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Jaydeep

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Everything posted by Jaydeep

  1. Hello, I am new to MSP430 devices and learning CCS to program it. I downloaded the following code to my MSP430F5438A contoller to check its behavior. It says LED gets ON when voltage @ P6.0 is greater than half of AVcc. AVcc is 3.3V, so LED should glow when P6.0 > 1.65. But LED doesn't glow until the voltage reaches to 3.6V. Please help me out with this. // MSP430F543xA Demo - ADC12_A, Sample A0, Set P1.0 if A0 > 0.5*AVcc // // Description: A single sample is made on A0 with reference to AVcc. // Software sets ADC12SC to start sample and conversion - ADC12SC // automatically
  2. hello, I am working on project in which i need internet connectivity. I am using MSP430F5438A. I came across many ethernet controllers, but i chose ENC28J60. does anybody know how to interface ENC28J60 with MSP4305438A ? any help would be appreciated.
  3. Hello, I am working on project to design sensor network. I want to send my data over internet. I read the TI manual (slaa 137a) regarding internet connectivity of MSP430. They have shown interfacing between MSP430F149 and CS8900A ethernet controller. I am working on MSP430F5438A. I want to know is it possible to interface MSP430F5438A with CS8900A as shown in manual. If it is possible then should I interface CS8900A with any general purpose port of MSP430F5438. Shall I need RTOS for MSP430F5438 to implement ethernet connectivity?
  4. Jaydeep

    MSP430F5438

    Hello, I am working on a project to design LPG detection system using MSPEXP430F5438 experiment board. My sensor gives 3V output when exposed to air and gives around 5V output when exposed to LPG. My sensor should alarm when output is above 3V. I want to use ADC12 core of MSP430F5438A. I have doubts regarding ADC12 like what should be the reference level, what should be the sampling cycle etc. Any help would be appreciated.
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