learning #intermediate #zh-Hant
  • 工具  學習  影片長度 - 4:1
    新唐推出的 Chili Board 開發平台,支援豐富的軟硬體設備,不須額外安裝與編譯,設定完成後即可開發周邊應用程式。Chili Board 更專注在物聯網的開發環境上,支援各種網路通訊協議(SNMP、Web Server、HTTP(S))、雲端(Arm Pelion、AWS、Microsoft Azure、Aliyun)以及加解密引擎(PRNG、AES256、SHA, ECC、RSA2048),搭配新唐提供的 BSP 包,有效縮短開發時間。 #tool #learning #basic #zh-Hant - 更多產品資訊,請至新唐科技網站 https://bit.ly/3hVdcmC 購買管道:https://direct.nuvoton.com/tw 聯絡我們: SalesSupport@nuvoton.com