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TMS320F28027
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  • Forum Post: How many eCAP ports does TMS320F28027 have?

    Xiaoyong Zhu
    Hi, I'm using TMS320F28027 currently.In my design, I'd like to use 2 eCAP ports to capture two waveforms. But I found that this chip have only one eCAP port(Port 25 or port 40, in PQFP package), which I'm not very sure. Could anyone tell me how many eCAP ports does TMS320F28027 have...
    on Mar 2, 2010

  • Forum Post: F2802x SCI external pins

    ulu
    In Piccolo Data Manual (SPRS523D) Table 2-2, there are 3 pairs of SCIRXDA/SCITXDA listed (mapped to various GPIO's). But there is only one SCI module in the DSP, I do not know how to decide which pins to use for tx and rx. Please show me some pointers. Thanks in advance. ...ulu
    on Mar 17, 2010

  • Forum Post: Re: How many cycles takes to divide and multiple?

    Michael Blankson
    Hi Mario Thanks for the answer, but the filters are implemented in C and I want to know much clock cycles takes for division and multiplication operation in CCS v3.3. Are there any tools that can be used to analyse the code in CCS to verify how many cycles one has used? Thanks Michael
    on May 14, 2010

  • Forum Post: TMS320F28027 - ADC Interrupt Problem

    Johannes Dröge
    Hi verybody, I am trying to use the ADCINT on my TMS320F28027. It just wont work. This is the code I use to setup the interrupt: ADCInit(): EALLOW; AdcRegs.ADCCTL1.bit.ADCREFSEL = 0; // use internal band gap reference AdcRegs.ADCCTL1.bit.ADCBGPWD = 1; // power up band gap AdcRegs.ADCCTL1.bit...
    on May 17, 2010

  • Forum Post: Design Software of TMS320F28027

    Dror Medini
    Hello! I would like to receive a “.DSN” file of the TMS320F28027 Micro controller, if possible . In TI's site I can only find a pdf file of TMS320F28027 scheme and I really appreciate a ".DSN" (a file that can be opened in Orcad) file of this Micro controller. It is possible...
    on Jul 12, 2010

  • Forum Post: Some Questions for Clock of controlSTICK of 28027 and Lab Projects of Piccolo One Day Workshop

    Hao Qin13624
    Hello Everyone, I have two questions for clock of controlSTICK 28027 and lab projects of Piccolo one day workshop: 1. I find the clock pins of controlSTICK are empty when I read its schematic. I don't know how the controlSTICK receives clock signal. 2. In the lab projects, I find all source...
    on Jul 28, 2010

  • Forum Post: SPI Problem with TMS320F28027

    Christian Banzhaf
    Hello everybody I try to connect the CC2500 to my TMS320F28027. So i set up the SPI Interface and it works already. For example i can change the frequency of the CC2500. Now i need to read out a register value of the CC2500. My code looks like this: char CC2500_SPIReadReg(char addr) { Uint16...
    on Jan 4, 2011

  • Forum Post: ePWM, Trip zone and analog comparator

    JHi
    I have set up the comparators in a way that when low over current occurs it will give me an interrupt which I handle. If there is a bigger overcurrent PWMs will be disabled and again interrupt occurs. The problem is that how can I configure the interrupts and everything so that I get only one interrupt...
    on Jun 23, 2010

  • Forum Post: How many cycles takes to divide and multiple?

    Michael Blankson
    Hi everyone, Can someone help me to find out, how many cycles takes to perform a division and multiplication operation in CCS v.3.3 - TMS320F28027(C28x Piccolo series). I'm to design some filters and I want to know if these operations takes more clock cycles to perform. I hope to hear from...
    on May 14, 2010

  • Forum Post: F28027 SPI

    Toby Mole
    Hi There Slight confusion on the SPI SPISTE-bar pin on the TMS320F28027 device. I would have thought as a master device it would want to connect to multiple slave devices, yet the SPI manual indicates that the SPISTE-bar pin is used for chip select in master as well as slave modes (I had assumed...
    on Jul 11, 2011

  • Forum Post: Creating "read only" files

    Dror Medini
    Hello! I am using CCS3.3 and I have written some code to run on the piccolo. I would like to create the following setup for a student's lab experiment: Running CCS3.3, a student chooses a flag in some interface file, builds the project, and runs it. However, except the interface file...
    on Jul 13, 2011

  • Forum Post: Piccolo Analog Comparator module problem

    Dror Medini
    Hello, I am using the ‘piccolo’ microcontroller with CCS 3.3, and I would like to use its 2 built-in Comparators. In my code I run InitCompGpio defined in the ‘C:\tidcs\c28\DSP2802x\v126\DSP2802x_common\source\DSP2802x_Comp.c’ file from the “2802x C/C++ Header...
    on Jul 17, 2011

  • Forum Post: Help Include header file that contain of (C language) Structure and Union into Assembly

    Trung Ngo Minh
    Hello, Now I is using CCS V3.3. I want to Include header file into Assembly . But arised many Error. For example: In Assembly source .cdecls C,LIST, "DSP2802x_EPWM_defines.h" This DSP2802x_EPWM_defines file is consist of : Structure, Union,..... ect. such as: struct TBCTL_BITS...
    on Jul 14, 2011

