The μPSD32xx family, from ST, consists of Flash programmable system devices with a 8032 MicrocontrollerCore. Of these, the μPSD3234A and μPSD3254A are notable for having a complete implementationof the USB hardware directly on the chip, complying with the Universal Serial Bus Specification, Revision1.1.This application note describes a demonstration program that has been written for the DK3200 hardwaredemonstration kit (incorporating a μPSD3234A device). It gives the user an idea of how simple it is to workwith the device, using the HID class as a ready-made device driver for the USB connection.IN-APPLICATION-PROGRAMMING (IAP) AND IN-SYSTEM-PROGRAMMING (ISP)Since the μPSD contains two independent Flash memory arrays, the Micro Controller Unit (MCU) can executecode from one memory while erasing and programming the other. Product firmware updates in thefield can be reliably performed over any communication channel (such as CAN, Ethernet, UART, J1850)using this unique architecture. For In-Application-Programming (IAP), all code is updated through theMCU. The main advantage for the user is that the firmware can be updated remotely. The target applicationruns and takes care on its own program code and data memory.IAP is not the only method to program the firmware in μPSD devices. They can also be programmed usingIn-System-Programming (ISP). A IEEE1149.1-compliant JTAG interface is included on the μPSD. Withthis, the entire device can be rapidly programmed while soldered to the circuit board (Main Flash memory,Secondary Boot Flash memory, the PLD, and all configuration areas). This requires no MCU participation.The MCU is completely bypassed. So, the μPSD can be programmed or reprogrammed any time, anywhere, even when completely uncommitted.Both methods take place with the device in its normal hardware environment, soldered to a printed circuitboard. The IAP method cannot be used without previous use of ISP, because IAP utilizes a small amountof resident code to receive the service commands, and to perform the desired operations.
標簽： Demonstration 3200 USB for
上傳時間： 2014-02-27
上傳用戶：zhangzhenyu
PL2303 是Prolific 公司生產的一種高度集成的RS232-USB 接口轉換器，可提供一個RS232 全雙工異步串行通信裝置與USB 功能接口便利聯接的解決方案。該器件內置USB功能控制器、USB 收發器、振蕩器和帶有全部調制解調器控制信號的UART， 只需外接幾只電容就可實現USB 信號與RS232 信號的轉換，能夠方便嵌入到各種設備.
上傳時間： 2014-12-30
上傳用戶：15527161163
現在，您可在新的MCU項目中加入供連接多個器件和外設的USB接口，這比過去慣用的SPI和UART看起來要復雜些。參加本會議可以了解如何使用Beagle Protocol Analyzer實施、分析和調試飛思卡爾MCU的USB系統。
上傳時間： 2013-11-06
上傳用戶：huaidan
基于s3c4480的三星arm開發板的測試程序 有usb，uart,flash等模塊的測試程序
上傳時間： 2014-01-18
上傳用戶：ikemada
DEC5502_USB程序主要實現了與PC機應用程序之間的USB通訊，并根據PC機傳來的指令進行相應的動作。 DEC5502_LED程序通過配置系統定時器和系統中斷來控制指示燈D5和D1，并且通過D5和D1是否交替閃爍來達到測試系統定時器和系統中斷的目的。 DEC5502_DARAM程序實現了對DSP的片上DARAM的讀寫訪問。 DEC5502_DMA程序通過配置DMA通道實現片上DARAM與外擴SDRAM之間的數據傳送。 DEC5502_UARTONCHIP程序實現了DSP片上UART與PC機的串行數據通訊。
上傳時間： 2013-12-16
上傳用戶：LouieWu
STM103V100-II是英蓓特公司新推出的一款基于ST意法半導體STM32系列處理器的全功能評估板。STM103V100-II評估板有USB，Motor Control ，CAN,SD卡，Smart 卡，UART，Speaker，LCD，LED，BNC，耳塞插孔等豐富的外設，有助于用戶輕松開發STM32的強大功能。此為操作手冊
上傳時間： 2017-02-11
上傳用戶：qwe1234
CH340C+RT9013+MINI USB接口板 AD設計硬件原理圖+PCB文件,ALTIUM設計的2層板設計，包括完整的原理圖和PCB文件，主要器件如下：Library Component Count : 12Name Description----------------------------------------------------------------------------------------------------CAP CapacitorCC2640EM CC2630 ModuleCH340 CH340 USB 2 UARTCON11 Connector 11pinsCON12 Connector 12pinsCON3X2 Connector 5*2LED LEDRES ResistorRT9013 RT9013 3.3VSWITCH switch 6*6USB1 USB ConnectorsXDS110-Lte XDS110-Lite Target Interface
上傳時間： 2021-11-24
上傳用戶：canderile
