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单片机编程  OMAP-L1xC674xAM1x SOC体系结构概览

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https://www.eeworm.com/dl/502/30704.html

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单片机编程  A Single-Chip Pulsoximeter Des

This application report discusses the design of non-invasive optical plethysmographyalso called as pulsoximeter using the MSP430FG437 Microcontroller (MCU). Thepulsoximeter consists of a peripheral probe combined with the MCU displaying theoxygen saturation and pulse rate on a LCD glass. The same se ...

https://www.eeworm.com/dl/502/30710.html

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单片机编程  ARM处理器的工作模式

ARM处理器的工作模式 ARM处理器状态&nbsp;&nbsp;&nbsp; ARM微处理器的工作状态一般有两种，并可在两种状态之间切换：第一种为ARM状态，此时处理器执行32位的字对齐的ARM指令；第二种为Thumb状态，此时处理器执行16位的、半字对齐的Thumb指令。在程序的执行过程中，微处理器可以随时在两种工作状态之间切换，并且，处理器工 ...

https://www.eeworm.com/dl/502/30722.html

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单片机编程  FREERTOS的官方移植文档

FeaturesThe following standard features are provided.&#8226; Choice of RTOS scheduling policy1. Pre-emptive:Always runs the highest available task. Tasks of identical priorityshare CPU time (fully pre-emptive with round robin time slicing).2. Cooperative:Context switches only occur if a task blocks, ...

https://www.eeworm.com/dl/502/30820.html

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单片机编程  DTMF Decoding with a PIC16xxx

This application note describes how to decode standard DTMF tones using the minimum number of external discrete components and a PIC. The two examples use a PIC which has an 8 bit timer and either a comparator or an ADC, although it can be modified for use on a PIC which has only digital I/O. The Ap ...

https://www.eeworm.com/dl/502/30878.html

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单片机编程  TMS320C6000 Assembly Language

Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their productsor to discontinue any product or service without notice, and advise customers to obtain the latestversion of relevant information to verify, before placing orders, that information being relied onis curren ...

https://www.eeworm.com/dl/502/30951.html

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单片机编程  PCA9517 Level translating I2C-

The PCA9517 is a CMOS integrated circuit that provides level shifting between lowvoltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I2C-bus or SMBus applications.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also permits extension of t ...

https://www.eeworm.com/dl/502/30990.html

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单片机编程  PCA9540B 2channel I2C bus mult

The PCA9540B is a 1-of-2 bidirectional translating multiplexer, controlled via the I2C-bus.The SCL/SDA upstream pair fans out to two SCx/SDx downstream pairs, or channels.Only one SCx/SDx channel is selected at a time, determined by the contents of theprogrammable control register.

https://www.eeworm.com/dl/502/31000.html

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单片机编程  PCA9519 4channel level transla

The PCA9519 is a 4-channel level translating I2C-bus/SMBus repeater that enables theprocessor low voltage 2-wire serial bus to interface with standard I2C-bus or SMBus I/O.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also permits extension of ...

https://www.eeworm.com/dl/502/31002.html

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单片机编程  PCA9541 2 to 1 I2C-bus master

The PCA9541 is a 2-to-1 I2C-bus master selector designed for high reliability dual masterI2C-bus applications where system operation is required, even when one master fails orthe controller card is removed for maintenance. The two masters (for example, primaryand back-up) are located on separate I2C ...

https://www.eeworm.com/dl/502/31003.html

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