Hello, you may try old parjtag (msp430-jtag) if you can. And also I noticed very low programming voltage. I usually program my devices at least by 3V. But maybe that is not a problem for this product line. > Hello! > I am trying my first steps with mps430-gcc on a development board with > some peripherals and a 5438a MCU. > > So far I was pretty successful bringing up the device, initializing > clocks, UART, toggle some LEDs, nice. Since I am planning to use the > BTStack Bluetooth stack later on I am using the large memory model > already (-mmemory-model=large). I am using > msp430-gcc (GCC) 4.7.0 20120322 (mspgcc dev 20120716) > > Then I extended my testcode with some SPI init code, a ~1kbyte buffer in > RAM and a polling SPI write of that buffer to the SPI - BANG! > > After programming that program using a FET the program did not run as > expected (it hung pretty soon after startup for some reason) and after > that I get on startup the following error from mspdebug using tilib: > > MSP430_Initialize: /dev/ttyACM3 > Firmware version is 30203015 > MSP430_VCC: 1800 mV > MSP430_OpenDevice > tilib: MSP430_OpenDevice: Security Fuse has been blown (error = 30) > tilib: device initialization failed > > So I now can not get any access to the CPU anymore. > > Since this eval board is very valuable for me and I will most likely not > get another one I am almost in panic! > Did I brick my board!? > Is there any way to recover from this situation? Please tell me yes! > > Oh man, this is bad... > > Any hint would be really very welcome! > Thanks in advance! > > Cheers > nils > >
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