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Single chip TFT-LCD Controller/Driver with On-chip Frame Memory (FM) Display Resolution: 240*RGB (H) *320(V) Frame Memory Size: 240 x 320 x 18-bit = 1,382,400 bits LCD Driver Output Circuits- Source Outputs: 240 RGB Channels- Gate Outputs: 320 Channels- Common Electrode Output Display Colors (Color Mode)- Full Color: 262K, RGB=(666) max., Idle Mode Off- Color Reduce: 8-color, RGB=(111), Idle Mode On Programmable Pixel Color Format (Color Depth) for Various Display Data input Format- 12-bit/pixel: RGB=(444)- 16-bit/pixel: RGB=(565)- 18-bit/pixel: RGB=(666) MCU Interface- Parallel 8080-series MCU Interface (8-bit, 9-bit, 16-bit & 18-bit)- 6/16/18 RGB Interface(VSYNC, HSYNC, DOTCLK, ENABLE, DB[17:0])- Serial Peripheral Interface(SPI Interface)- VSYNC Interface
標簽：
st7789v
LCD
上傳時間：
2022-03-04
上傳用戶：
-
在全球氣候變暖和石油資源短缺的形勢下,推動新能源汽車的發展將成為汽車行業一種新的發展方向。在大力發展新能源電動汽車行業的同時還應兼顧電動汽車充電設施的發展,因此對電動汽車充電樁的設計與研究顯得十分必要。對電動汽車直流充電樁的硬件系統進行設計,主要的硬件電路包括安全監測電路、總壓采集電路、溫濕度檢測電路、語音電路。軟件包括主要流程圖和溫濕度檢測流程圖。Under the situation of global warming and shortage of petroleum resources,promoting the development of new energy vehicles will become a new development direction for the automotive industry.While vigorously developing the new energy electric vehicle industry,we should also take into account the development of electric vehicle charging facilities.Therefore,the design and research of electric vehicle charging piles is very necessary.The hardware system of the electric vehicle DC charging pile is designed.The main hardware Circuits include safety monitoring circuit,total voltage collecting circuit,temperature and humidity detecting circuit,voice circuit and CAN communication.The software includes a main flow chart and a temperature and humidity detection flow chart.
標簽：
電動汽車
上傳時間：
2022-04-03
上傳用戶：jason_vip1
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針對目前MSP430單片機實驗裝置較少、實驗內容少,而且無MSP430高端產品的實驗裝置,研制了基于MSP430F5529單片機的綜合實驗裝置,主要包括MSP430 Launch Pad和母板兩部分。較傳統的單片機實驗裝置增加了模擬電路的設置,設計的實驗能夠利用單片機的所有外設,可進行模塊基礎實驗和綜合實驗兩大類實驗,非常適合自動化和電氣信息類大學生學習使用。Concerning with the lack of experimental equipment and content based on MSP430,and especially,the experimental equipment of MSP430 senior products,an experimental equipment based on MSP430F5529 microcontroller is developed. It mainly consists of two parts： MSP430 Launch Pad and main board. Compared with traditional microcontroller experiment equipment,a few analog Circuits were added. The experiment we set up takes advantage of all microcontroller peripherals. Students can do two kinds of experiments： module experiment and complex experiment.Therefore it fits university students in automation and electrical major very well.
標簽：
msp430f5529
單片機
上傳時間：
2022-04-13
上傳用戶：
-
為了提高超高頻RFID系統中閱讀器在低信噪比的情況下仍具有較高的識別能力,提出一種基于FPGA系統結合軟件無線電方法實現超高頻RFID射頻前端電路方案。超高頻射頻識別系統必須符合EPC Class 1generation 2標準,所設計的電路系統以Xilinx公司的XC6SLX16-2CSG324FPGA芯片為硬件基礎,將數字基帶調制解調和中頻濾波電路在FPGA系統中設計實現,重點闡述了射頻前端電路的設計結構、AD/DA轉換電路,以及數字濾波器的設計。實驗結果表明,所設計的超高頻RFID閱讀器簡化了前端電路系統結構,提升了穩定性,增強了抗干擾能力。該電路系統在信噪比較低的情況下,能夠較好地實現915MHz頻率的射頻接收和發送。In order to improve the reader UHF RFID system still has a higher ability to identify,in the case of low signal-to-noise ratio.The UHF RFID systems must comply with EPC Class 1 generation 2 standard.In this paper,the design of the circuit system based on Xilinx＇s XC6SLX16-2CSG324 FPGA chip,and presents UHF RFID RF front-end circuit with software radio based on FPGA system.Digital baseband modem and IF filter circuit is designed and implemented in the FPGA system,and focused on designing the structure of the RF front-end circuit,AD/DA conversion Circuits,and digital filter.Experimental results show that the UHF RFID reader de...
