MSP430™ Microcontrollers

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MSP430™ Microcontrollers

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  • Forum Post: Re: SPI interface on MSP430F2274 microcontroller / eZ430-RF2500 dev board

    zita wong
    I am trying to interface the MSP430 on the EZ-target board to an external device using the SPI on channel B0. I am using the wireless temperature-sensor network demonstration application provided with the eZ430-RF2500 development tool to develop my code (i.e I want to use wireless as well). The temperature...
    on Mar 7, 2009

  • Forum Post: Re: cc2500 port for eZ430

    Martyn Ferry
    By the SPI port/pin mappings, do u mean the SIMO, SOMI, CLK, and CS mappings? I was unsure as to whether these are right, but those are the mappings I deduced from looking at the schematics and user guides. Could you give a reference to the document that will give correct mappings? are the changes i...
    on Apr 16, 2009

  • Forum Post: Re: ez430-2500: adding a DAC with SPI

    BrandonAzbell
    What you propose regarding writing a sample to the DAC seems very plausible. My concerns would actually be with how the CC2500 would react to its CSn (the UCA0STE of the MSP430F2274 ) activating then deactivating without any clocks. I'm not sure what it would do. However, I do believe it will ignore...
    on Apr 18, 2009

  • Forum Post: ez430-2500: adding a DAC with SPI

    Riccardo Bernardini
    Dear all, for a project of mine, I need to add a DAC (with SPI interface) to the ez430-rf2500. If I understand correctly, the ez430-rf2500 uses the USCI_B module in SPI mode to interface the MSP with the CC2500, so I have the problem of "synchronizing" the access to the DAC and the access...
    on Apr 16, 2009

  • Forum Post: cc2500 port for eZ430

    Martyn Ferry
    I have been trying to follow the instructions in the file "swra141.pdf" that accompanies the cc2500 example for use with the msp430fg4618 experimenters board. it states that you need to change a few things in certain files to get the code to work on other platforms, and using the literature...
    on Apr 11, 2009

  • Forum Post: CC2500 send packet issues

    Martyn Ferry
    I am currently using the CC25000EMK on the MSP-EXP430FG4618 experimenter board to communicate with the eZ430-RF2500. This is utilising a modified version of the CCxxxxEMK code running on the RF2500T to gain a common RF interface between the two boards. I am trying to send a packet from the eZ430...
    on Apr 27, 2009

  • Forum Post: Timing Sampling of Two Analog Inputs

    Rebecca Bercich
    I'm new to PICs and have had very little experience with C++ but have been asked to program a 12-bit, 64-pin MSP-TS430PM64. I already have it sending out a square wave to two LEDs, but I need it to receive and sample two analog signals from two photodiodes while the LEDs are lit up. It's mostly...
    on Jul 7, 2009

  • Forum Post: How to make a programme for the ED to send data to The AP?

    Shahrokh Pagah
    Hello Engineers... I want to set the ED and the AP programmes to send and receive data from ED to AP. The ED to send a packet e.g. 88 66 99. and the AP receive the packet and send it to the PC. Via com port. and then how can i be able to see them can it be displayed in sensor demo monitor consoole...
    on Nov 19, 2009

  • Forum Post: Define secondary peripheral in MSP430F2618

    renka
    I' m working with MSP430f2618 and IAR IDE. The question is gpio 3.1 has 3 types of operation.It could be a regular GPIO or SPI chip select or I2C. According to userguide,in order to select secondary peripheral(for e.g. I2C),i need write 31SEL=1 and 31SEL2=1. But,there is no register SEL2...
    on Jan 4, 2010

  • Forum Post: Configuring MSP430F2274 in slave mode by using USCI B

    sami mkeche5
    Hi, I need to make SPI communication with MSP430F2274 in Slave Mode. Where can I found a code example to do this. thanks
    on Feb 17, 2010

  • Forum Post: Before posting to this forum: what you should know...

    chris.
    ***Please note: replies to questions or comments placed in this forum may not occur until August 27, 2009.*** On August 27th, 2009 from 11am - 1pm (CDT, -6:00 GMT) A TI content expert will be in this forum answering community members' questions related to "MSP430 Microcontrollers," as a...
    on Aug 18, 2009

  • Forum Post: block write flow

    Nkolas Stavrou
    Dear friends, Writing the following program, flash ACCVIFG and LOCK become set. Could you inform me why? MOV #32,R5 ; Use as write counter MOV #0F000h,R6 ; Write pointer MOV #WDTPW+WDTHOLD,&WDTCTL ; Disable WDT DINT ; Disable interrupts L1 BIT #BUSY,&FCTL3 ; Test BUSY...
    on Mar 4, 2010

