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单片机编程  PCA9542A 2channel I2C bus mult

The PCA9542A 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. Two interrupt inp ...

https://www.eeworm.com/dl/502/31006.html

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单片机编程  PCA9549 Octal bus switch with

The PCA9549 provides eight bits of high speed TTL-compatible bus switching controlledby the I2C-bus. The low ON-state resistance of the switch allows connections to be madewith minimal propagation delay. Any individual A to B channel or combination of channelscan be selected via the I2C-bus, determi ...

https://www.eeworm.com/dl/502/31009.html

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单片机编程  PCA9546A 4 channel I2C bus swi

The PCA9546A is a quad bidirectional translating switch controlled via the I2C-bus. TheSCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individualSCx/SDx channel or combination of channels can be selected, determined by thecontents of the programmable control register.

https://www.eeworm.com/dl/502/31012.html

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单片机编程  PCA9555 16bit I2C-bus and SMBu

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 ...

https://www.eeworm.com/dl/502/31013.html

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单片机编程  PCA9547 8 channel I2C bus mult

The PCA9547 is an octal bidirectional translating multiplexer controlled by the I2C-bus.The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Only oneSCx/SDx channel can be selected at a time, determined by the contents of theprogrammable control register. The device powers up w ...

https://www.eeworm.com/dl/502/31016.html

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单片机编程  PCA9548A 8 channel I2C bus swi

The PCA9548A is an octal bidirectional translating switch controlled via the I2C-bus. TheSCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individualSCx/SDx channel or combination of channels can be selected, determined by thecontents of the programmable control register.An ...

https://www.eeworm.com/dl/502/31022.html

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单片机编程  8-bit I2C-bus and SMBus IO port with reset

The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion for SMBus and I2C-bus applications. The PCA9557 consists of an 8-bit input port register, 8-bit output port register, and an I2C-bus/SMBus interface. It has low current consumption and a high-impedance open-dra ...

https://www.eeworm.com/dl/502/31025.html

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单片机编程  Using the Stellaris Microcontr

Luminary Micro Stellaris&#8482; microcontrollers that are equipped with an analog-to-digital converter(ADC), use an innovative sequence-based sampling architecture designed to be extremely flexible,yet easy to use. This application note describes the sampling architecture of the ADC. Sinceprogrammer ...

https://www.eeworm.com/dl/502/31064.html

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单片机编程  Clocking Options for Stellaris

The main oscillator allows either a crystal or single-ended input clock signal. Cost-sensitiveapplications typically use an external crystal with the on-chip oscillator circuit since it is the mostcost-effective solution. It is also possible to use the internal oscillator to clock the device after t ...

https://www.eeworm.com/dl/502/31067.html

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单片机编程  DUAL DIGITAL ISOLATORS

The ISO7220 and ISO7221 are dual-channel digital isolators. To facilitate PCB layout, the channels are orientedin the same direction in the ISO7220 and in opposite directions in the ISO7221. These devices have a logic inputand output buffer separated by TI’s silicon-dioxide (SiO2) isolation barrier ...

https://www.eeworm.com/dl/502/31077.html

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