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CW 6 for DSP56858   [2 Articles]

I have been working with Metrowerks Codewarrior for MC9S12NE64 recently, and discovered a ".map" file (monitor.map, in this case), that shows the dependency of modules ...

Examples needed for DSP56858   [6 Articles]

Hi, I was wondering if anyone knows where I can obtain some filtering examples for DSP56858. I have noticed that there are a few threads about it, however the l...

Clarification of errata for Motorola DSP56858

Some clarification of the errata for the Motorola DSP56858 is presented below. The Section titled "Chip Revision B Errata Information" makes the following stateme...

Download to 56858 over JTAG without Codewarrior

Hi, I'm looking for a way to download a proprietary bootloader to the DSP56858 over JTAG in a production environment without using Codewarrior. We use Codewarrior for d...

Crystal Oscillator   [3 Articles]

Hi, I am working with the DSP56858. In the CPU bean for my project, I can select a value of crystal from 2MHz to 4MHz. Where in the program is this crystal value bein...

unexpected interrupt, dsp56858

This one's not earth shaking, but it is a puzzle. I'm using a dsp56858 evm, without all the SDK 'fog'. As a simple test, I wrote a handler for the IRQB interrupt, w...

embedded OS for 56858

Hi All, is there an tiny OS that could easily be ported to dsp56858 ? Ucos-11 is around $4k to embed into product. the product is a low budget one, so any pointe...

Different value from same register?   [2 Articles]

Hi, I am currently working with ESSI on the DSP56858. When I break in my program and view the Status register (by looking at the Registers in CodeWarrior), it appears...

DSP56858-VoIP   [4 Articles]

I just bought a Motorola 56858 EVM and along with it came the Codewarrior software. I'm trying to implement a VoIP system. However, i have not had any prior experie...

Codewarrior tools for DSP56858 and others

This is a general question:  how do you feel about the quality/ease of use of the Codewarrior tools and the SDK?  How has it worked to meet the stated goals of getting ...

Recording real time message on Flash

I am trying to record a real time voice message on serial flash and play it back.I am using read() and write() commands from SDK on DSP56858 Evaluation board. I a...

How good is Processor Expert for the DSP56800 Family.   [2 Articles]

How good is Processor Expert for the DSP56800 Family. I am starting a new project using the DSP56858 and would like to shorten my software effort. Is PE a useful tim...

Code Warrior   [3 Articles]

I'm using Code Warrior, now, on a dsp56852, and, soon, on a dsp56858. So far all of my experience is on the 852, and it's not been a happy experience. The debugger ...

Deactivating Debugger   [4 Articles]

Hi, I am using the DSP56858, which has no internal flash. It is using JTAG to communicate/program the board. However, I need to unplug the JTAG after it h...

Disabling EOnCE   [2 Articles]

Hi, I am using the DSP56858. Is there a way to turn off the EOnCE module once the board has been programmed? The reason I am asking this is to determine whether and/or how m...

Slight dilemma   [2 Articles]

Hi, Just trying to write an assembler function for the DSP56858, based on their example code on the SDK. Now, the prototype for it is something like lo...

ESSI-Asynchronous Mode

Hi, ESSI operating in the asynchronous mode requires separate frame syncs and uses separate clocks for clocking data in and out of the DSP. Though the clocks are independent ...

Host Interface

Hi, I am using the DSP56858. I am having some problems understanding how the HI8 works. Is there a way that I can send a block of data to the output of the DSP wit...

When I set a breakpoint...

Hi, I am using the DSP56858 with CW v.7 (and processor expert). When I set a breakpoint in my program, does the processor stop running as well? Do the perpherials sto...

ESSI Clock and Chip Select   [3 Articles]

Hi, I am a "newbie" using the ESSI on the DSP56858(programmed by Codewarrior + Processor Expert). In the manual it says that the serial clock on the ESSI ...

Stop vs Fast Stop mode

Hi, I am using the DSP56858. I have a question about the two Stop modes available with this DSP. In the manual it mentions that when OMR6_SD is set to zero, the SIM provides...

Bootloader for DSP56858

Hi,   I am looking for an example to load an S-Record file into the eeprom AT45DB011B, such that when powered up or reset, the DSP will execute it. ...

help related to DSP56858

Hello ! I'm new to the world of DSP and my new work assignment is to implement voip codecs and other voip components like echo cancellers, voice activity detec...

DSP56858, CodeWarrior, Debug break problem

Hi, I've pretty much copied the JTAG interface from the motorola EVM for the DSP858 onto my own board. Using V6.1.1 of CodeWarrior I can download, run, single ste...

Inserting some delay   [2 Articles]

Hi, I am working with the Time of Day module in the DSP56858. This may be a real newbie question, but i'll explain the problem i'm having...and I suppose it's more of...

Multichannel G726 Questions

Multichannel G726 Questions Hello all, I am attempting use the G.726 ADPCM Codec Library in the Motorola SDK with a DSP56858.  I have no problem wi...

Interfacing SPI to TMP122   [2 Articles]

Hi, I have a couple of questions related to interfacing the SPI module (DSP56858) to a temperature sensor (TMP122: http://focus.ti.com/lit/ds/symlink/tmp122.pdf ). The TMP1...

Prescaler vs. Counter output pin as the primary source   [2 Articles]

Hi, I am using the DSP56858. This question relates to the Quad Timers. What is the difference between a prescaler as a primary source and using a counter oupu...

RE: ElectricalFeaturesEVM56858

The EVM users manual which includes schematics, parts list, and descritpions of the cisrcuitry can be found in the SDK help menu. It is also available in PDF for...

Flash External Devices over JTAG?

Flash External Devices over JTAG? Is it possible to Flash the Atmel Dataflash Device on the DSP56858 EVM over the JTAG port without using CodeWarrior?  I se...

Echo Cancellation   [5 Articles]

Echo Cancellation Hello All, Does anyone have any experience with echo cancellation? Here is my application in a nutshell:  Multiple remot...

Re: Using ESSI with DMA on a DSP56853   [4 Articles]

>Hi all, >Can someone offer some help with DSP56853 DSP ESSI with DMA? >My application is used the 56853 to interface a multiple channel audio >codec fro...

SPI problems

I have read some posts with questions about the SPI in 56800 family and I am worried with this matter. I have made some tests with the DSP56F807 EVM and wa...

Serial Port programming.

Just wondering if anyone has had any experience with getting a serial port program working, something on SCI 0 or 1.. And if anyone has any ideas? ...

Protecting Critical Section Code on a Pipeline Digital Signal Controller

The following is an FAQ about to appear on the Frescale website: Ref # 24969 KBase DSP Level 1 Pending (1 of 2) Author Winters John (r54531) Abstract ...

Re: what is assmply level call for reading ADC?

Kedar, There is no istruction called bfread. The instruction set for the Motorola DSP's can be found in the DSP56800 Family Manual. You would use this manual if y...

Bootloader

Hey   Just working with the Motorola DSP56858 and Boot mode 2. Trying to boot off Flash memory at the moment, ha...

Freescale Technology Forum

Freescale Technology Forum Ok, I am going the Freescale Technology Forum, June 20-23.  I have been working with Codewarrior and Freescale's DSP56858 for almost 2 yea...

Problem with SDK and Two Codec DMA on 56585

Problem with SDK and Two Codec DMA on 56585 Does anyone have any experience using DMA for two codecs with a DSP56858?  I can get the first Codec working fin...

RE: Audio to pcm and pcm to audio

Message I am using a Motorola DSP56858 and I used the G711 and G726 libs in the SDK to accomplish this.  G711 will Mu-law or A-law encode your audio and G726...