  • Forum Post: I2C communications and interrupts w/o LPM

    Brett O'Connor
    This is partially a continuation of my other thread . I have been getting the rest of the hardware together and only recently have returned to the MSP430 and the I2C DAC. I would like to output the MSB, then the LSB, and then exit low power mode. I want to exit LPM because I would like to calculate...
    on Apr 19, 2010

  • Forum Post: Re: printf from MSP430

    tech
    I am having the same problem but with a MSP430FG439 even I reviewed and done the steps described in your link "How to use printf". CIO is enabled, stack/heap size is 300 bytes. When testing the same project as above (with the header file msp430xg43x.h) I can not see anything in the CIO console...
    on Apr 29, 2010

  • Forum Post: Flash Memory in MSP430

    abhishek Sabnis
    I am storing 1 variable in my program to flash memory by flash write function. and i want to read that in diffrent loop of same program. how can i achive that. I am keeping track of time in my timer interupt and writing 1 day after every 24hrs in flash. if after some days i want to see how may days past...
    on Jun 3, 2010

  • Forum Post: Re: MSP430f2013 SPI Slave usage

    rmznrkn
    Hi all, Could somebody answer my previous question? By just looking program flow could you say that looks fine or not? I believe it will work, but currently, i think i have not correctly configure the SPI module of both device, yet. I am waiting your responce, If you give any I will be so glad...
    on Aug 23, 2010

  • Forum Post: Demodulating an analog FM signal

    Amir Borna
    Hello, I was wondering how I can demodulate an analog FM signal centered at 433MHz with a 6MHz BW, using one of TI microcontrollers. Thank you very much. Regards, Amir Borna.
    on Dec 29, 2010

  • Forum Post: 6 Channel Timer/Counter Micro Available?

    babs76
    Is there a microcontroller available with at least 6 channels of timer/counter and CAN bus?
    on Jan 19, 2011

  • Forum Post: Can we implement a software based error correction medhod for internal sram of a microcontroller?

    rmznrkn
    Hi, Suppose that we try to keep an information in sram of a microcontroller for one year period. Without power off, it stores that information even if it gets a reset due to any thing other than power off/on. How can we do this, or can we? Can we use an error correction mechanism? Thanks and...
    on Mar 11, 2011

  • Forum Post: Serial receive help, Serial shift

    Justin Burrell
    I am trying to use either a pic16f917 or a pic18f4550 to read a synchronous serial signal. I have a parallel to serial 74HC165 shift register with a 555 timer creating my serial signal. I am using assembly language and am trying to figure out the best way to receive the input and move it to portB and...
    on Mar 16, 2011

  • Forum Post: msp430 data transfer programing problem.

    Shahrokh Pagah
    How to make a programme for the ED to send data to The AP? Hello Engineers... I want to set the ED programmes to send data to AP. The ED to send a packet e.g. 88 66 99. and the AP receive the packet and send it to the PC. Via com port. and then how can i be able to see them can it be displayed...
    on Nov 23, 2009

  • Forum Post: Re: "Placement fails for object ".text" error message?

    Doug Jorgesen
    I have the same problem, using Code Composer Studio Version 4.1.2.00027, the free version, and the MSP430G2231 that was included with the Launchpad development kit. I think that it is related to memory somehow. I am displaying an image that I have created using a bitmap to binary converter on an LCD...
    on Apr 6, 2011

  • Forum Post: USCI (SPI) Interrupt vs. Delay Loop Power

    Doug Jorgesen
    Hello everyone, I have a question about how to lower the power consumption of my system. I'm using an MSP430F2619 to drive an LCD using SPI (the LCD has a built in ST7565R controller). My question is when I am using SPI, after I load the UCxTXBUF (transmit buffer) with a new character, is it more...
    on Apr 14, 2011

  • Forum Post: Stopping Timer A Interrupt

    Tony Cantu
    Hello everyone, I was wondering if someone could point me in the right direction. I'm trying to measure the period of a square wave signal, and the interrupt does happen but it never stops. It is supposed to stop when PWBuffer is filled but it keeps going. Here is my code: unsigned int PWBuffer...
    on Apr 18, 2011

  • Forum Post: MSP430F247

    SeanECE
    Right now I am troubleshooting a device with a MSP430F247T chip installed. Unfortunately, the port does not seem to be working at all. With the manufacturer's software, it looks like the Analog Input on pin 2 is floating. This will sound like an odd question but "What does a fried/bad analog...
    on Apr 21, 2011
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