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Interfacing SD Card to PIC16F Using Hi-Tech C Compiler

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nishat anjum khan

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thank u...finally i have got accurate result...can u tell me about the difference between sd and micro sd card? i used micro sd for my voice recognition circuit but it shows error
 

Re: motor control with atmega8

hi

sd card is directly connected to µc, but micro sd card is connect using adapter to interface with µc.
 

Re: motor control with atmega8

madhusuthanan said:
hi

sd card is directly connected to µc, but micro sd card is connect using adapter to interface with µc.
Click to expand...


Voltage 3,3V ? Both cards must have adequate leveling and for both you can use adapter or just simple signal leveling with zenerz and some resistors.


nishat anjum khan said:
thank u...finally i have got accurate result...can u tell me about the difference between sd and micro sd card? i used micro sd for my voice recognition circuit but it shows error
Click to expand...

Check pins for start.

sd-card-pinout.png
 

Re: motor control with atmega8

i have written a code to initialize sd card for my project...here is my code and circuit


is it ok?
 

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  • voice.rar
    19.8 KB · Views: 88

Please don't mix several subjects in the same thread.
The sd card related discussion is not related to the motor control so I have moved this in a new thread.
 

i have written my code in hitech c for pic16f...but this isn't executed properly...some problem occured for read and write on sd card
 

He didn't , he started posting this in his previous thread that was motor control with mega8 and I have decided to move the posts to a new thread because the SD card discussion that started after the motor control was solved was a different subject but actually it was worse than I thought, it was or a different mcu too!
 

I have changed the title to reflect the true topic of discussion.

Please post your source code using CODE/SYNTAX tags or zip it into a single file and upload.

BigDog
 

this is my code and circuit...and sorry as i didn't change the title
 

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  • voice.rar
    19.8 KB · Views: 88

hi

do you check it in simulation? it works fine then check there s problem in hardware.
 

i tried...but in simulation i had to fave problems due to sd card...can u check it plz??
 

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  • simulation.rar
    16.3 KB · Views: 82

yes...but according to the code error led is on which indicates the problem of sd card to read or write...do u simulate it? is it working?
 

no, there is missing some files, audio & SD card. you remove sd card & then use as play back & test it
 

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