5680x PINS -> electrical specifications ?

Started by Mariano Filippa in Freescale DSPs17 years ago 5 replies

Does anybody know where can I get a good electrical description of the Motorola DSP 5680x pins ?   I have to...

Does anybody know where can I get a good electrical description of the Motorola DSP 5680x pins ?   I have to interface


Rif: RE: Protecting firmware in 5680x

Started by Anonymous in Freescale DSPs18 years ago 1 reply

Ok, I found another that using DS2432! Which is code size to decode DS2432 information ? P.S. DS2432 seems expensive (for my...

Ok, I found another that using DS2432! Which is code size to decode DS2432 information ? P.S. DS2432 seems expensive (for my applicaton) (around 3.9 euro). Regards, Giuliano Simon Lightbody


Protecting firmware in 5680x

Started by Anonymous in Freescale DSPs18 years ago 9 replies

In order to avoid that anyone can clone my product, I ask you if is there any possibility or idea to protect firmware when my...

In order to avoid that anyone can clone my product, I ask you if is there any possibility or idea to protect firmware when my product is delivered. Are you sensible to this problem ? I'm evaluationg MAXIM DS2432 but (it seems difficult to obtains) Thanak you Giuliano


does compiler pass structs as pointer, or by value?

Started by Corey, Rick in Freescale DSPs17 years ago 1 reply

Hi Does anyone happen to know whether the C compiler for 5680x (either version 5.0.4 or 5.1) passes structs as pointers, or by...

Hi Does anyone happen to know whether the C compiler for 5680x (either version 5.0.4 or 5.1) passes structs as pointers, or by value? I mean, does it put every byte of the struct onto the stack, or just pass a reference? For instance, would this invocation


Slow access time peripheral on external bus

Started by Pascal Marchetti in Freescale DSPs18 years ago

Has anyone experienced slow access time peripherals on a 5680x? I need to interface a LCD controler (SED 1335) on the external...

Has anyone experienced slow access time peripherals on a 5680x? I need to interface a LCD controler (SED 1335) on the external memory bus. Any advice is wellcome. Thanks. Pascal.


Maximun flash program word time in 5680x

Started by Anonymous in Freescale DSPs18 years ago 5 replies

In my product I need to store unvolatile data when the power supply goes down. Internal flash memory seem be right for this. The...

In my product I need to store unvolatile data when the power supply goes down. Internal flash memory seem be right for this. The problem is that I not know the maximun programming time of internal flash. Does anyone have an idea on this time ? It seems difficult to obtain!!


JTAG Hardware Failure

Started by cmafatcontroller in Freescale DSPs17 years ago 2 replies

Has anybody had experience with apparent hardware failure localised to JTAG functions on 5680x's ? We had 3 NewMicros boards fail ...

Has anybody had experience with apparent hardware failure localised to JTAG functions on 5680x's ? We had 3 NewMicros boards fail yesterday, where symptom of failure is no connection to board from CodeWarrior, however at least 1 of the boards during the attempted connection/ download


JTAG_OVER_FLASH (Delta 0.6) option -info

Started by Christian Brauchli in Freescale DSPs18 years ago 1 reply

Dear friends, The Dos utility "jtag_over_flash.exe" to download Software to the DSP Family 5680x has got the option -info,...

Dear friends, The Dos utility "jtag_over_flash.exe" to download Software to the DSP Family 5680x has got the option -info, which can be used to download Data into the information block of the flash unit of the DSP. (e.g to download a serial number/ programming date a


Capture signal period w/ 5680x timer

Started by Steve Glow in Freescale DSPs18 years ago 1 reply

I'm trying to use a quad timer block to capture the period of an encoder input for velocity calculation. The problem I'm having is...

I'm trying to use a quad timer block to capture the period of an encoder input for velocity calculation. The problem I'm having is that the input period is quite small and frequent, so I really don't want to service an interrupt as part of the capture. One problem I'm having i


DSP5680x: Programming Flash without Codewarrier

Started by Christian Brauchli in Freescale DSPs19 years ago 3 replies

Dear friends of Motorola DSP,   I'm looking for a Software to programm the flash of an DSP 5680x (currently I'm...

Dear friends of Motorola DSP,   I'm looking for a Software to programm the flash of an DSP 5680x (currently I'm using 56807) without using the CodeWarrier


Writing MSCAN CANE bit (56805)

Started by Jan Zizka in Freescale DSPs17 years ago 1 reply

Hi, in manual there is written following about CANTCL1 register bits (ch. 8.8.2 of 5680x User's manual): "These bits are...

Hi, in manual there is written following about CANTCL1 register bits (ch. 8.8.2 of 5680x User's manual): "These bits are read/write at any time when SFTRES = 1, except CANE. It is write once in normal modes and any time in special modes when SFTRES = 1."


Rif: RE: Maximun flash program word time in 5680x

Started by Anonymous in Freescale DSPs18 years ago

>It depends on how much data you need to save. The Page Erase time (page = 256 words) >is 20ms minimum, and the Mass...

>It depends on how much data you need to save. The Page Erase time (page = 256 words) >is 20ms minimum, and the Mass Erase (all Data Flash) time is 100ms minimum. Then you >have to program each word (20us minimum for each word). Ok,