I am getting the OOPS message that follows and have been having a very difficult time determining what is causing it. According to...

I am getting the OOPS message that follows and have been having a very difficult time determining what is causing it. According to "PowerPC Microprocessor Family: The Programming Environments for 32-Bit Microprocessors", "When an exception occurs, bits 1-4 and 10-15 of SRR1 are loaded with exception specific information." SRR1 is 00089032, so bits 1-4 are 0000 and bits 10-15 are 001000. U...

Does anyone know anything about DDCMP and the 68302 chip. We have some software that uses it in asynchronous mode over RS485 and we want to see...

Does anyone know anything about DDCMP and the 68302 chip. We have some software that uses it in asynchronous mode over RS485 and we want to see if we can emulate the DDCMP behaviour on another product without the 68302 micro so that we can communicate with the existing product but from a new device with a different microprocessor. The 68302 manual says that in asynch mode when i

Hi - I just have a couple pretty simple questions regarding ARMs and DSPs. I should preface this by saying that I'm coming from the world of...

Hi - I just have a couple pretty simple questions regarding ARMs and DSPs. I should preface this by saying that I'm coming from the world of AVRs (8 bit uCs). First of all - when researching options that go beyond the power of AVRs I've run into DSPs alot. I can't tell exactly what a DSP is though, and how it is different from a microprocessor/microcontroller. From what I can tell, a ...

Our machines have this requirement: if power failure occurs, many important variables are to be resumed from where they were interrupted after...

Our machines have this requirement: if power failure occurs, many important variables are to be resumed from where they were interrupted after the machine is restarted (power on in this case). In other words, the basic idea is to keep a snapshot of the state machine before it is interrupted. The board is provided with: - a 32-bit H8S/2633 Hitachi microprocessor; - a battery-backed memory (B...

Hi everybody, I am doing programming for 128x64 KS0107/08 Graphical LCD using Rabbit 2000 microprocessor. I am new to this LCD. I couldn't find...

Hi everybody, I am doing programming for 128x64 KS0107/08 Graphical LCD using Rabbit 2000 microprocessor. I am new to this LCD. I couldn't find how to make a pixel on. I tried with the program as shown below.. But I am not getting display. On the other hand, I didn't know what will be character size, actually what will be the procedure to know the size of a character.. Kindly suggest me a...

http://www.loraxworks.com/4f10dfae90c743d233d7c5bc1f116e19/session.php?action=news The proSeed, the first microcontroller product from the...

http://www.loraxworks.com/4f10dfae90c743d233d7c5bc1f116e19/session.php?action=news The proSeed, the first microcontroller product from the Lorax Works controllers family, with 128Kb of EEPROM, 128Kb of RAM, and a 70Mhz SX microprocessor in a 24pin DIP package, presents an unheard potential for applications requiring large on-board memory. Interesting platform if a little expensive. I a...

Hi Everyone In the case of a simple configuration comprising a CMOS microprocessor plus one external CMOS SRAM, it may well happen that the...

Hi Everyone In the case of a simple configuration comprising a CMOS microprocessor plus one external CMOS SRAM, it may well happen that the processor's external bus interface becomes inactive for long periods (for instance, when the uP is accessing code and data in internal memory). In this case, the bus is high impedance, and could, in principle, float to a voltage mid-way between the p...

I want to design a microcontroller-based SATA peripheral. Does anyone know of any microprocessor/microcontroller that has a SATA Device port as...

I want to design a microcontroller-based SATA peripheral. Does anyone know of any microprocessor/microcontroller that has a SATA Device port as distinct from a Host port ? This would make my task easy ... Thanks. rr

Hi, I am new the website but I've taken a microprocessor class before and used the HC12 board so I know the basics of embedded design. For my...

Hi, I am new the website but I've taken a microprocessor class before and used the HC12 board so I know the basics of embedded design. For my senior project we are suppose to design a pill dispenser that receives schedule information from a website and dispenses the specific pill accordingly to the time of the schedule. Now I guess my question would be what kind of micro-controller would I need...

Hi all, Just was going through this video from Howstuff works and I got amazed by the invention of the Intel4004 in the companies earlier days...

Hi all, Just was going through this video from Howstuff works and I got amazed by the invention of the Intel4004 in the companies earlier days way back in 1969.Quite a remarkable work I believe.Share your thoughts.... http://videos.howstuffworks.com/intel-corporation/865-4004-intels-first-microprocessor-video.htm Just wondered how much technology has changed from those days till date....

