DSP56F807 QUESTION OF THE DAY: -0.0 and 0.0 on the DSP56F807

Started by Roberts Paul in Freescale DSPs16 years ago 1 reply

DSP56F807 QUESTION OF THE DAY Can anyone confirm or deny the following: (True or False) 1) Some DSP56F807's, when...

DSP56F807 QUESTION OF THE DAY Can anyone confirm or deny the following: (True or False) 1) Some DSP56F807's, when performing floating point math using the floating point libraries that come with the Metrowerks CodeWarrior IDE (version 4.1, build 0622), when subtra


Serial Bootloader(DSP56F807)

Started by markonikoff in Freescale DSPs16 years ago 1 reply

Hello, I would like to know in detail about the hardware requirements for using the serial bootloader for on-chip flash ...

Hello, I would like to know in detail about the hardware requirements for using the serial bootloader for on-chip flash programming on DSP56F807.Also I haven't got the targeting manual for the DSP56F807 on motorola website. Kindly help me for the same.. Regards


DSP56F807 Quad Timers

Started by Andrew Shelkovenko in Freescale DSPs17 years ago

Hello! Sorry for my English. :( I read the documentation and I try to determine usefulness of DSP56F807 for our ...

Hello! Sorry for my English. :( I read the documentation and I try to determine usefulness of DSP56F807 for our purposes. I have some questions about DSP56F807 Quad Timers. 1. Can I use timer in next mode: Count Mode = 100 - quadr


Memory mapped input-output on DSP56F807

Started by kirkm54 in Freescale DSPs16 years ago

Hi, I'm looking for ideas on implementing memory mapped input-output with the DSP56F807 that also has external static RAM. Running...

Hi, I'm looking for ideas on implementing memory mapped input-output with the DSP56F807 that also has external static RAM. Running at 80Mhz puts some tough timing requirements on the design. Here's what we have working: The controller design uses the DSP56F807. There is


dsp56f807 filters

Started by Lizette Cronje in Freescale DSPs16 years ago 1 reply

Hi   I have been struggling with filters on the dsp56F807 for ages now. The coefficients doesn't change the output at...

Hi   I have been struggling with filters on the dsp56F807 for ages now. The coefficients doesn't change the output at all.   Does any one PLEASE have an example of filter implementation on the dsp56F807?   Lizette


CAN again

Started by Richard Kis in Freescale DSPs16 years ago

Hello all, Again something regarding the DSP56F807 CAN controller: CAN messages are transmitted by DSP56F807 in our...

Hello all, Again something regarding the DSP56F807 CAN controller: CAN messages are transmitted by DSP56F807 in our application. We have two next CAN devices connected to the bus: CANdongle monitor and other special device based on Intel 87C196. I87C196 receives


DSP56F807 V SPAK56F807

Started by hao yuan in Freescale DSPs17 years ago 1 reply

Hi, Does anybody know that the difference of DSP56F807 and SPAK56F807? The price of SPAK is very high. ...

Hi, Does anybody know that the difference of DSP56F807 and SPAK56F807? The price of SPAK is very high.


Regarding DSP56F807

Started by swaroop in Freescale DSPs16 years ago 2 replies

hi everybody, Can any one tell what are the steps i have to take to run my application on my own DSP module(with DSP56F807)...

hi everybody, Can any one tell what are the steps i have to take to run my application on my own DSP module(with DSP56F807) instead of DSP65F807EVM board. When i tried to run it,it is stoppig at the line jsr archStart; in hardwareAndWatchdogResetVector(void) function of


how to use data_flash of dsp56f807 ?

Started by wysxtrue88 in Freescale DSPs14 years ago 6 replies

Hi, I want to use data_flash as non volatile memory. How can i do to read and write variables in data_flash of dsp56f807 ? Thanks. ...

Hi, I want to use data_flash as non volatile memory. How can i do to read and write variables in data_flash of dsp56f807 ? Thanks.


are there any compilers for smallC for DSP56F807

Started by somanchivasu in Freescale DSPs16 years ago 1 reply

HI , I would like to know if there are any compilers avaiable for SmallC ,as we are trying to program a 32-bit DSP56F807 ...

HI , I would like to know if there are any compilers avaiable for SmallC ,as we are trying to program a 32-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.


DSP56F807 external memory adressing

Started by mnedergaad in Freescale DSPs15 years ago 1 reply

Hi! I have read in the DSP56800FM manual that the ex. DSP56F807 can access both program and data memory at the same time. Can...

