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SUGGESTION: please make sure that you write something more relavent to your question in the subject line. People will be busy and ignore your post without even opening it. Some one who can solve your problem does so, you 'll be looser. It also helps newbies in searching the previous asked...
embedded systems interview questions
Let's call this is Q1. it wouls be easy to refer with Question number when this topic goes lengthy with lots of such questions.
i have one more question.
Q2) what is volatile keyword, and its significance?
i was asked in an interview. this is also related...
Re: configuring AT89C5131??
Hi!
i had initialized as mentioned. cool!!
what variables should be defined/ initialized here?
On monitoring the EP0 status register (UEPSTAX) i found that setup packet is received, so i think i'm on right track! pls respond!
regards,
srinivas
configuring AT89C5131??
The document "Implementing the USB Enumeration Process on the AT8xC5131/32/22 and AT8xC51SND1" says all about implementing as per USB specifications. I need to know with respect to the controller.
i mean, OK, i'll let you know how i have configured;
1) Configure USB...
all 11 adapters
ya! that's true.
but:
i faced lot of problems when i tried to develop the hardware required for ISP. I couldn't program it with FLIP. FLIP gives error message "Couldn't open USB port".
Possible reason could be; the device couldn't be set to ISP mode (even after satisfying the...
plcc52 plcc44 adapter
hi
i need the Adapter connector details to program AT89C5131 PLCC 52.
I'm using Advantech LabTool 48XP programmer. As per the programmer, it requires the adapter with part number '52PL/40D-ZAL-T89C5131' ; it is PLCC52 to DIP40 adapter.
Does some one have the schematic of...
Re: configuring AT89C5131??
hi all!
i 'm having trouble in configuring Atmel's AT89C5131 usb controller.
can some one list the configuration details for this controller.
thanks & regards
srinivas
Added after 6 minutes:
hi!
the configurations that i followed are as following:
// general...
hi all!
I could burn the program into AT89C5131, but where i'm struck is - i couldn't actually see if AT89C5131 sending data on to USB port or not.
could some one help me!!
regards,
srinivas
at89c5131 project
Hi ChipX!
Sorry, I was not online these days, so how are you doing with your project?
I'm using SPj compiler for compiling the code and burning the hex file into the at89c5131 chip with help of FLIP.
As you said, FLIP is only used for burning the code, i don't think that FLIP...
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