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Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.
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ARM Cortex M3 compilers - gcc vs arm-cc ? [20 articles]
Mike - 2012-07-03 04:19:00
Hi,
Can anyone tell me the pros and cons of gcc vs the arm-cc compiler for
ARM Cortex M3 development? I understand that the ARM compiler always
used to be said to give smaller code size with the...
One pin, one component oscillator with GA144 [7 articles]
Started by Albert van der Horst 11 months ago
Chuck Moore has published the code to run an oscillator on one
processor of a GA114 chip. It uses a single 10 Mhz resonator and no
other components hanging off one pin. This works in principle also
...Equivalent magjacks [4 articles]
Simon - 2012-06-30 19:41:00
Hi,
I am trying to source an equivalent part to the RJLD-043 magjack, and
I think I've found one in the SI-50163, but the 'dots' on the
transformers are at different points. My question is: does ...ARM-JTAG Pinout [3 articles]
Started by Tim Wescott 11 months ago
I have several ARM evaluation boards, and they all have exceedingly
similar pinouts on the JTAG port, varying only in how they treat TRST.
Is there a standard out there on what the JTAG port shou...how to use volatile key word? [11 articles]
ä¼è - 2012-06-28 05:24:00
how to use volatile key word?
Assume I have a global variable shared by two or more tasks. Do I need to declare it as volatile?
When will a non-volatile global variable be written back to memor...Power Line Communication
Started by Anton Erasmus 11 months ago
Hi,
Can anyone maybe steer me in the direction of a Power Line
communication chipset that makes it easy to add a full duplex
asynchronous link of 115200 Baud over a 24V nominal power
bus ? I see...Freescale 9S12X:I'm not able to route interrupt to XGATE
blisca - 2012-06-26 04:42:00
Hi,from Milan,Italy
I want to use the XGATE coprocessor in a 9S12X Freescale uC
I followed indications in AN3144 but i cant reach the interrupt routine
for XGATE in case oft PeriodicInterru...DMA losing sync on ST ARM processor [19 articles]
Started by Tim Wescott 11 months ago
I'm using an STM32F103VB, and one of the things that I'm doing is doing a
set of ADC reads which are then being transferred via DMA to a buffer.
For some reason, when I'm debugging the DMA transf...A Sign of a Real Engineer [43 articles]
Tim Wescott - 2012-06-25 14:56:00
So, my #1 son, 19, was in the hospital for surgery. (Nothing life
threatening, but one of those Must Be Done things).
He's coming out of general anesthesia, still woozy, and the nurse is
expla...Code size reduction migrating from PIC18 to Cortex M0 [27 articles]
Kvik - 2012-06-24 13:52:00
Hi
We are digging deeper into the Cortex M0 processor versus a PIC18.
Seemingly objective material (Coremark data) at page 32 of:
http://ics.nxp.com/literature/presentations/microcontrollers/...