Problems with COP Reset in Stop mode in DSP56F803

Started by sys_bg2002 in Freescale DSPs18 years ago

Hi to all, I have problems trying to exit from Stop mode using the COP reset. The system is resetted but I can not find a way to...

Hi to all, I have problems trying to exit from Stop mode using the COP reset. The system is resetted but I can not find a way to controll the COP timeout. Nevermind of the values written in COPTO register, my application resets in about 6 seconds and I can not change this perio


56f80xEVM <----> PC (RS-232 Interface)

Started by Andrew Shelkovenko in Freescale DSPs17 years ago

Hello! In the br1538.pdf - DSP56F80X High-Speed RS-232 Interface Example - 2. DSP56F803 SCI Transmit Code Snippet ------ ...

Hello! In the br1538.pdf - DSP56F80X High-Speed RS-232 Interface Example - 2. DSP56F803 SCI Transmit Code Snippet ------ SCISR EQU $0F02 ; SCI STATUS REGISTER SCIDR EQU $0F03 ; SCI DATA REGISTER SCI_XMIT: BFCLR #8000,X:SCISR,* ; WAIT UNTIL TRANSMIT BUF


arithmatic

Started by btfdesigns in Freescale DSPs17 years ago

I am using the DSP56F803. I am accumulating three count rates and I need to know the ratio of these count rates in this manner. ...

I am using the DSP56F803. I am accumulating three count rates and I need to know the ratio of these count rates in this manner. ratio = cnt1 / (cnt2 + (cnt3/2)) The count rates are such that ratio will always be less than 1. How do I get a value for ratio other than zero?


Writing into Data Flash problem

Started by Rajarama Puranika in Freescale DSPs17 years ago 2 replies

Hello All, I am using motorola DSP56F803 I am trying to data flash using SDK APIs as follows: UWord16 Digit = 0xFFFF; ...

Hello All, I am using motorola DSP56F803 I am trying to data flash using SDK APIs as follows: UWord16 Digit = 0xFFFF; FlashDevice = open(BSP_DEVICE_NAME_FLASH_X,0,NULL); for(count=0;count < 1024 ; count++ write(FlashDevice,&Digit,1); Even though


JTAG Programing

Started by Jacob Christ in Freescale DSPs17 years ago 6 replies

I'm setting up a production line and need to be able to FLASH my boards (DSP56F803) without the operator having to be in the CW...

I'm setting up a production line and need to be able to FLASH my boards (DSP56F803) without the operator having to be in the CW application.


Problem with sending 7 and 8 Byte Frame in CAN

Started by rogergill_99 in Freescale DSPs18 years ago 3 replies

With my target board, and the DSP56F803 Evaluation board, I am experiencing problems with the MSCAN module when sending 7 and 8 byte...

With my target board, and the DSP56F803 Evaluation board, I am experiencing problems with the MSCAN module when sending 7 and 8 byte frames. The problem I have is when I send 7 byte frames, often I do not get an ACK sequence from other connected devices, and when I send an 8


DSP56F803 Data/Adress Bus... Mounting LCD & Clocking

Started by wpethe in Freescale DSPs19 years ago

Hi, I would like to interface a LCD with the Data bus an the Controler System. The LCD has an 8bit interface (data bus) and...

Hi, I would like to interface a LCD with the Data bus an the Controler System. The LCD has an 8bit interface (data bus) and Pins for Enable (High for Access) Register Select (Data Register / Instruction Register) Read Write Direction (Low for Write from DSP to RAM/ High


BLDC Drive[Starting & Speed Control Problem] Plz Help me[DSP56f803]

Started by microLOGIX embedded in Freescale DSPs16 years ago

Hai to All,  I am Muthu,working on motorola DSP56F80x series processor.  Currently i am developing a BLDC Drive,i have some...

Hai to All,  I am Muthu,working on motorola DSP56F80x series processor.  Currently i am developing a BLDC Drive,i have some problems.    Sensored BLDC Drive  -------------------  i)  I connected SensorA in TMRA0[Taking Captrure for Spee


writing data to internal flash in single-chip mode

Started by Krzysztof Gruszka in Freescale DSPs18 years ago 1 reply

Hello, I need to write some data (about 20 x UWord16, like user setup of SCI protocol) into flash memory in DSP56F803 chip. My...

Hello, I need to write some data (about 20 x UWord16, like user setup of SCI protocol) into flash memory in DSP56F803 chip. My application is using single-chip mode without external memory, in Motorola's Embedded SDK 2.5 as standard target Flash. I tried it:


Please Help I am new to DSP56F803

Started by Aderibigbe Emmanuel in Freescale DSPs16 years ago

Hello, Please I am new

Hello, Please I am new