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Availability of 8751

I am trying to determine the availabilty of parts on an old design. It uses 8751H, 8255 and 8254. All are DIP packages....
13 comments posted 17yrs
posted by fidratt
13 comments posted 17yrs posted by fidratt

TI acquires Luminary Micro

What are the consequences? Looks pretty positive to me. What do you guys think? http://focus.ti.com/general/docs/gencont...
2 comments posted 17yrs
posted by speffSNIP
2 comments posted 17yrs posted by speffSNIP

Peter Crowcroft.

Many readers would have been aware of Peter Crowcroft, formerly of Tasmania Australia, who set up an Electronics DIY ki...
10 comments posted 17yrs
posted by 5V
10 comments posted 17yrs posted by 5V

Olimex JTAG and IAR EW ARM

Hi, anyone have succes with the Olimex "ARM-USB-TINY" or the "ARM-USB-OCD" as JTAG debugger in the IAR EW ARM environme...
0 comments posted 17yrs
posted by gydesen.jensREMOVE
0 comments posted 17yrs posted by gydesen.jensREMOVE

Gumstix: GPP, DSP, GPU?!

Hi all, I read through the gumstix wiki but I still dunno where to start if I want to generate PWMs and read a few ADC...
0 comments posted 17yrs
posted by johnbsavier
0 comments posted 17yrs posted by johnbsavier

Silicon bug in Atmega2560?

Hi Guru's, I have come across something weird. I have a bit of code on an Atmega2560 that does three things: is initial...
7 comments posted 17yrs
posted by ms
7 comments posted 17yrs posted by ms

how to initialize the sdram refresh control register?

Hi all, I have a target board with vr4131 processor and K4S561632C-75c samsung sdram, vr4131 has inbuilt sdram controll...
0 comments posted 17yrs
posted by lucky.veeramallu
0 comments posted 17yrs posted by lucky.veeramallu

Generating sound at microcontroller pin using pwm

hi, I am working on a hobby project to generate sound effects with 89c2051 using PWM. I am able to generate keyboard no...
11 comments posted 17yrs
posted by papakapapa
11 comments posted 17yrs posted by papakapapa

Problem Reading Serial Port (RS485)

Hi all, I've a FOX Board (Linux Embedded) with RS485 port, and a Power Counter (RS485 too) that work at 9600E1. With a...
3 comments posted 17yrs
posted by andrea1984
3 comments posted 17yrs posted by andrea1984

Standard PLC functions in ARM7 ?

We need to design a specific I/O unit with on board Boolean logic. Would be good to use industry standard PC based PLC...
3 comments posted 17yrs
posted by lars.odlen
3 comments posted 17yrs posted by lars.odlen

Recommended UK supplier for PIC chips?

As indicated. I'm after a PIC programming set up, to run on the PC, and to download to the PIC flash either by RS232 or...
6 comments posted 17yrs
posted by no.spam.thank.you
6 comments posted 17yrs posted by no.spam.thank.you

GCC440 (arm) : (.data) section is empty in output

Good day, I've noticed that the initialized data section in the program binary is zero bytes, by inspecting the file wi...
5 comments posted 17yrs
posted by frikkie
5 comments posted 17yrs posted by frikkie

Easy In-System Programming for Atmel ARM7 ?

I have a client who needs to write program hex files to flash in installed AT91SAM2S256 chips. The board is fitted with...
4 comments posted 17yrs
posted by mwilson
4 comments posted 17yrs posted by mwilson

which low cost fpga for space?

I want to design a space system and don't want to use airspace expensive fpga. considering space radiation I want to ma...
4 comments posted 17yrs
posted by hamze60
4 comments posted 17yrs posted by hamze60