Running from flash without the debugger support (DSP56F827)

Started by atid2 in Freescale DSPs17 years ago 4 replies

Hi all, I'm having a hard time running my software directly from the flash of the DSP56F827. I'm using the serial bootloader...

Hi all, I'm having a hard time running my software directly from the flash of the DSP56F827. I'm using the serial bootloader to download the s-record file into the flash, and then it runs ok (even if I push the reset button). But the second I take out the electricity and


using TOD with high external oscillator frequency (DSP56F827)

Started by atid2 in Freescale DSPs17 years ago 1 reply

Hi all, Does anybody know of a way to use TOD with external oscillator frequency higher than 6MHz (actually it's 80MHz)with the...

Hi all, Does anybody know of a way to use TOD with external oscillator frequency higher than 6MHz (actually it's 80MHz)with the DSP56F827? Thank you in advance Ari Tidhar


RE: Re: DSP56F827: Flash to RAM copy - Compiler O verflow w/o Error?

Started by Johnson, Jerry in Freescale DSPs16 years ago

RE: [motoroladsp] Re: DSP56F827: Flash to RAM copy - Compiler Overflow w/o Error? As a point of reference, is this a...

RE: [motoroladsp] Re: DSP56F827: Flash to RAM copy - Compiler Overflow w/o Error? As a point of reference, is this a "compiler error"  or a linker error?  I would hope this is a linker error, in that the linke


opcodes in hexadecimal

Started by Andreia Barbiero in Freescale DSPs14 years ago 2 replies

Hi! I think it's a easy question... I want to know where I can find the Motorola DSP56F827 opcodes translated to hexadecimal. Sorry,...

Hi! I think it's a easy question... I want to know where I can find the Motorola DSP56F827 opcodes translated to hexadecimal. Sorry, but a searched in many manuals and I didn't found... Thanks Andreia __________________________________ Discover Yahoo! Get on-the-go sports scores, stock quotes, ne


DSP56F827 Resetting Observation

Started by Papa__J in Freescale DSPs17 years ago

Just an observation I thought would be useful to share with the community. I've been playing with the DSP56F827EVM for a couple of ...

Just an observation I thought would be useful to share with the community. I've been playing with the DSP56F827EVM for a couple of days now and I have noticed that when I am running a program out of flash that the board seemed kind of flaky. I traced the problem down to the PC parall


Where could i get some programs to run with DSP56f827

Started by TA1T in Freescale DSPs16 years ago 2 replies

Hello, Does anyone know if there is a place where I could find some Codewarrior programs to run with the DSP56F827EVM. I am just ...

Hello, Does anyone know if there is a place where I could find some Codewarrior programs to run with the DSP56F827EVM. I am just starting out on a project using it and would like to get some simple programs running to help me understand how things work.


GPIO interrupts in DSP56F827

Started by atid2 in Freescale DSPs17 years ago 2 replies

Hi, I am trying to use the GPIO interrupt mechanism but I have a problem: Immediately after I enable the pin interrupt - the...

Hi, I am trying to use the GPIO interrupt mechanism but I have a problem: Immediately after I enable the pin interrupt - the interrupt occurs. It happens every time I try it, no matter what the polarity is or any other parameters I configured (I think I tried them all).


Help receiving 4 dig signals + sending to pc (dsp56f827)

Started by TA1T in Freescale DSPs16 years ago

Hello, Can anyone help me with some sample code etc. I am using the dsp56F827EVM and I would like to create a program that...

Hello, Can anyone help me with some sample code etc. I am using the dsp56F827EVM and I would like to create a program that receives four digital signals and sends the signals to my pc (to be displayed on virtual instruments using LabwWindows CVI). The dsp s


CC1000 along with DSP56F826/DSP56F827

Started by Nitin Madhukar Yewale in Freescale DSPs17 years ago

Hi, I am planning to use CC1000 (Chipcon) IC along with DSP56F826 chip. Does any body have any idea about CC1000 ? I have gone...

Hi, I am planning to use CC1000 (Chipcon) IC along with DSP56F826 chip. Does any body have any idea about CC1000 ? I have gone through the details about CC1000 but not able to locate information regarding RF synchronization. Thanks and Regards, Nitin


What procedure of the load DSP56F827 bootstarap program?

Started by stoune_subscr in Freescale DSPs16 years ago 1 reply

She similar to 826? In a documents it is said that in him there is no boot memory, there is which order of load of this processor...

She similar to 826? In a documents it is said that in him there is no boot memory, there is which order of load of this processor then. If someone can give the standard of bootstarap program for DSPF827.