  • Forum Post: Re: ADC accuracy and calibration

    Nicholas Smith57318
    Make sure you run the AdcOffsetSelfCal() function after the DeviceCal() function and not before. Also try running the 5 steps in Section 1.8.2 manually instead using AdcOffsetSelfCal(): http://www.ti.com/litv/pdf/spruge5c . Lastly, make sure the gain error is not due to your input anti-aliasing filter...
    on Jul 26, 2011

  • Forum Post: About the DACCTL and RAMPDECVAL_SHDW Registers of the Piccolo Comparator Module ...

    eric yg
    Hi All, About the DACCTL and RAMPDECVAL_SHDW Registers of the Piccolo Comparator Module that can't look for at the PiccoloADC datasheet (spruge5c). Why do the DACCTL and RAMPDECVAL_SHDW Registers appear at the HVPSFB_PCMC and HVPSFB_VMC project? So far, the Piccolo comparator reference guide is...
    on Aug 4, 2011

  • Forum Post: Re: Using simulink block to generate C code with c2000 DSP

    Renier Els
    Hallo there This is not a reply but rather a question. My setup is very similar to yours except that I am working wit the F28027 piccolo mcu which is similar to the F28335. So here's my question: In my simulink model I have configured my adc block for an analog signal input (<3.3)...
    on Aug 17, 2011

  • Forum Post: Digital PFC

    SHIANG KAI HUANG
    Normal 0 0 2 false false false EN-US ZH-TW X-NONE MicrosoftInternetExplorer4 ...
    on Aug 19, 2011

  • Forum Post: Re: Reading ADC result is wrong In TMSDXDOCK28027 KIT

    Trung Ngo Minh
    Devin, I called Device_cal() funcion in init. the target TMS320F28027. The all init have not arised problem . ADC setting as folllowing: ACQPS = 25. ADC clock = 60 Mhz, Device Markings: X320-980-F28027PTA -C88ACY4T i try how many time but wrong ADC result. Ex: value of ADC result reg = 2937...
    on Aug 30, 2011

  • Forum Post: Re: Reading ADC result is wrong In TMSDXDOCK28027 KIT

    Trung Ngo Minh
    (Please visit the site to view this file) Hi Devin, Now, I running on a TMDXDOCK28027 Kit . ADC configured as following: PWM_1ch_CNF(4,1000, 1, 0); // ePWM4 used for ADC Trigger EPwm4Regs.ETSEL.bit.SOCAEN = 1; EPwm4Regs.ETSEL.bit.SOCASEL = ET_CTR_ZERO; EPwm4Regs.ETPS.bit.SOCAPRD = ET_1ST; ChSel[1...
    on Sep 1, 2011

  • Forum Post: Reading ADC result is wrong In TMSDXDOCK28027 KIT

    Trung Ngo Minh
    Hello, Now, I is testing in TMSDXDOCK28027 KIT. When read ADC Result from ADC Result Register. After, use to equation (From datassheet TMS320x2802x, 2803x Piccolo Analog-to-Digital Converter (ADC) and Comparator, Page 18). Digital Value = 4096[(Vinput - VREFLO)/3.3V]. Form this equation, i calculated...
    on Aug 22, 2011

  • Forum Post: TMS320F28027 I2C Slave mode initial communications issues.

    Judson Wilson
    We have a TMS320F28027 operating in slave mode. We are having a heck of a time getting the initial communications to work. Both my intern and I have messed with this thing for days. The odd thing is, if you do some weird combo of resetting the code, things will just work beautifully after that - but...
    on Sep 14, 2011

  • Forum Post: Problems compiling CCSv4

    Rodrigo Rodrigues Teixiera
    Hello I'm having a problem compiling the CCSV4 , I am a User of MSP430 active, and decided to use the C2000 . Acquired Piccolo for future use but I'm not conseguin compile the code. I did import the example files controlSUITE , Target created the new all documents like this in the Wiki. But when...
    on Sep 5, 2011

  • Forum Post: Regarding ADC Result Registers for Piccolo (TMS320F28027)

    J D
    Hi All, I am using the Piccolo TMS320F28027 device and the inbuilt ADC module for my application. I would like to know what happens to the ADC Result Registers once they are read by my application? Are they updated only on next conversion or are they automatically cleared once the application software...
    on Oct 25, 2011

  • Forum Post: problem in erasing flash of 28027

    Harrison 2011
    Hello, I am using a HVPSFB kit and following the procedures in Phase shifted full bridge CCS user guide 1.0, after sucessfuly building/loading and runing PCMC project a few times it began shows the following information repeatly: C28xx: Flash Programmer: Error erasing Flash memory. C28xx: Flash...
    on Sep 27, 2011

  • Forum Post: About "CTR = zero pulse" of Piccolo ePWM

    Nathan Morgan
    Hello Everyone, I have questions about Time-Base Submodule of piccolo ePWM. When is CTR = zero pulse generated? TBCTL[PHSEN] is set. I understand that CTR = zero pulse is generated on below condition when TBCTL[PHSEN] is set. (1) Count-up; 0xFFFD, 0xFFFE, 0xFFFF->0x0000 (2) Count...
    on Oct 20, 2011
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