CH341系列編程器芯片usb轉串口Altium Designer AD原理圖庫元件庫CSV text has been written to file : 1.9 - CH341系列編程器芯片.csvLibrary Component Count : 56Name Description----------------------------------------------------------------------------------------------------CH311Q PC debug port monitorCH331T Mini USB Disk ControllerCH340G CH340H USB to TTL Serial / UART, USB to IrDACH340T USB to TTL Serial / UART, USB to IrDACH340R USB to IrDA, USB to RS232 SerialCH340S_P USB to Print Port / ParallelCH340S_S USB to TTL Serial / UART, pin compatible with CH341CH341A_S USB to TTL Serial / UART / I2C/IICCH341S_P USB to Print Port / ParallelCH341A_P USB to Print Port / ParallelCH341S_S USB to TTL Serial / UARTCH341S_X USB to EPP Parallel / SPI / I2C/IICCH341A_X USB to EPP Parallel / SPI / I2C/IICCH341T USB to TTL Serial / UART / I2C/IICCH345T USB to MidiCH352L_M PCI to 8255 mode 2 Parallel for MCU and 16C550 UART / IrDACH352L_P PCI to Print Port / Parallel and 16C550 UART / IrDACH352L_S PCI to Dual 16C550 UART, TTL Serial*2 / IrDA*1CH362L PCI Device / Slave only for RAM / Expansion ROMCH364F Member of CH364 chipsetsCH364P PCI Device / Slave Embedded Flash ROM, for Expansion ROMCH365P PCI Device / Slave, for I/O port or RAM / ROMCH372T USB Device / Slave for MCU, ParallelCH372A USB Device / Slave for MCU, ParallelCH372V USB Device / Slave for MCU, ParallelCH374S USB Host & Device / Slave for MCU, parallel / SPICH374T USB Host & Device / Slave for MCU, parallel / SPICH375S USB Host & Device / Slave for MCU, parallel / UART SerialCH375A USB Host & Device / Slave for MCU, parallel / UART SerialCH375V USB Host & Device / Slave for MCU, parallel / UART SerialCH411G FDC MFM encode and decodeCH421A Dual port bufferCH421S Dual port bufferCH423D I2C/IIC I/O expander, 16 GPO + 8 GPIO, 128 LEDs DriveCH423S I2C/IIC I/O expander, 16 GPO + 8 GPIO, 128 LEDs DriveCH423D_D I2C/IIC I/O expander, 16 GPO + 8 GPIO, 128 LEDs DriveCH423S_D I2C/IIC I/O expander, 16 GPO + 8 GPIO, 128 LEDs DriveCH423G I2C/IIC I/O expander, 6 GPO + 5 GPIOCH432Q Dual 16C550 UART with IrDA, parallel / SPICH432T SPI Dual 16C550 UART with IrDACH450K 6 Digits / 48 LEDs Drive & 8x6 Keyboard, I2C/IICCH450H 6 Digits / 48 LEDs Drive & 8x6 Keyboard, I2C/IICCH450L 8 Digits / 64 LEDs Drive & 8x8 Keyboard, I2C/IICCH451L 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH451S 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH451D 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH452L_2 8 Digits / 64 LEDs Drive & 8x8 Keyboard, I2C/IICCH452L_4 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH452S_2 8 Digits / 64 LEDs Drive & 8x8 Keyboard, I2C/IICCH452S_4 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH453S 16 Digits / 128 LEDs Drive, I2C/IICCH453D 16 Digits / 128 LEDs Drive, I2C/IICPCI 32Bit PCI Bus, simple / short cardPCI32 32Bit PCI BusUSB USB Port
標簽： ch341 編程芯片 usb 串口 altium designer
上傳時間： 2022-03-13
上傳用戶：
【摘要】：隨著USB接口在計算機業界應用越來越廣泛，基于USB的接口開發顯得越來越具有現實意義。隨著客戶對系統數據采集速度要求的不斷提高，USB以其使用方便、易于擴展、速度快等優點而越來越多的被應用于各種人機接口設備中。本設計提出了一種USB接口的HID數據通訊接口設計方案，USB接口芯片采用的是PHILIP的PDIUSBD12，微控器是宏晶科技的STC89C52RC。該方案具有器件通用、成本低、方便焊接調試等特點。由于本設計采用了PDIUSBD12接口芯片，通過改變微控器的代碼可以制作成各種標準的USB設備。本設計完成了一種典型的HID設備驅動程序的開發，PC機無需額外加裝驅動便可實現和USB設備之間的通訊。而且經過典型HID設備的枚舉過程，還可用于對USB協議的熟悉和學習。上位機軟件部分，采用了VisualC++6.0編寫HID設備的控制程序，此控制程序和HID下位機設備構成了完整的USB控制系統。在此基礎上，本設計還增加了簡單的音樂播放功能，可以打開并播放格式為mp3和wma的音頻文件，還可以暫停、停止、選擇播放曲目、調節音量等；在音頻播放時HID設備彩燈可以實時顯示音頻的頻譜。這在驗證USB系統的同時，大大增加了控制的趣味性。驗證結果表明按照該方案設計的數據通訊接口和HID設計運行穩定可靠。USB是一種計算機和外部設備進行通訊連接的接口.USB的出現的目的是取代現在計算機接口，簡化計算機與外部設備的連接過程，使計算機的擴展更加方便。它使得計算機和外部設備的連接十分方便。目前，各種計算機外部設備都在逐漸改為USB接口，USB技術的出現是計算機接口技術的一大飛躍。越來越多的測控系統、信號處理系統和智能儀器選用USB接口與PC機進行高速、海量的數據通訊。但是，相對UART（通用異步串口）、LPT（打印機并行端口），USB的開發難度要大的多。采用HID（Human Interface Device，人機接口設備）的設計方案則可以很好的解決這一矛盾。
上傳時間： 2022-05-02
上傳用戶：shjgzh
USB子類協議.part2
上傳時間： 2013-05-22
上傳用戶：eeworm