Hi, may I know what is the definition for embedded software? According to what I have gathered, a firmware, a software that determines...

Hi, may I know what is the definition for embedded software? According to what I have gathered, a firmware, a software that determines the operation of a microprocessor, is an embedded software. However, what about a GUI that a user used to control an embedded system. More specifically, this GUI resides on a general purpose PC, which is connected to the embedded system in some way. May I a...

Hello, I'm brand new to this forum, but it seems to be the best place I could find to ask my question about a microcontroller and possibly a kit...

Hello, I'm brand new to this forum, but it seems to be the best place I could find to ask my question about a microcontroller and possibly a kit (I hope I posted in the right place). I'm currently a junior Computer Engineering major and am very new to the microprocessor world, so please forgive my noobish questions. =) What I need is a good microcontroller kit for my dynamics project. Prefe...

We are trying to configure a Z85C30 communications controller for communicating with both it's channels simultaneously (We are using Rabbit 3000...

We are trying to configure a Z85C30 communications controller for communicating with both it's channels simultaneously (We are using Rabbit 3000 as our microprocessor). Channel A is working well as we have a crystal connected across it. Channel B also has a crystal across it, but it is not working Our results so far: Channel A is working well. Channel B is showing Transmit Buffer Full and...

Hi, I'm designing a microprocessor board intended to be built by students so that they can learn the basic principles of building such a...

Hi, I'm designing a microprocessor board intended to be built by students so that they can learn the basic principles of building such a system. The existing board that we use is based on a 68008 CPU (a description of this can be found here: https://www.cs.tcd.ie/Michael.Manzke/2ba4.html) Basically this board consists of a 68008 CPU, a ROM, two RAM ics, two UARTS and a CPLD which impleme...

Hello, I need an eval. board preferably with 68HC11/12 that has full fledged RS232, most importantly RTS and parity manipulations -- changing...

Hello, I need an eval. board preferably with 68HC11/12 that has full fledged RS232, most importantly RTS and parity manipulations -- changing mark parity to space parity from one byte to next. Do you know any such eval. board? Thanks! QBA

hi everybody.. I am new in the Embedded programming .. i am writting the keyboard driver for microprocessor.. the status of UART tells me if...

hi everybody.. I am new in the Embedded programming .. i am writting the keyboard driver for microprocessor.. the status of UART tells me if any data (from keyboard) received or not from the flag register the flag register is of 32 bit ... 1) How can i check the pericular bit in this register set or not? 2) the receiver buffer is of 32 bit but data from keyboard comes in 8bit format.. ...

Hi! I'm looking for the source code for the library routines (e.g. PARAM_, LEAX_B_X, Zbshift, Zequ, Zleq, etc.) needed to execute Pascal...

Hi! I'm looking for the source code for the library routines (e.g. PARAM_, LEAX_B_X, Zbshift, Zequ, Zleq, etc.) needed to execute Pascal programs compiled by the Pascal/64000 compiler for the 6800 microprocessor. I have the relocatable file for the LIB6800. If anyone knows where I can find the source code, or if anyone knows of a workaround, I would be grateful. Thanks, Holly

Hi All, I am new to embedded system development and need your advice on my upcoming project. I thank and appreciate your help in...

Hi All, I am new to embedded system development and need your advice on my upcoming project. I thank and appreciate your help in advance. I'd like to setup a development environment that includes a microprocessor which supports output to LCD as well as input/output based on Ethernet and 802.11. The software platform is better based on Linux with GNU tool chain. Please kindly suggest...

I am using the STK500 to program Atiny12. I have done the following: 1.) plugged in the ATtiny12 into SCKT3400D1. 2.) connected RST on PORTE to...

I am using the STK500 to program Atiny12. I have done the following: 1.) plugged in the ATtiny12 into SCKT3400D1. 2.) connected RST on PORTE to PB5 on PORTB. 3.) connected XTI on PORTE to PB3 on PORTB. I am able to program the microprocessor once but when I try to re-program it, I got the following error: Entering programming mode: Failed Would you pls tell me how to solve this proble...

Hello, It's the first time that I use an H8 microprocessor. I'm writing a program in H8 assembler (no C code at all) and I'm using GNU...

Hello, It's the first time that I use an H8 microprocessor. I'm writing a program in H8 assembler (no C code at all) and I'm using GNU h8300-elf-as and h8300-elf-ld. This processor needs alignment on even addresses for targets of jumps, branches, and for moving words and dwords. Aligning data seems to be very easy: I put a ".balign 2" directive just before any word or dword data, to ...