標簽：
915mhz
超高頻
rfid
閱讀
射頻
前端
電路
設計
上傳時間：
2022-04-17
上傳用戶：shjgzh
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Springer模擬電路設計叢書，《清華版雙語教學用書·模擬集成電路設計精粹》作者首先對MOST和BJT兩種器件模型進行了分析和比較，然后以此為兩條線索，分別介紹了相應的基本單元電路和各類放大器的詳細分析，隨后的章節分別研究噪聲、失真、濾波器、ADC／DAC和振蕩器電路，每一章都結合MOST和BJT兩種類型電路進行分析比較?！肚迦A版雙語教學用書·模擬集成電路設計精粹》一方面側重于基礎知識，對模擬和混合信號集成電路中的許多重要概念以直觀形象的語言進行了描述。另一方面又側重介紹與現代集成電路工藝相關的最新電路的研究方向和熱點。Next-Generation ADCs,
High-Performance
Power Management, and
Technology Considerations
for Advanced Integrated
Circuits
標簽：
springer
模擬電路
ADC
上傳時間：
2022-04-19
上傳用戶：
-
為適應雙向DC/DC功率變換的電流采樣需求,一種高精度高邊電流采樣電路被提出。其基本思想是在功率電路的高邊串入采樣電阻,借助電流鏡原理并引入偏置電流電路,將雙向電流均轉換為正向電壓輸出。通過理論分析與仿真結合的方法對電流鏡采樣原理及4種不同的偏置電流電路方案進行對比,最后通過實驗數據驗證了高精度高邊電流采樣電路的有效性。實驗數據表明,該采樣電路可在-25~75℃的溫度工作范圍內,針對-10~＋10 A范圍內的電流采樣實現優于5%的采樣精度。Current sensing plays an important role in controlling,monitoring or protection functions of power systems.To meet the current sensing requirement of bidirectional DC/DC converters,a high-accuracy bidirectional current sensing circuit is proposed.The proposed current sensing circuit inserts a resistor in the path of the current to be sensed,while the current mirror and biased current circuit are introduced.Therefore,the bidirectional current can be expressed by positive voltage.By theoretical analysis and simulation,the sampling theory is analyzed and four biased current Circuits are compared.At last,experimental results verified the proposed method.It is demonstrated that the proposed current sensing circuit can achi...
標簽：
雙向DC電源
電流采樣
上傳時間：
2022-04-22
上傳用戶：
-
為解決移相全橋電路驅動及相角控制問題,設計了一種數字控制的移相全橋驅動電路.以TPL521為光耦隔離、IR2110為柵極驅動芯片.由DSP產生PWM信號,經過光耦隔離和邏輯電路后送至IR2110進行相角控制.文章對IR2110驅動電路原理進行分析及參數進行設計,對TMS320F28335進行設置并給出部分代碼.實驗結果表明：通過TMS320F28335可產生的不同相角的PWM波形,滿足了移相全橋對不同相角控制的要求.In order to solve the problem of phase-shifted full-bridge circuit driving and phase angle control,a digitally controlled phaseshifted full-bridge driving circuit was designed. TPL521 optocoupler isolation,IR2110 gate driver chip. PWM signals are generated by the DSP and sent to the IR2110 for phase angle control after optocoupler isolation and logic Circuits. This text carries on the analysis to the principle of IR2110 drive circuit and parameter design,set up and give out some code to TMS320F28335. The experimental results show that the PWM waveforms with different phase angles generated by TMS320F28335 can meet the requirements of phase-shifted full-bridge control for different phase angles.
