Floating Point Precision and Accuracy, 56F80x

Started by Pete Becher in Freescale DSPs16 years ago 2 replies

Hi All, Anyone know what the accuracy and/or precision of floating point math is on the DSP56F80x processors when using...

Hi All, Anyone know what the accuracy and/or precision of floating point math is on the DSP56F80x processors when using CodeWarrior? I have been having a lot of problems getting accurate results from "simple math" . I get a lot of values that look like this, 1


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

Started by Andrew Shelkovenko in Freescale DSPs16 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


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

Started by microLOGIX embedded in Freescale DSPs15 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


Updated User's Manuals Available

Started by Michael W. Mann in Freescale DSPs16 years ago

Rev. 4 of the DSP56F80x User's Manual and Rev. 2 of the DSP56F826/827 User's Manual are now available from Motorola's Literature ...

Rev. 4 of the DSP56F80x User's Manual and Rev. 2 of the DSP56F826/827 User's Manual are now available from Motorola's Literature Distribution Center. Log on to the LDC via: http://www2.hibbertgroup.com/motorola/main? ac


RE: DSP56F80x Pwm port directly drive Leds or optoc oupler?

Started by Johnson, Jerry in Freescale DSPs17 years ago 1 reply

We are directly driving both leds and optocouplers from the PWM outputs without dificulties.

We are directly driving both leds and optocouplers from the PWM outputs without dificulties.