communication between SD card and microcontroller

[Arrowspace]

I want to communicate with SD card using dspic microcontroller, my microcontroller work on TTL logic and SD card on CMOS(3.3 V), which lever shifter IC should I use for it?

 

[Kurenai_ryu]

well you can try:

resistor divider

resistor and zener diode

mosfet adapter

It all depends on your bus speed... (capacitances and that stuff) and the voltage levels of your 5V microcontroller (if the MISO input is schmitt trigger and you use a pasive converter (resistor) you could face problems)

read this:

**broken link removed**
**broken link removed**
http://www.bb-elec.com/Products/Ser...al-Converters/Baud-Rate-Converter-RS-232.aspx


finally you can buy something like this:
http://yourduino.com/sunshop2/index.php?l=product_detail&p=246

 

[Arrowspace]

Thanks for providing this useful information