Quantcast
Channel: MSP low-power microcontrollers
Browsing all 62306 articles
Browse latest View live
↧

Forum Post: Interrupt Programming

Q.1.Why we have to clear the Interrupt flag in ISR as given below i.e. #pragma vector = PORT2_VECTOR __interrupt void port2(void) { P2IES ^= BIT1; // Toggle interrupt edge SWITCH DEBOUNCING P2IFG...

View Article


Forum Post: RE: MSP430F5529: genration of pulse from [1 milli second to 15...

hello illmars, how accurate a precision reference oscillator is going to be because if i want to genrate 15000 ms pulse with 1 ms accuracy my clock should be has to be .003 % accurate atleast.

View Article


Forum Post: CCS/MSP432P401R: Implement SPI on SPPDemo example

Tool/software: Code Composer Studio Hi, I'm trying to use spi on SPPDemo example. I've checked Serial Clock Source with Oscilloscope. No output comes out on pin I've customized. So I've made new...

View Article

Forum Post: RE: Interrupt Programming

hello abhishek, whenever an interrupt is detected it's corresponding flag bit is set and if you had enabled (GIE + IE ) ISR will be executed. the set flag bit represent that interrupt has been detected...

View Article

Forum Post: RE: MSP432P401R: Please help to figure out the relationship...

Hello Chris, Thank you, description in the source code (below) answers question, thou would be good if User Manual is updated accordingly. At the moment documentation is missing this important piece of...

View Article


Forum Post: RE: MSP430F5529: genration of pulse from [1 milli second to 15...

TCXO oscillators have more precision than you need. For instance this one have 0.5ppm (0.00005%), not too expensive either. [edit] Note that they are not that low power, ~ 1.5 mA @ 3.3V

View Article

Forum Post: RE: MSP430F5529: genration of pulse from [1 milli second to 15...

hello ilmars , thanks for your reply sir, i will check this and update you further.

View Article

Forum Post: RE: MSP432P401R: msp432 dma impact on cpu cycles

[quote user="Eric Decker"]that link doesn't work[/quote] Sorry, another try: http://www.st.com/resource/en/reference_manual/dm00043574.pdf It is the STM32F3 reference manual, named "DM00043574.pdf",...

View Article


Forum Post: RE: MSP432P401R: msp432 dma impact on cpu cycles

I'm looking for something similar but for the TI MSP432 implementation. The way the buses and interconnect is laid out is vendor specific. TI? Could I get some more information about the bus matrix in...

View Article


Forum Post: RE: MSP432P401R: msp432 dma impact on cpu cycles

[quote user="f. m."]It is the STM32F3 reference manual, named "DM00043574.pdf", document designated as RM0316.[/quote] Well, I do not see anything that would say that ST implemented other than AHB bus...

View Article

Forum Post: MSP430G2553: MSP430 / MSP432 - external start trigger/interrupt,...

Part Number: MSP430G2553 Dear all, I have used a simple MSP430G2553 for interfacing an ASIC in a lab prototype. Now I would like to replace an external FPGA that is used to generate precise delays on a...

View Article

Forum Post: RE: MSP432P401R: Please help to figure out the relationship...

Illmars, Thanks for the feedback on the documentation. We are definitely always looking for ways to improve our documentation and we will take this and try and incorporate it into the documentation...

View Article

Forum Post: RE: Using the ZC bit of MSP430X prefix words in MSP430-GCC...

Maybe s.o. from TI can chime in here and make some official statement how the syntax should look like? Or s.o. knows how it is handled in code composter or else?

View Article


Forum Post: RE: CCS/MSP430F6659: DCO above 100Mhz

[quote user="Jignesh Doshi1"] if so then this figure shows Fdso upto 100 Mhz . so what is the meaning of that, another thing is that from page no 61 one can made a prediction that it can work up to...

View Article

Forum Post: RE: Compiler/MSP430G2553: how to correct program to MSP430G2553...

I guess that due to wrong BSL password, complete flash memory is erased, including info A segment with DCO constants. There is no DCO constants, and if DCO is used, program can't run. This was...

View Article


Forum Post: RE: MSP430F5659: Hardware Multiplier speed

Hi, Thank you both for such a thorough approach to my question. I'm glad I can say you helped a lot. I removed delay and MPYCTL0 mode set, register save and restore, and also reading low result byte...

View Article

Forum Post: RE: CCS/MSP432P401R: systick_interrupt_gpio_blink Example Only...

Hunter, How does the reset/jtag lines compare with your board and he Launchpad and/or the target board, www.ti.com/.../slau571a.pdf ? I am looking into the differences between the XDS110 (launchpad)...

View Article


Forum Post: CCS/MSP430G2553: I2C receive does not seem to work

Part Number: MSP430G2553 Tool/software: Code Composer Studio I want to read values from an INA 219 current sensor using the I2C protocol. I tried running the following code, to read multiple bytes from...

View Article

Forum Post: RE: MSP432P401R: msp432 dma impact on cpu cycles

[quote user="Ilmars"]Well, I do not see anything that would say that ...[/quote] My point was mainly about documentation , not about implementation . Details about burst/word transfers and arbitration...

View Article

Forum Post: RE: Webench/MSP-EXP432P401R: MSP432 Launchpad wont download via...

Brett, The posting has been moved for you.

View Article
Browsing all 62306 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>