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  • PW1555-2.0.pdf規格書

    PW1555 is a programmable current limit switch with input voltage range selection and outputvoltage clamping. Extremely low RDS(ON) of the integrated protection N-channel FET helps toreduce power loss during the normal operation. Programmable soft-start time controls the slew rateof the output voltage during the start-up time. Independent enable control allows the complicatedsystem sequencing control. It integrates the over-temperature protection shutdown andautorecovery with hystersis

    標簽: pw1555

    上傳時間: 2022-02-14

    上傳用戶:

  • 電子書-RTL Design Style Guide for Verilog HDL540頁

    電子書-RTL Design Style Guide for Verilog HDL540頁A FF having a fixed input value is generated from the description in the upper portion of Example 2-21. In this case, ’0’ is output when the reset signal is asynchronously input, and ’1’ is output when the START signal rises. Therefore, the FF data input is fixed at the power supply, since the typical value ’1’ is output following the rise of the START signal. When FF input values are fixed, the fixed inputs become untestable and the fault detection rate drops. When implementing a scan design and converting to a scan FF, the scan may not be executed properl not be executed properly, so such descriptions , so such descriptions are not are not recommended. recommended.[1] As in the lower part of Example 2-21, be sure to construct a synchronous type of circuit and ensure that the clock signal is input to the clock pin of the FF. Other than the sample shown in Example 2-21, there are situations where for certain control signals, those that had been switched due to the conditions of an external input will no longer need to be switched, leaving only a FF. If logic exists in a lower level and a fixed value is input from an upper level, the input value of the FF may also end up being fixed as the result of optimization with logic synthesis tools. In a situation like this, while perhaps difficult to completely eliminate, the problem should be avoided as much as possible.

    標簽: RTL verilog hdl

    上傳時間: 2022-03-21

    上傳用戶:canderile

  • 一種智能紅外避障自動掃地機器人的設計

    研究一種智能掃地機器人。從硬件系統控制模塊設計到主要技術調試進行了較詳細的闡述。以STM32單片機為控制核心與電機驅動、紅外線路徑識別模塊等相互協調應用。進行電路搭建和程序編寫。實現了智能掃地機器人紅外線避障和自動掃地功能,其清掃面積能達到約70%,清掃率約60%,很大程度受到自身機械機構的限制,后期將對小車的機械結構進行完善。This paper studies an intelligent sweeping robot.From the hardware system control module design to the main technical debugging are described in detail.STM32 MCU is used as the control core to coordinate with motor drive and infrared path recognition module.Conduct circuit building and programming.The functions of infrared obstacle avoidance and automatic sweeping of intelligent sweeping robot are realized.Its cleaning area can reach about 70%and the cleaning rate is about 60%.Because it is limited by its own mechanical mechanism to a great extent,the mechanical structure of the car will be improved in the later stage.

    標簽: 掃地機器人

    上傳時間: 2022-03-26

    上傳用戶:

  • 基于UCC28019的PFC電路設計

    為設計高效率、低損耗的PFC電路,本文基于UCC28019進行電路設計。以UCC28019輸出的PWM波形來控制Boost升壓斬波為核心電路,使電路中的電容交替地充放電、電感交替的儲存和釋放能量,最后實現在輸入AC20V~24V電壓情況下穩定輸出DC38V。測試結果表明,系統實現效率為95%左右,電壓調整率小于1%,電源功率因數0.99。交流輸入電壓為19.0-25.8 V時,輸出直流電壓穩定性較好,電感無明顯嘯叫且紋波小,具有一定的帶負載能力和實用性。In order to design the PFC circuit with high efficiency and low loss,this paper designs the circuit based on UCC28019.The PWM waveform output by UCC28019 is used to control boost chopper as the core circuit,which alternately charges and discharges capacitors,stores and releases energy by inductors,and finally achieves stable output of DC38 V under the input voltage of AC20 V~24 V.The test results show that the system achieves about 95% efficiency,the voltage adjustment rate is less than 1%,the power factor is 0.99,and the AC input voltage is 19.0-25.8 V.The output DC voltage stability is good,the inductance has no obvious whistle and the ripple is small,so it has certain load capacity and practicability.