Hi! I have read in the DSP56800FM manual that the ex. DSP56F807 can access both program and data memory at the same time. Can anybody tell me how this works with the external memory configured as on the evaluation board(DSP56F807EVMUM p.54+56). As I read it only one memo


Trying to run Mode 0B on a DSP56F807

Started by Peter Becher in Freescale DSPs13 years ago

Hi All, I am trying to run Mode 0B on a DSP56F807 and not having much luck. Has anyone else tried that? I am using CW 5.1 and SDK. My...

Hi All, I am trying to run Mode 0B on a DSP56F807 and not having much luck. Has anyone else tried that? I am using CW 5.1 and SDK. My program runs just fine in Mode 0A but freaks out (basically does not boot properly) in Mode 0B. So you wonder why I want to run Mode 0B then? It's a long story. My program fits in the lower 32k of pFLASH (0x0004 to 0x6FF) and I think I have changed the


Motorola DSP56F807 SDK and Micro C OS integration problem.

Started by Srinivas in Freescale DSPs16 years ago

Hi, I am using motrola DSP56F807 SDK 2.5 and Micro c OS 2.6 Version. I have a task X waiting on event E. The event E is...

Hi, I am using motrola DSP56F807 SDK 2.5 and Micro c OS 2.6 Version. I have a task X waiting on event E. The event E is set in the CanReadCallBack function which is being called by the CANReceiveSuperISR. The event is being set in ISR context.


DSP56F807 - DSPCOMMPARALLEL

Started by Lionel Degoutte in Freescale DSPs16 years ago 2 replies

Hello, We have The evaluation board DSP56F807 EVM-1 with codewarrior 5.2. We have bought the command converter DSPCOMMPARALLEL....

Hello, We have The evaluation board DSP56F807 EVM-1 with codewarrior 5.2. We have bought the command converter DSPCOMMPARALLEL. When I try to use it with the evaluation board, I have a message : "FLASH PROGRAMMING FAILED". On the evaluation board, I put a jumpe


Erasing PFIU2 on the DSP56F807

Started by icktheslick in Freescale DSPs16 years ago 2 replies

I'm having some difficulty erasing PFIU2 on the DSP56F807. The manual alludes to the fact that PFLASH is actually one flash unit, ...

I'm having some difficulty erasing PFIU2 on the DSP56F807. The manual alludes to the fact that PFLASH is actually one flash unit, 60k in total size, and that the number of "pages" reflects this. I found that if I base everything on "PFLASH2" whose base address is


DSP56F807 Programming flash

Started by Lionel Degoutte in Freescale DSPs16 years ago 1 reply

Hello, In metrowerks codewarrior 5.2.1177, (with DSP56F807 demo board, and SDK 3.0) what is the difference between using or not...

Hello, In metrowerks codewarrior 5.2.1177, (with DSP56F807 demo board, and SDK 3.0) what is the difference between using or not using the option "use flash config file" in "flash setting -> M56800 Target setting". When i use it, the transfert into target


Codewarrior does not erase boot flash 56F807

Started by Wim de Haan in Freescale DSPs17 years ago 12 replies

Hi, Some members have problems with erasing/programming boot flash of DSP56F807 The bug is, that Codewarrior does not erase the...

Hi, Some members have problems with erasing/programming boot flash of DSP56F807 The bug is, that Codewarrior does not erase the boot flash of DSP56F807 (adresses 0x0..0x3) However it programs the boot flash without erasing before, so bits can be set to 0 but not to 1


Need help on G726 codec linking on DSP56F807

Started by sureshsureddi in Freescale DSPs16 years ago 2 replies

Hello, We are unable to link codec module to our application on DSP56F807 Evaluation board.While linking we are getting following ...

Hello, We are unable to link codec module to our application on DSP56F807 Evaluation board.While linking we are getting following link errors. Link Error : Undefined : "FG726EncCreate" Referenced from "Fmain" in main.c Link Error : Undefined : &


DSP56F807 : Capture registers of timers

Started by Lionel Degoutte in Freescale DSPs16 years ago

Hello, DSP56F807 has 4 timers modules. Each timers modules countains 4 counter/timer groups. Each counter/timer group has...

Hello, DSP56F807 has 4 timers modules. Each timers modules countains 4 counter/timer groups. Each counter/timer group has capture register which is loaded when an input change (depends of the capture mode in Status an Control register). Apparently, the 4 capture register


RE: page erasing DFLASH ON DSP56F807 - the mystery continues...

Started by Roberts Paul in Freescale DSPs16 years ago 3 replies

Has anyone ever PAGE erased DFLASH on the dsp56f807 ?  I finally had to solve my problem by 1) MASS erasing DFLASH, instead of...

Has anyone ever PAGE erased DFLASH on the dsp56f807 ?  I finally had to solve my problem by 1) MASS erasing DFLASH, instead of page erasing a portion of the total