DSP56F807 questions

Started by Andrew Shelkovenko in Freescale DSPs18 years ago 1 reply

Hello! Sorry for my  English.   I have some qustions about DSP56F807.

Hello! Sorry for my  English.   I have some qustions about DSP56F807.


Motor control application using DSP56F807

Started by kvnvarmain in Freescale DSPs14 years ago 2 replies

Hi i am working on a motor control application using DSP56F807.We are developping an algorithm for position control of BLDC motor.I am facing...

Hi i am working on a motor control application using DSP56F807.We are developping an algorithm for position control of BLDC motor.I am facing a problem in the commutaion algorithm of the BLDC motor. Actually we have developped a commutaion algorithm and it is working(not upto the mark). we have configured our PWM module for edge aligned, independent mode of operation,16Khz of PWM frequen...


RE: DSP56F807: Synchronization of on chip ADC to PW M

Started by Johnson, Jerry in Freescale DSPs17 years ago

RE: [motoroladsp] DSP56F807: Synchronization of on chip ADC to PWM I put the following at the end of my ISR: ...

RE: [motoroladsp] DSP56F807: Synchronization of on chip ADC to PWM I put the following at the end of my ISR:                 bfse


ID

Started by Ozan Sihmanoglu in Freescale DSPs18 years ago 1 reply

Hi All, Does anyone know, is there any ID for DSP56F807, which differs from chip to chip and is unique ? Thanks. ...

Hi All, Does anyone know, is there any ID for DSP56F807, which differs from chip to chip and is unique ? Thanks. Ozan Sadi Sihmanoglu Electrical Engineer EKA AS


about DSP56F807

Started by swaroop in Freescale DSPs18 years ago 1 reply

hi Can any one give the description of DAC pins on the DSP56807EVM board........... Iam writing on channels A and D using the...

hi Can any one give the description of DAC pins on the DSP56807EVM board........... Iam writing on channels A and D using the SDKs DAC driver...which pins I must use to see the output. thanks in advance.... swaroop


DSP56F807

Started by Lionel Degoutte in Freescale DSPs17 years ago

Hi, I want to use flash as non volatile memory. How can i do to read and write variables in flash ? Thanks. ...

Hi, I want to use flash as non volatile memory. How can i do to read and write variables in flash ? Thanks.


DSP56F807 with external memory

Started by Santi Corera in Freescale DSPs18 years ago

Hello all, How can I access peripherals registers (in locations 0x1000 - 0x17FF) with the EX bit set ? Is the only way...

Hello all, How can I access peripherals registers (in locations 0x1000 - 0x17FF) with the EX bit set ? Is the only way clearing EX before the access and setting it after the access ? Thanks in advance.


Program Ram

Started by christian_rosnoblet in Freescale DSPs16 years ago 1 reply

Hello I need more than the 4K of X.RAM of my DSP56F807, I'd like to use P.RAM in the program memory. - What is the used of...

Hello I need more than the 4K of X.RAM of my DSP56F807, I'd like to use P.RAM in the program memory. - What is the used of this RAM? Can I use a part of it to store some variables of my application? How can I specify the linker to locate my variables in this RAM.


(COP ) Module DSP56F807

Started by vmiramont in Freescale DSPs18 years ago 2 replies

Hey guys, I am trying to use the Computer Operating Properly (COP) Module and am having some trouble. My problem is that the...

Hey guys, I am trying to use the Computer Operating Properly (COP) Module and am having some trouble. My problem is that the DSP will not reset when the timer expires. I just gets stuck. Does anybody know if I missed any configuration parameters Thanks In Advance


DSP56F807: Synchronization of on chip ADC to PWM

Started by wjschint in Freescale DSPs17 years ago

I'm trying to synchronize the ADC's (both A and B) to the PWM, as described in Mot. app. note AN1933/D, section 5.2. I am using ...

I'm trying to synchronize the ADC's (both A and B) to the PWM, as described in Mot. app. note AN1933/D, section 5.2. I am using center-aligned PWM technique (Fig. 5-4 in app note). I want to have a sample at a specific location in each PWM half-cycle. I have two questions related to


analog transmission betweeen DSPs

Started by amandadsp in Freescale DSPs17 years ago

Hi group, I need some help sending data between the D/A of one DSP56F807 and the A/D of another. Is there some easy way to...

