PADS-PowerLogic and PowerPcb實用教程
標簽: PADS-PowerLogic PowerPcb and 實用教程
上傳時間: 2014-12-24
上傳用戶:youmo81
The LTP5901 and LTP5902 require little external circuitry, as the devices references,decoupling and power supply filtering are integrated. The LTP5901 and LTP5902 will bemodularly certified for operation in the United States (FCC), Canada (IC) and theEuropean Union (CE).
標簽: Integration LTP Hardware Guide
上傳時間: 2013-11-22
上傳用戶:sunchao524
The LTC®4151 is a high side power monitor that includesa 12-bit ADC for measuring current and voltage, as wellas the voltage on an auxiliary input. Data is read throughthe widely used I2C interface. An unusual feature in thisdevice is its 7V to 80V operating range, allowing it to coverapplications from 12V automotive to 48V telecom.
上傳時間: 2013-10-29
上傳用戶:集美慧
Digitemp Junior – An RS-232 Port-Powered Digital Thermometer Digitemp Jr. is a device that is designed to measure and report ambient temperature. When connected to an RS-232 port on any PC, it will periodically measure and report in ASCII form the ambient temperature in degrees Celsius. These temperature readings can be monitored with any terminal program. If the terminal program supports capture to disk, the temperature readings can be saved to disk for further analysis with a spreadsheet program or other data analysis tool. The simple ASCII output format of Digitemp Jr. makes it rel- atively easy to write custom software for receiving, recording, and analyzing ambient temperature data. Best of all, Digitemp Jr. requires no external power sup- plies or batteries. It is powered directly by the RS-232 port.
上傳時間: 2013-10-21
上傳用戶:baitouyu
Designing Boards with Atmel AT89C51,AT89C52, AT89C1051, and AT89C2051 for Writing Flash at In-Circuit Test. Recent improvements in chips and testers have made it possible for the tester to begin taking over the role tradi-tionally assigned to the PROM program-mer. Instead of having a PROM pro- grammer write nonvolatile memories before assembling the board, the in-cir- cuit tester writes them during in-circuit testing operations. Many Teradyne Z18- series testers are now in use loading code into nonvolatile memories, micro- controllers and in-circuit programmable logic devices. The purpose of this note is to explain how the Z18 approaches the writing task for Atmel AT89C series IC’s, so that designers of boards using these chips can get the best results.
上傳時間: 2013-11-17
上傳用戶:xiaozhiqban
Digitemp Jr. is a device that is designed to measure and report ambient temperature. When connected to an RS-232 port on any PC, it will periodically measure and report in ASCII form the ambient temperature in degrees Celsius. These temperature readings can be monitored with any terminal program. If the terminal program supports capture to disk, the temperature readings can be saved to disk for further analysis with a spreadsheet program or other data analysis tool. The simple ASCII output format of Digitemp Jr. makes it relatively easy to write custom software for receiving, recording, and analyzing ambient temperature data. Best of all, Digitemp Jr. requires no external power supplies or batteries. It is powered directly by the RS-232 port.
上傳時間: 2013-10-20
上傳用戶:Maple
在深入了解Flash存儲器的基礎上,采用單片機自動檢測存儲器無效塊。主要通過讀取每一塊的第1、第2頁內容,判斷該塊的好壞,并給出具體的實現過程,以及部分關鍵的電路原理圖和C語言程序代碼。該設計最終實現單片機自動檢測Flash壞塊的功能,并通過讀取ID號檢測Flash的性能,同時該設計能夠存儲和讀取1GB數據。 Abstract: On the basis of in-depth understanding the Flash chips,this paper designs a new program which using the SCM to detect the invalid block.Mainly through reading the data of the first and second page to detect the invalid block.Specific implementation procedure was given,and the key circuit schematic diagram and C language program code was introduced.This design achieved the function of using the MCU checks the invalid block finally,and increased the function by reading the ID number of Flash to get the performance of the memory.And the design also can write and read1GB data
上傳時間: 2013-10-25
上傳用戶:taozhihua1314
Mega16是一款采用先進RISC精簡指令,內置A/D的8位單片機,可支持低電壓聯機 Flash和EEPROM 寫入功能;同時還支持 Basic和C 等高級語言編程。用它設計電子時鐘不僅成本低,硬件簡單,而且很容易實現系統移植。介紹了如何利用AVR系列單片機Mega16及1602字符液晶來設計電子時鐘的方法,同時給出了相應的電路原理及部分語言程序。 Abstract: ?Mega16 is a high-performance, low power consumption, the use of advanced RISC concise instructions, built-in A/D 8-bit microcontrollers, the on-line support for low-voltage Flash, EEPROM write function. Except Mega16 also support the Basic, C, and other high-level language programming.The electronic clock which is deisgned by Mega16 is not only low-cost, simple hardware, but easy to achieve system migration.The design method of electrioic clock based on the AVR Mega16 and character LCD1602 is introduced in this paper,and the corresponding circuit electrionic and some language program are given.
上傳時間: 2014-12-27
上傳用戶:zl5712176
The CAT93C46 is a 1 kb Serial EEPROM memory device which isconfigured as either 64 registers of 16 bits (ORG pin at VCC) or 128registers of 8 bits (ORG pin at GND). Each register can be written (orread) serially by using the DI (or DO) pin. The CAT93C46 features aself−timed internal write with auto−clear. On−chip Power−On Resetcircuit protects the internal logic against powering up in the wrongstate.
上傳時間: 2013-11-20
上傳用戶:ynzfm
Safety GuidelinesThis manual contains notices which you should observe to ensure your own personal safety, as well as toprotect the product and connected equipment. These notices are highlighted in the manual by a warningtriangle and are marked as follows according to the level of danger:
標簽: Programmable 300 and
上傳時間: 2013-12-12
上傳用戶:fandeshun