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using TOD with high external oscillator frequency (DSP56F827)   [2 Articles]

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 adva...

DSP56F827 - Un-handled Interrupt: finding source??

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...

Running from flash without the debugger support (DSP56F827)   [5 Articles]

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...

RE: DSP56F827 - Un-handled Interrupt: finding sour ce??   [2 Articles]

Hi Boaz I see on p.4-13 of the 56800 Family Manual (ITCN), a test register TCSR, with bits 8..13 called "vector". That's just enough bits to encode the 64 inte...

Where could i get some programs to run with DSP56f827   [3 Articles]

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 ...

CC1000 along with DSP56F826/DSP56F827

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 bu...

What procedure of the load DSP56F827 bootstarap program?   [2 Articles]

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 stan...

SPI receive   [2 Articles]

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 ve...

128k of external Data RAM   [4 Articles]

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 ach...

do Ineed to use a timer if using the SPI as a slave?   [2 Articles]

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 ...

GPIO interrupts in DSP56F827   [3 Articles]

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...

Using IrDAwith DSP56F827

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...

sending/ receiving clocks via dedicated GPIOs: DSP56f827

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 outlin...

I2C interfacing

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 ...

opcodes in hexadecimal   [3 Articles]

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...

"Cannot connect to board" problem   [3 Articles]

Hi all, I'm using the DSP56F827 for almost 4 years now. And after I changed computers, I'm having problems with the connection to the board through JTAG. The problem ...

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

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 Fb...

CW: Converting 16bits to 32bit with sign extention, C-compiler   [2 Articles]

Hi, A quick question: I'm using the CW C-compiler. I have a 16-bits signed variable x. The function func() expects a 32-bits signed data. The problem is...

DSP56F827 Resetting Observation

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 ...

DSP56F827: Condensing Strings, two 8bit chars into 16bits

Hello, I have many strings in my sw. The takes a lot of space. The strings are defined as: const char STRING1[] = {"HELLO"}; This puts the 8-bit ASCII ...

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

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...

DSP56F827: IRQB Problem: active when shouldn't

Hello, A strange behaviour from the IRQB - it calls the NORMAL-Interrupt even though it is disabled. At init stage, the IRQB is disabled. At debug, I read IPR=...

DSP56F827: Placing sw in pFlash1 and pFlash2

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 link...

&ArchIO.Spi1.DataRxReg is always zero

Whenever i read from the SPI's &ArchIO.Spi1.DataRxReg, the value read is always zero. How could i get the register to change? Is it directly connected to the MOS...

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

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 wo...

comparing signals

i am sending a clock from TA1 on DSP56f827. I am then routing the clock through a small circuit and back into a gpio pin. once received at the gpio i need to do a t...

DSP56F827: Flash to RAM copy - Compiler Overflow w/o Error?   [2 Articles]

Hi all, I've come across a problem. The sw has some constant data, which is copied after reset from pflash to RAM, as one big block - the data is mirrored to R...

RE: DSP56F827: Flash to RAM copy - Compiler Overf low w/o Error?   [2 Articles]

I think the problem could be in using the 'AT' linker command, which places a section to an arbitrary address. The CodeWarrior linker correctly reports an overfl...

AW: Re: DSP56F827: Flash to RAM copy - Compiler Overflow w/o Error?   [2 Articles]

I think rather this is a problem in the linker.cmd file you have. For me it indicates the memory overrun, but I have defined an own region in the linker command fil...

Comparing two clock signals

I would like to input a clock signal into a gpio pin on the dsp56f827 which has been generated from timer_A2. (Timer A2 physically wired to the GPIO pin) I the...

Running from flash with DSP56F827

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 m...

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

-----Original Message----- From: Corey, Rick Sent: Monday, November 17, 2003 3:27 PM To: 'TA1T' Subject: RE: do Ineed to use a timer if using the SPI as a...

CallbackOnInputEdge problem   [2 Articles]

I am using timer_A2 to receive a clock signal of 10KHz. I want to use the CallbackOnInputEdge interrrupt to run every time a positive edge is received. When...

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: 56F827 ADC SYNC   [2 Articles]

See attached application note. It is written for DSP56F80X processors but it may help you with DSP56F827. Leonard -----Original Message----- From: Papa__J...

RE: You opinion of Metrowerks and Motorola 56800   [3 Articles]

Hello, all I have similar problems with DSP56F807 ADC: measurements are noisy and inaccurate. I would like to use DSP56F827 in next project. Does anybody exper...

Re: SCI, '827, nothing happens! - here's the setup

Thanks for your correction Fabio. I tried it, but still the sci is not working. Here's the init process. maybe I missed something. I am using CW ver 4.1,...

RE: Crystal not working   [4 Articles]

Rob -   I do not know exactly how you have connected up the crystal, but we have a FAQ that might be of interest.   ...

Lastest FAQs for Motorola 568xx DSPs

********************************************************************** * Summary of latest FAQs ( available at http://e-www.motorola.com/cgi-bin/faq.cgi? kbas...

RE: EVM56F827 ADC Problem...

I could not find any documentation in the DSP56F827 user manual (Rev. 1.0), nor the Data Sheet (Rev 1.0) , (nor the 82X User Manual Addendum published Oct. 14, 2...