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Found 5 results

  1. Hello ,I'm using MSP430F5131 Microcontroller of TI.I also use a MSP-FET Emulator in order to program that device.i have written a code in Code Composer Studio (Defined the properties of CCS's project to the devices im using).I compiled the program and no errors has found.Then i connected the MSP-FET to the board according to the datasheet SLA138H , page 26 . (The board supplies the 3.3V so i connected it to pin 4 in the JTAG connector of the MSP-FET). I didn't connect the TEST/VPP and didnt connect the the resistor R2 330Ohms as instructed in that datasheet coz i dont need to use the fuse blow protection functionality.My problem occurs when i try to download the program to the MSP430 device , when i hit on the downloading button an error message pops up :"Error connecting to the target: Unknown device".I tried to do the same in IAR Embedded Workbench (Same code , same properties) it asks me to update my firmware of the MSP-FET i click ok and it updates the firmware , but then i get the same error as i have got in the Code Composer Studio : "Tue May 01, 2018 11:08:46: Fatal error: Could not find device (or device not supported) Session aborted! "It is needed to be said that when i hit on the download button the "MODE" red led on the MSP-FET flashes and then stays on after the error message has been popped.I tried to get the 3.3V supply voltage for the downloading purposes from the MSP-FET (JTAG pin 2) and it still doesn't work and get the same error.I also made sure that the MSP430 gets the amount of voltage its needed (3.3V from the board by a regulator).I would like to know how i can solve this problem and download my code into the MSP430.I have attached a wiring schematic of the board. hope it will help.thanks in advance. updated electrical drawing.pdf
  2. I want a temporary connection to my target board, to program it using SBW. I don't want to populate the target board with a connector. I previously used a row of plated through holes and just manually held a row of pin headers jammed at an angle into the holes. Is there a better solution? Something that clamps or is spring loaded to the board/pads? A female edge connector? A female USB connector? An RJ-45 ethernet connector? I'm using the EZ430-2013 USB launchpad. I only need four wires. It takes a few tens of seconds to flash the target. The production volume is low (say tens of units.) The target board is only a few square centimeter so I prefer a small footprint for any pads. I prefer to not design the board outline for an edge connector or USB. It doesn't have to clamp, but my feeling is that spring loading of some sort would be more reliable than my unsteady hand jamming a row of sharp, hard pins into through holes.
  3. Hi all I am new to TI environment, before this all of my projects were based on Arduino. I have developed one circuit with 5969 launchpad its working fine. Now I want to make it my own custom pcb for my application. I wanted to know by keeping two test pins for Spy Bi Wire on my pcb can I program my micro controller with help of my launch pad? And/Or which is best practice for ISP programming MSP430 micro controllers?
  4. Hi all. Is there a proven, tiny, relatively simple circuit anywhere to embed SBW support into a tiny custom PCB? I would like to remove the need for the FET adapter and connector if possible for this custom application. I could rip off the schematics from TI's USB FET, but there are so many components in that solution and I'm trying to stay small, but also stay away from 0402 sized parts. I have most of the back-side of a 1/2" by 1" custom MSP430G2402-based design available. A bonus would be to double the interface as a serial-uart-over-USB bridge when SBW is not being used. SMT components preferred. thanks, ..dane
  5. Hi, Thanks to the tips on 43oh.com I just managed to use my launchpad to program a 2553 on a breadboard. My code deployed fine and ran without issues, but I noticed something slightly different when I was finished testing. The chip stopped running the code as soon as I terminated the debug session. Normally, when the debugger is connected to a chip on the launchpad's emulation section, terminating just detaches the debugger. Assuming the debugger wasn't paused or on a breakpoint the chip continues to run the code uploaded to it. Could I have done something on my breadboard that's causing the chip to reset as soon as the debugger detaches? I have a 47k pullup resistor and 1nF pulldown cap on RST, and am connecting the launchpad to the breadboard with wires from J3 and J6. Thanks! EDIT: Ignore me! I just realised that I'd connected the decoupling capacitors all kinds of wrong. I think the 2553 must have been running on parasitic power from one of the programming pins!
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