Embedded Programming

Cheap Processors with Fast USARTs for RS485?

I want to implement low cost rs485-connected data collection nodes, and need to choose a microcontroller for them that...

5 comments posted 21yrs

posted by chrisgr

5 comments posted 21yrs posted by chrisgr

AVR Bootloader protection

Does anyone have any good way to protect an AVR from accidential flash / erase commands? Imagine, a bug in the applicat...

2 comments posted 21yrs

posted by ralph.mason

2 comments posted 21yrs posted by ralph.mason

[Shameless Plug] -- Embedded Systems Conference

I'll be delivering two presentations -- PID Without a PhD, and Basic Control Theory for Software Engineers. More detail...

48 comments posted 21yrs

posted by tim

48 comments posted 21yrs posted by tim

AVR compilers

OK, another deep theological question... What do people think of each of these...? CodeVision C for AVR ImageCraft C fo...

18 comments posted 21yrs

posted by mc_no_spam

18 comments posted 21yrs posted by mc_no_spam

Multimaster vs Polled I2C Throughput, Good Implementations?

I'm considering whether to use a polled vs multimaster I2C network to connect a main controller to a few subsystems (in...

2 comments posted 21yrs

posted by chrisgr

2 comments posted 21yrs posted by chrisgr

undefined states

just a quick question, How do you design your code to prevent it slipping into an undefined state, i thought all that w...

8 comments posted 21yrs

posted by johnpaulmcgonigle

8 comments posted 21yrs posted by johnpaulmcgonigle

strange behavior of a P89C51RC Philips microprocessor

My company has a device that uses the 89C51. Somehow the flash memory is getting corrupted. The device will not boot pr...

4 comments posted 21yrs

posted by e.flag

4 comments posted 21yrs posted by e.flag

Graphics controller for PowerPC

Hello. I am looking at some possible processor architectures for future products. Intel offers some Pentium III and Pen...

17 comments posted 21yrs

posted by elder.costa

17 comments posted 21yrs posted by elder.costa

Philips P89c669 question

Hello, I am about to use a P89c669 in a design with external program memory. Problem is that the manual states that EA...

2 comments posted 21yrs

posted by xanias.no.spam

2 comments posted 21yrs posted by xanias.no.spam

Architectures - 68HC908?

I was asking about 8051 vs. PIC vs. AVR. Should I be looking at 68HC908? What is it like?

4 comments posted 21yrs

posted by mc_no_spam

4 comments posted 21yrs posted by mc_no_spam

Micronas UAC355xB series IC

Hi ! Does anyone have exprience with this chip ? I managed to obtain a few engineering samples, and I'm supposed to des...

1 comments posted 21yrs

posted by antti.keskinen

1 comments posted 21yrs posted by antti.keskinen

Simtek NVRAM - thanks

Hi Jack, Phil Thanks for the replies to my earlier thread - I left the office early for Christmas and forgot to watch th...

0 comments posted 21yrs

posted by me

0 comments posted 21yrs posted by me

alternative to "arm development suite"

Hi, Im an undergrad who is new to ARM-based controllers. Im working on a custom board based on the AT91rm9200 microcont...

14 comments posted 21yrs

posted by prehistorictoad2k

14 comments posted 21yrs posted by prehistorictoad2k

global optimization acceleration

Hello all, I've recently been examining methods for acceleration of global optimization... does anyone know of any hard...

0 comments posted 21yrs

posted by rafaelcns

0 comments posted 21yrs posted by rafaelcns

USB Flash disk controllers

We are looking for a USB flash disk controller chip, requiring a minimum of programming/development on the card, and ho...

1 comments posted 21yrs

posted by david.nospam

1 comments posted 21yrs posted by david.nospam