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The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed toenhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvementsinclude higher drive capability, 5 V I/O tolerance, lo ...

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, Revis ...

The 87LPC76X Microcontroller combines in a small package thebenefits of a high-performance microcontroller with on-boardhardware supporting the Inter-Integrated Circuit (I2C) bus interface.The 87LPC76X can be programmed both as an I2C bus master, aslave, or both. An overview of the I2C bus and descr ...

使用注意：注意烧写的时候不要勾选SC0,SC1这两项加密项也不要选 初学51单片机或是业余玩玩单片机开发，每次总要不断的调试程序，如没有仿真器又不喜欢用软件仿真，那只有每次把编译好的程序烧录到芯片上，然后在应用电路或实验板上观察程序运行的结果，对于一些小程序这样的做好也可以很快找到程序上的错误，但是程序大了， ...

On the LPC13xx, programming, erasure and re-programming of the on-chip flash can be performed using In-System Programming (ISP) via the UART serial port, and also, can be performed using In-Application Programming (IAP) calls directed by the end-user code. For In-System Programming (ISP) via the UAR ...

MAXQUSBJTAGOW评估板软件:关键特性 Easily Load and Debug Code Interface Provides In-Application Debugging Features Step-by-Step Execution Tracing Breakpointing by Code Address, Data Memory Address, or Register Access Data Memory View and Edit Supports Logic Levels from 1.1V to 3.6V Supports JTAG and 1 ...

MAXQUSBJTAGOW评估板软件:关键特性 Easily Load and Debug Code Interface Provides In-Application Debugging Features Step-by-Step Execution Tracing Breakpointing by Code Address, Data Memory Address, or Register Access Data Memory View and Edit Supports Logic Levels from 1.1V to 3.6V Supports JTAG and 1 ...

ARM7硬件说明与开发 The ARM7 is a low-power, general purpose 32-bit RISC microprocessor macrocell for use in application or customer-specific integrated circuts (ASICs or CSICs). Its simple, elegant and fully static design is particularly suitable for cost and power-sensitive applications. The ARM7’ ...

IAP，全称是“In-Application Programming”，中文解释为“在程序中编程”。 IAP 是一种 对通过微控制器的对外接口（如 USART， IIC， CAN， USB，以太网接口甚至是无线射频通道） 对正在运行程序的微控制器进行内部程序的更新的技术（注意这完全有别于 ICP 或者 ISP 技 术） ...

This book on electrostatic discharge phenomena  is  essentially a translation and update  ofa  Swedish edition from 1992. The book is intended for people working with electronic circuits and equipments, in application and development. All personnel should be aware  of  ...