Tech Support > Computer Hardware > Microprocessors
Differance between Array and Pointers
Posted on May 5th, 2006 | 13 Comments

Paul Keinanen wrote: Good question; I didn't think of that. I'm pretty sure I used malloc, as I hardly ever use calloc. But now that you mention it, I am thinking that I might have allocated...

Lowest cost MCU w/ 2 ethernet MAC/PHY
Posted on May 5th, 2006 | 2 Comments

On Fri, 5 May 2006 00:20:27 -0700, Chris blurted: Sorry, I really mis-stated this request. I am looking for a dev board w/ an MCU on it that also has two 10/100 ethernet PHYs and the circuitry on...

Code porting from VxWorks to Rtems
Posted on May 5th, 2006 | 2 Comments

Hi: There's a company in Huntsville called MapUSoft (www.mapusoft.com) that sells a product called OSChanger that can map one RTOS to another. The have combinations for lots of diffferent systems. ...

Differance between Array and Pointers
Posted on May 5th, 2006 | 17 Comments

Steve at fivetrees wrote: The phrase "allocating memory and then using a pointer" has no implication of using "malloc". Statically allocated data is still "allocated", by the linker rather than at...

low cost networking suggestions needed
Posted on May 5th, 2006 | 11 Comments

Mark wrote: Your problems are no different from what telephone companies do with their $multi-million computer. If damaged, there is no telephone service for a week. Interface electronics can cost...

Datasheet Request for MT1518E
Posted on May 5th, 2006 | 2 Comments

"LRCR" <xyz@ix.netcom.com> wrote in message news:oqti52pu1987pe3thn0dk8t2k3iqaft1sc@4ax.com... Google?

how to force PowerPC HW exceptions (for testing)?
Posted on May 4th, 2006 | 1 Comments

Well to simulate these events you only have to cause them. Give it a 0 opcode and enjoy the illegal opcode (program) exception at $700. Disable the FPU in the MSR, then give it an FPU opcode and it...

PIC PWM registers
Posted on May 4th, 2006 | 12 Comments

"John B" <spamj_baraclough@blockerzetnet.co.uk> a écrit dans le message de news: 4bv8ggF13r8boU1@individual.net... Hi John, I have no AVR hardware to make some tests, but if you want to do it from...

Lowest power ARM MCU?
Posted on May 4th, 2006 | 11 Comments

ghazanhaider wrote: This is useful since you can power down external memory and still keep the display alive. -- Best Regards, Ulf Samuelsson ulf@a-t-m-e-l.com

Freescale 9s08gb stack and indexing
Posted on May 4th, 2006 | 3 Comments

"Bill A." <bill_ct@y_a_h_o_o.com> writes: Thanks. I was confused by the debugger returning a different value for: lda junk,x ;junk in zero page, x=0, H= #RAMLAST+1 and

Trying to program flash with Freescale Micro
Posted on May 4th, 2006 | 0 Comments

I'm trying to program an xcf32p flash device from Xilinx with a freescale microcontroller. I'd like to program it by connecting the GPIO pins of the micro to the JTAG pins of the flash. I'm a...

Diab Linker Overflow specification?
Posted on May 4th, 2006 | 1 Comments

BekAL wrote: I would guess the section definition would look something like this contrived example: GROUP : { .vectors (TEXT) ALIGN(65536) OVERFLOW(8192, .vectors_overflow) : {} /* some section to...

Interfacing Spartan 3 board to PC parallel port??
Posted on May 4th, 2006 | 4 Comments

kulkarni.shailesh@gmail.com wrote: Put 330 ohm series resistors on all signal lines. Spartan 3 has protection diodes, but the resistors are needed to limit the current through those diodes. They...

Intel JTAG Cable for JFlashMM Utility.
Posted on May 4th, 2006 | 0 Comments

Intel has a FLASH Programmer utility for programming FLASH memory via CPU JTAG connection. One supported cable is the "Intel Passive Jtag Cable". This connects to a PC parallel port. Would anyone...

EPLD Lattice prog problem
Posted on May 4th, 2006 | 0 Comments

Hi all, I'm developping an application on PowerPC to programm a Lattice EPLD. For that, I'm using ispVM Lattice player. When I programm the CPLD which is already programmed by JTAG connector, all...

cameralink controller
Posted on May 4th, 2006 | 4 Comments

sc wrote: A little bit of advice. First, don't use cool-speak. The word is "your" and/or "you", etc. Proper spelling makes things much easier for your reader. Such abbreviations only make you...

Chip to turn on/off various circuits
Posted on May 4th, 2006 | 8 Comments

Ross Marchant scrobe on the papyrus: Look at the Allegro UDN2987 or for an addressable latched version the A6259. http://www.allegromicro.com/ --

Evaluation Of RTOS
Posted on May 4th, 2006 | 4 Comments

My experience is that VxWorks, has old tools, very unfashioned, virtually no support, and no further development. Stay clear of this. Besides all it's very expensive, has nearly none device drivers...

pictures of CAN communication?
Posted on May 4th, 2006 | 25 Comments

http://forum.microchip.com/upfiles.aspx/14132/7D0C88B65D2D4772896FB4BB1A8D8153.JPG

ARM7 with external memory
Posted on May 3rd, 2006 | 16 Comments

Henrik wrote: That's new information, but even adding this, it does not sound like 1MB of SRAM... what size are these objects ? You could look at these new devices...