Others: hardware and software

Discuss hardware and software design challenges, including NOR flash storage, OTA updates, component ID, and thermal management.

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Secure Debug Authentication

Posted on October 17, 2014 at 15:19I am using SPEAr1310 (SPEAR1310CPUC evaluation board, revision 1). I want to use Memory Mapped debug interface to setup breakpoints. I have read the interface base address using cp14 Cooprocessor (DBGDRAR, DBGDSAR)...

vln by Associate
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STR9 - Inrush current on the VDD supply

Posted on July 29, 2014 at 16:52Hi, I have a issue with the power supplies of my electronic board at start up of microcontroller STR912FAW47. Someone know the inrush current of microcontroller on VDD (1,8V) and VDDQ (3.3V) at power on? With an oscil...

jtual by Associate II
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Booting Linux or U-Boot via USB boot on SPEAr320

Posted on April 26, 2013 at 09:15Hello Is it  possible to boot Linux Kernel via the  USB boot mechanism in the SPAEr320 CPU? If yes, what tools are available to generate an image for a bootable USB stick? I hope to get at least a link to an approbri...

hj by Associate II
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C51: Memory accesses providing strange results

Posted on July 29, 2014 at 16:27Hi,I would like to share some knowledge about a point that puzzled me for 3 days.In Keil µVision (C51), if you write the following:    char *ptr = (char *)0x8000;for accessing data located in some Flash memory for exa...

dtylski by Associate
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STR912 Partiry bit set Error.

Posted on April 09, 2014 at 13:48hi.dear i use to IAR compiler, default_form_lib_2.1_iar_5.30 library and jlink. it is my developer environment.  my chip is STR912FAW44. first. i initialize UART2 set None parity bit. second. i change to UART2 set  ...

ikassma by Senior
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Controlling PSD I/O-pins on uPSD3354 uC

Posted on May 15, 2014 at 11:18Hi, We need to modify one of our existing company products to be able to be controller by external I/O. The only externally available I/O-signals are the 6 JTAG pins. These JTAG pins are connected to the PLD I/O-Port C...

henk2 by Associate II
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Trying to find ST9 Visual Programmer for EPB

Posted on May 07, 2014 at 23:04Hello, I have an ST92f150-EPB the software installation CD is long gone, and I need to use my programmer. I have been serching for an STVP that will work with my programmer and my ST92F150JDV1QC chips but I can not fin...

spechin by Associate
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AC/DC Transformer help

Posted on April 17, 2014 at 19:55Wurth has ready transformers for AC/DC supplies for 12V, 24V and 48V for 150W, 200W and 250W ratings. The details can be found here: http://katalog.we-online.de/en/pbs/WE-LLCR?sid=f6723a16ca Can these be used readily...

ravindra by Associate II
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