SPI receive

Started by cnnrgrdnr in Freescale DSPs16 years ago 1 reply

Hey, Does anybody have any working code that could receive SPI signals and send them to the pc for display. I have DSP56f827, ...

Hey, Does anybody have any working code that could receive SPI signals and send them to the pc for display. I have DSP56f827, SDK2.5, PC Master1.2. I would be very thankful if i could have a look at it as the code i have at the minute has lots of errors when i debug it.


DSP56F827: Placing sw in pFlash1 and pFlash2

Started by bmbmz123 in Freescale DSPs15 years ago

Hello, My sw has overflowed pFlash1 memeory, and I want to put sw in pFlash2. Currently, I have already placed some constant...

Hello, My sw has overflowed pFlash1 memeory, and I want to put sw in pFlash2. Currently, I have already placed some constant strings in pFlash2, using the linker, and the AT command for Ext_Ram_Mirror. How will I add sw to pFlash2, and how should I handle the const data


DSP56F827 - Un-handled Interrupt: finding source??

Started by bmbmz123 in Freescale DSPs16 years ago

Hello all, It seems I'm getting Unhandled Interrupt from some source. I get to archUnhandledInterrupt() in arch.c file. ...

Hello all, It seems I'm getting Unhandled Interrupt from some source. I get to archUnhandledInterrupt() in arch.c file. How can I find the source of this interrupt when I reach this routine? I am not THAT familiar with the ITCN registers and operation.


Using IrDAwith DSP56F827

Started by atid2 in Freescale DSPs16 years ago

Hi all, I'm trying to use the IrDA protocol to communicate with a PC. I have the proper hardware: A USB-to-IrDA connector for...

Hi all, I'm trying to use the IrDA protocol to communicate with a PC. I have the proper hardware: A USB-to-IrDA connector for the PC. And a chip that implements the phisical layer of the IrDA, by converting the RS232 protocol to IrDA(Maxim3131), connected to one of the SC


sending/ receiving clocks via dedicated GPIOs: DSP56f827

Started by TA1T in Freescale DSPs16 years ago

Does anyone have any code that would SEND a digital clock from four of the dedicated GPIO's on the DSP56F827EVM. If not then...

Does anyone have any code that would SEND a digital clock from four of the dedicated GPIO's on the DSP56F827EVM. If not then could someone give me a basic outline as to how i could program this. I require clocks at (near 12.288MHz), 48KHz, 3.072MHz and 10KHz and I am using CW


128k of external Data RAM

Started by atid2 in Freescale DSPs16 years ago 3 replies

Hi all, I would like to use 128k of external Data RAM with the DSP56F827. I'm currently using 64K of XRAM. What is the...

Hi all, I would like to use 128k of external Data RAM with the DSP56F827. I'm currently using 64K of XRAM. What is the procedure I have to take in order to achive it? Thank you in advance, Ari.


I2C interfacing

Started by TA1T in Freescale DSPs16 years ago

Hello, Can anybody help me receive I2C signals on the DSP56f827 board. I would like to receive I2C signals and then send them...

Hello, Can anybody help me receive I2C signals on the DSP56f827 board. I would like to receive I2C signals and then send them to the pc for display on virtual instruments (via serial port). I am using sdk 2.5 and codewarrior V5.0 and have knowledge of C programming.


do Ineed to use a timer if using the SPI as a slave?

Started by TA1T in Freescale DSPs16 years ago 1 reply

I am using the SPI module on the dsp56f827 as a slave. It reads data on the MOSI but doesnt send anything back to the master on...

I am using the SPI module on the dsp56f827 as a slave. It reads data on the MOSI but doesnt send anything back to the master on the MISO.Do i need to use a quad timer at all. if so WHY,and what frequency should i set the timer to?


Running from flash with DSP56F827

Started by atid2 in Freescale DSPs17 years ago

Hi All, This is a very desperate call for help!!! I am struggling for several month now to run my software from the flash. ...

Hi All, This is a very desperate call for help!!! I am struggling for several month now to run my software from the flash. I am using the flash for program memory and the internal and external X RAM memory. At first I could run it from the flash but not after power


RE: DSP56F827: Condensing Strings, two 8bit cha rs into 16bits

Started by Wim de Haan in Freescale DSPs15 years ago

Hello Boaz, I had the same problem at DSP56F807 with Codewarrior. The only way for me to solve it, was to put all strings in...

Hello Boaz, I had the same problem at DSP56F807 with Codewarrior. The only way for me to solve it, was to put all strings in assembly: Assembly: global Fbatt_type Fbatt_type dcb 'Battery type',0 ; you must append the trailing 0 yourself C-code: