Tech Support > Computer Hardware > Microprocessors
Broken quadrature encoder circuit on TI F281x DSPs?
Posted on August 27th, 2005 | 31 Comments

Hi: I have BEI encoders which make waveforms which look like: N-1 N 0 1 2 3 4 5 ... ______ ______ ______ ______ B: ______ ______ ______ ______ ___ ______ ...

Statemate Synch-Asynch Models & CG
Posted on August 27th, 2005 | 0 Comments

Hello All, Has anyone worked with the Statemate Code Generator? I want to do a comparison between the synchronous & asynchronous models designed using Statemate, based on the quality of the...

Automotive CAN
Posted on August 27th, 2005 | 4 Comments

Hi, we have experience in CAN and Canopen (we have designed several CANOPEN devices); now we have been asked for a device which should be mounted on cars, connected to the low speed CAN bus. As far...

C8051F060?
Posted on August 27th, 2005 | 7 Comments

tried to use c0851F060's UART0,but I found there is no output signal from tx0 and rx0(I using crossbar to mapping tx0 rx0 to P_0,P_1),I don't know why?,so can anyone remind me that any passable wrong...

R8822 console access advice pls!!
Posted on August 27th, 2005 | 1 Comments

Please have a look and drop some advice! Thanks datasheet at http://www.rdc.com.tw/files/downloadfiles/R8822-F16.pdf says: serial0 -- RTS0/RTR0 -- CTS0/ENRX0 -- TXD0

MC9S12NE64 and FSOTCP_1.0
Posted on August 26th, 2005 | 7 Comments

Hi, I'm using the MC9S12NE64 with the Freescale version of OpenTCP and I'm having some problems the the tcp/ip-stack making it in the CodeWarrio IDE. Could somebody tell me from where can I download...

Q: Driving a lot of leds
Posted on August 26th, 2005 | 9 Comments

What do you guys do when you have to drive quite a few leds? ie 4 segented led displays and 20 standalone? 8 bit shift registers?

Digital FM transmitter
Posted on August 26th, 2005 | 11 Comments

What minimum processor/DSP would it take to mimic a FM transmitter, that is to say there would be no RF components, just an output voltage driving a small power amp, now I am thinking of this for low...

posting 20050826
Posted on August 26th, 2005 | 0 Comments

But top intelligence officials and other experts, including former CIA direc tor George J. Tenet in his testimony before Congress, say renditions are an effective method of disrupting terrorist cells...

Camera on RS232 =? Micro-USB module + WebCam
Posted on August 26th, 2005 | 5 Comments

Hi, I recently saw a Micro-USB module on Dontronics's web site (http://www.dontronics.com/micro-usb.html). Appearently it convert RS232 to USB and vice versa. Would it possible (how) to use this...

Any one for MISRA C++?
Posted on August 26th, 2005 | 2 Comments

MISRA is going to look at doing a MISRA C++ Is anyone interested in being on the panel? They are looking for experienced industrial embedded C++ people rather than standards lawyers. If anyone is...

USB 1.1 vs. 2.0 and USBTMC
Posted on August 26th, 2005 | 1 Comments

Hi group- I'm hoping some USB knowledgeable persons can help with this USBTMC (Test & Measurement Class) question... USBTMC prescribes two descriptors that are supported under 2.0 but not 1.1. ...

4 line LCD drivers in assembler needed.
Posted on August 26th, 2005 | 39 Comments

Does anyone have the assembler code for 4 line Optrex compatible LCD's along with a string writing routine? Thanks in advance. Scott

Jellybean barcode driver part?
Posted on August 25th, 2005 | 7 Comments

Is there such a thing as a jellybean 74- or 4000-series part that takes a binary or BCD input and drives a bar graph LED from it? I need to drive an 8-LED bar graph from a 4-bit data source with...

IDE mode Compact Flash problems...
Posted on August 25th, 2005 | 13 Comments

I have an compact flash attached to an IDE<->CF adapter that boots fine in one motherboard but isn't recgonized as a hard drive in another. Does anyone here have any experience with Compact Flash in...

DMA issues with IPIF on V2P
Posted on August 25th, 2005 | 0 Comments

Hello, For some reason the DMA drivers generated by the EDK 7.1 for my core write the same word twice when the buffer is of two words. For example I discovered that the DMA would write for rthe...

CANOpen
Posted on August 25th, 2005 | 2 Comments

Hi Janez, I am utillising your firmware written for CANOpen implementation based on PIC18xxx. First of all i thank you for keeping your "Efficient codes" open. I am somewhat customizing these codes...

TCP/IP stack for M16C
Posted on August 25th, 2005 | 3 Comments

Hello, I'm looking for a tcp-stack with ppp and http protocols, commercial or free, for the M16C. What experience do you have and what stack could you recommend? Thanks in advance for your...

Smoothwall Question
Posted on August 25th, 2005 | 0 Comments

I've got m0n0wall running on some embedded systems. But I'd really like to get Smoothwall on one. However, I've tried the Soekris 4501 board and that bombs on boot and I've used several 4501 boards...

Single PPC with DES on V2P
Posted on August 25th, 2005 | 2 Comments

Hey to all, Background information: I am doing a project which has a single ppc and a specialize DES core in a Virtex 2 Pro using EDk 7.1 aas design tool. The situation is concerning the drivers...