    標簽: ucc28019 pfc 電路設計

    上傳時間: 2022-04-03

    上傳用戶:

  • LPDDR3 JEDEC官方標準 JESD209-3C,共158頁

    Low Power Double Data Rate 3(LPDDR3) JEDEC官方標準共158頁。

    標簽: lpddr3 jedec

    上傳時間: 2022-04-12

    上傳用戶:

  • 博通BCM43438KUBG正基同款AP6212sdio工業級wifi模塊

    1. General Description BL-M3362NS1 product is designed base on Broadcom BCM43362 chipset. It operates at 2.4GHz band and supports IEEE802.11b/g/n 1T1Rwith wireless data rate up to 72.2Mbps. It supports IEEE802.11isafety protocol, along with IEEE802.11e standard service quality. It supports standard interfaces SDIOV2.0(50 MHz,4-bit and1-bit) and generic SPI(up to 50 MHz), Integrated ARM Cortex?-M3 CPUwith on-chip memory enables running IEEE802.11 firmware that can be field-upgraded with future features.2. The range of applying Imaging platforms(printers, digital still cameras, digital picture frames)Consumer electronic devices(DTV, DVDplayers, Blu-ray players. etc.)Gaming platforms Carinformation MiFi/Mobile Routes Smart PAD Set-TopBoxes

    標簽: wifi

    上傳時間: 2022-07-04

    上傳用戶:

  • JESD209-4A Low Power Double Data Rate (LPDDR4協議資料)

    學習并了解LPDDR4協議內容,官方資料,非常全面。

    標簽: lpddr4

    上傳時間: 2022-07-18

    上傳用戶:qingfengchizhu

  • MT7628 Datasheet

    Overview The MT7628 router-on-a-chip includes an 802.11n MAC and baseband,a 2.4 GHz radio and FEM,a 575/580MHz MIPS? 24K% CPU core,a 5-port 10/100 fast ethernet switch. The MT7628 includes everything needed to build an AP router from a single chip. The embedded high performance CPU can process advanced applications effortlessly, such as routing, security and VolP. The MT7628 also includes a selection of interfaces to support a variety of applications, such as a USB port for accessing external storage.Features· Embedded MIPS24KEc(575/580 MHz) with 64KBl-Cache and 32 KB D-Cache·2T2R 2.4 GHz with 300 Mbps PHY data rate· Legacy 802.11b/g and HT 802.11n modes·20/40 MHz channel bandwidth· Reverse Data Grant(RDG)· Maximal Ratio Combining(MRC)· Space Time Block Coding(STBC)· MCM 8 Mbytes DDR1 KGD(MT7628KN)

    標簽: mt7628

    上傳時間: 2022-07-18

    上傳用戶:

  • 高級PID控制算法.

    Simulation can provide a lot of information about what the system is doing. We canadd the effect of different element, like Encoder resolution, ADC sampling rate, etc and understand how does it affect the system. Another benefit is the possibility to slow down the process, to gain insight on what happens of fast systems or, vice versa, speed up slow process.Because National Instruments is a unique company in the fact the we provide a fullhardware solution couple with a full development platform, we can use this tools in very particular ways For example, it is possible to combine the LabVIEW Control Design and Simulation Module along with the FPGA module to quickly prototype a controller. One of the main benefits of this approach is that there is no need to compile the FPGA code, which allows for a quick algorithm design turnaround and debugging.

    標簽: pid控制

    上傳時間: 2022-07-20

    上傳用戶:

  • MT7628手冊(英文版)

    The following table covers the main features offered by the MT7628KN and MT7628AN. Overall, the MT7628KN supports the requirements of an entry level AP/router, while the more advanced MT7628AN supports a number of interfaces together with a large maximum RAM capacity.Features· Embedded MIPS24KEc (575/580 MHz) with 64KBl-Cache and 32KB D-Cache·2T2R 2.4GHz with 300 Mbps PHY data rate· Legacy 802.11b/g and HT 802.11n modes·20/40 MHz channel bandwidth· Reverse Data Grant(RDG)· Maximal Ratio Combining(MRC)· Space Time Block Coding(STBC)· MCM 8 Mbytes DDR1 KGD(MT7628KN)·16-bit DDR1/2 up to 128/256 Mbytes(MT7628AN/KN)· SPI/SD-XC/eMMC·x1 USB 2.0 Host,x1 Ple Root Complex·5-port 10/100 FE PHY

    標簽: mt7628

    上傳時間: 2022-07-25

    上傳用戶:

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