In ATMega16, I want to ask how to use SPI with a MMC card.
I have seen that there are 4 pins in ATMega16 which implements SPI. They are
SS, MOSI, MISO, SCK.
For a MMC card, the 4 pin assignments are1 CS 2 Din 5 SCK 7 Dout
Is the SS pin of ATmega16 connected to CS of MMC or else?