標簽：
dsp28335
ir2110
芯片
上傳時間：
2022-05-03
上傳用戶：zhanglei193
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基于TMS320F28335的超聲波流量計硬件原理圖+軟件源碼本文以TMS320F28335 處理器為核心，設計一種用于管道流量測量的超聲波流量計。系統硬件由核心板，超聲波發射和接收電路，切換電路，超聲換能器，基于ADS805 的高速信號采集電路，人機交互以及電源等模塊構成。采用時差法進行管道流量測量，時差測量采用SCOT 加權的廣義互相關時延估計算法。本論文設計的超聲波流量計具有測量速度快、準確性好、成本低等優點。關鍵字：C2000，超聲波，流量，廣義互相關算法AbstractA kind of ultrasonic flowmeter using for the pipe flow measurement is designed based onTMS320F28335 in this paper. The system hardware consists of the following parts: the core board,ultrasonic signal transmitter and receiver Circuits, switch circuit, ultrasonic transducer, signalacquisition circuit based on ADS805, human-computer interaction module and power supplymodule, etc. The system use the method of time difference for pipeline flow measurement and thetime difference is calculated by the time-delay algorithm of SCOT weighted generalizedcross-correlation. The ultrasonic flowmeter has the features of high testing speed, high precisionand low cost, etc.Keywords: C2000,Ultrasonic, Flow, Generalized Cross-Correlation Algorithm
標簽：
tms320f28335
超聲波流量計
上傳時間：
2022-05-06
上傳用戶：
-
以STM32F103C8T6為核心,設計了無刷直流電機控制器硬件電路。電路主要包括IR2310構成的PWM驅動電路、IRF3808構成的逆變電路、增量式旋轉編碼構成的速度反饋電路。控制器具有CAN和RS232通信接口,可與計算機或PLC構成速度或位置伺服系統。利用由xPC目標搭建的半實物仿真平臺對PI參數進行整定。測試了控制器的速度伺服響應性能,給定速度為2400rpm時,控制器響應時間為0.32s。實驗結果表明,系統工作可靠,穩定性好,響應速度快,可以滿足上肢康復機器人的機械臂速度控制性能要求。The hardware circuit of Brushless DC motor controller is designed by taking STM32F103C8T6 as the core,which mainly includes PWM driving Circuits made up of IR2310,inverter circuit formed by IRF3808,speed feedback circuit composed of incremental rotary encoder and so on.Speed servo control system or position servo control system can be composed of BLDM controller with computer or PLC through CAN communication interface or RS232 serial communication interface.By using the hardware in the loop simulation platform built by xPC target,the PI parameters are set up.The Speed servo response performance of the controller is tested.When the speed is 2 400 rpm,the response time of the controller is 0...
標簽：
stm32
無刷直流電機
上傳時間：
2022-05-07
上傳用戶：
-
《數字集成電路:電路、系統與設計(第二版) 》，電子工業出版社出版，外文書名: Digital Integrated Circuits:A Design Perspective,Second Edition，作者：簡·M.拉貝艾 (Jan M.Rahaey) (作者), Anantha Chandrakasan (作者), Borivoje Nikolic (作者), 周潤德 (譯者), 等 (譯者)。本書由美國加州大學伯克利分校Jan M. Rabaey教授等人所著。全書共12章，分為三部分： 基本單元、電路設計和系統設計。本書在對MOS器件和連線的特性做了簡要的介紹之后，深入分析了數字設計的核心——反相器，并逐步將這些知識延伸到組合邏輯電路、時序邏輯電路、控制器、運算電路以及存儲器這些復雜數字電路與系統的設計中。為了反映數字集成電路設計進入深亞微米領域后正在發生的深刻變化，本書以CMOS工藝的實際電路為例，討論了深亞微米器件效應、電路最優化、互連線建模和優化、信號完整性、時序分析、時鐘分配、高性能和低功耗設計、設計驗證、芯片測試和可測性設計等主題，著重探討了深亞微米數字集成電路設計所面臨的挑戰和啟示。
標簽：
數字集成電路
電路系統
上傳時間：
2022-05-13
上傳用戶：zhaiyawei
