Embedded Programming

Relation between crystal oscillator frequency and ppm

Dear all, Sorry if this looks novice.I am not able to correlate the relation between crystal oscillator frequency and p...

2 comments posted 19yrs

posted by ssubba

2 comments posted 19yrs posted by ssubba

Median algorithm for 8051

I need to find the median of a 64 element unsigned int array. I would use qsort() but my Keil compiler doesn't support...

18 comments posted 19yrs

posted by fake

18 comments posted 19yrs posted by fake

TFT modules with _minimum_ clock frequency spec

I have been looking around for a TFT module for a design (5" to 8" sized, 800x480 min.,thin) and found some really good...

0 comments posted 19yrs

posted by dp

0 comments posted 19yrs posted by dp

BGW200 data sheet

The BGW200 by NXP is a very low-power 802.11b SiP, available from Digi- key with a 1-off price of about $20. The only d...

12 comments posted 19yrs

posted by john.comeau

12 comments posted 19yrs posted by john.comeau

DIP package LED dot matrix displays

Maybe 10-15 years ago I remember seeing fairly small dot-matrix LED modules that were arranged to provide 4 characters...

12 comments posted 19yrs

posted by andrews

12 comments posted 19yrs posted by andrews

Interfacing to an existing RS-485 Bus

We are creating a device which is to be slave device on a RS-485 bus. Th protocol on the bus is not doumented and hence...

1 comments posted 19yrs

posted by sanjay

1 comments posted 19yrs posted by sanjay

How do I programmatically send signals to USB?

Hello How do I control voltages to pins of the USB programmatically? For example, I'd like to say send a signal to indi...

4 comments posted 19yrs

posted by unisonharmonics

4 comments posted 19yrs posted by unisonharmonics

New free Programmer for many controllers! (OpenOCD ARM7/9, AVRISP mk2 Klon, usbserial)!

Hello, This year I started a new project which I called usbprog, because I was fed up to the back teeth with buying ano...

2 comments posted 19yrs

posted by sauter

2 comments posted 19yrs posted by sauter

Books recomendation for embedded programmer.

We have at work a student doing his internship at this moment (Undergraduate in programming / ICT with a good knowledge...

5 comments posted 19yrs

posted by stijn

5 comments posted 19yrs posted by stijn

Anyone using Alibre?

I need to get my hands dirty with some 3D CAD, developing some proof- of-concept housings for various electronics packa...

8 comments posted 19yrs

posted by zwsdotcom

8 comments posted 19yrs posted by zwsdotcom

Real Time Clock Hardware

I need to put a real-time clock on a board. I haven't needed to know anything about the market for this for years, and...

63 comments posted 19yrs

posted by tim

63 comments posted 19yrs posted by tim

Quotable source for numbers of embedded vs. desktop CPUs?

Hi all, could someone point me to a quotable source/book on the numbers of embedded vs. desktop CPUs out there. I'm loo...

21 comments posted 19yrs

posted by nospam

21 comments posted 19yrs posted by nospam

Multi-processor breadboard: CAD files are up

For anyone who's interested, I've published the editable schematic and PCB files for the AVR/MSP430/Cygnal 8051 board I...

4 comments posted 19yrs

posted by zwsdotcom

4 comments posted 19yrs posted by zwsdotcom

MSP430: BSL mode - UART transmit pin

Hello: In several MCUs of the MSP430 family, during the bootstrap loader mode, the normal UART Tx/Rx transmit/pins aren...

2 comments posted 19yrs

posted by NOMAIL

2 comments posted 19yrs posted by NOMAIL

FX2 and EEPROM

I have a commercial webcam based on EZUSB - FX2. I still want to use the camera, so i don't want to make any changes (l...

3 comments posted 19yrs

posted by emb

3 comments posted 19yrs posted by emb