Hi group, I need some help sending data between the D/A of one DSP56F807 and the A/D of another. Is there some easy way to use the Loop sequential mode of operation to accomplish this. How is data (for example) characters converted to be send through the D/A?


Power consumption on DSP56F807

Started by vmiramont in Freescale DSPs19 years ago 1 reply

Hello, Does anyone have an idea on what is the typical power consumption on the DSP5F807? Also anyone have any good ideas on...

Hello, Does anyone have an idea on what is the typical power consumption on the DSP5F807? Also anyone have any good ideas on how to put the DSP to sleep when idle. Thanks In Advance Victor Miramontes


statement to break into debugger

Started by pixtronix in Freescale DSPs15 years ago 2 replies

I used to use this bit of inline assembly with the DSP56F807: asm(debug); but it doesn't work with my new DSP56F8323. It was handy-- I...

I used to use this bit of inline assembly with the DSP56F807: asm(debug); but it doesn't work with my new DSP56F8323. It was handy-- I could conditional compile a whole bunch of important breakpoints and turn them on/off by toggling a #define. Anybody know what's the statement to force a breakpoint in code for the 56F8000/E stuff? Pix


C COMPILERS FOR 16 BIT DSP 56F807

Started by somanchi srinivas in Freescale DSPs17 years ago 1 reply

hi, I would like to know if there are any compilers avaiable for C ,as we are trying to program a 16-bit DSP56F807 ...

hi, I would like to know if there are any compilers avaiable for C ,as we are trying to program a 16-bit DSP56F807 microprocessor any one can suggest any compiler , the compiler can be free of cost or we are even ready to buy it. I hope some one will repond back. thanks


AW: DSP56F807 reboot to bootloader

Started by Bende Georg in Freescale DSPs17 years ago

Set COP timeout to the minimum, enable it and let it run away. It will cause a soft reset and then it starts with boot code. ...

Set COP timeout to the minimum, enable it and let it run away. It will cause a soft reset and then it starts with boot code. Georg Bende Softwareentwickler Abteilung Elektronik Dr. Fritz Faulhaber GmbH & Co KG Daimlerstr. 23 71101 Sch?naich Tel: +49


Strange DSP56F807 problem

Started by Yochum, William in Freescale DSPs18 years ago

Greetings: I have recently found a very unusual problem that to the best of my knowledge appears to be in the 807 hardware. I'm...

Greetings: I have recently found a very unusual problem that to the best of my knowledge appears to be in the 807 hardware. I'm hoping the gurus on this list might provide some input. I have a situation where I am servicing an interrupt, and I'm allowing a higher


AW: DSP56F807 interrupts

Started by Bende Georg in Freescale DSPs17 years ago

You habe to enable the interrupt(s) when entering one interrupt which is interruptable. Georg Bende Softwareentwickler ...

You habe to enable the interrupt(s) when entering one interrupt which is interruptable. Georg Bende Softwareentwickler Abteilung Elektronik Dr. Fritz Faulhaber GmbH & Co KG Daimlerstr. 23 71101 Sch?naich Tel: +49 7031 638294 >


Where can I find SDK for Serial Bootloader for DSP56F801 80MHz?

Started by pitchayav in Freescale DSPs15 years ago

The example in Codewarior have shown me for Serial Bootloader for DSP56F807, but the target CPU of mine is DSP56F801.. Could U please...

The example in Codewarior have shown me for Serial Bootloader for DSP56F807, but the target CPU of mine is DSP56F801.. Could U please link me to that? Thanks in advance


Fractional Math

Started by Terry Litinas in Freescale DSPs18 years ago 3 replies

Hello, I am working on a project with the DSP56F807, CodeWarrior 5.02, and SDK 2.5 and am fairly new to the DSP world. I have...

Hello, I am working on a project with the DSP56F807, CodeWarrior 5.02, and SDK 2.5 and am fairly new to the DSP world. I have questions concerning fractional and integer math for my application. When reading an 807 ADC channel I am interpreting the value as a 16 bit fractional


DSP56F807 reboot to bootloader

Started by Lionel Degoutte in Freescale DSPs17 years ago

Hello, I use SDK 3.0 and cw 5.1. I want ,with a command to the serial interface, to reboot the DSP to the program bootloader. If...

Hello, I use SDK 3.0 and cw 5.1. I want ,with a command to the serial interface, to reboot the DSP to the program bootloader. If I do asm (jsr archStart), the DSP reboot but not to the bootloader. How can I do ? Thank you Lionel