SPI based micro SD Card interface

Hi,

working on SD card example below
http://www.keil.com/appnotes/files/apnt_273.pdf
with different IO pins for SPI Interface of Micro SD card with XMC4700
unable to write data on micro SD Card.
the I/o are:
P6_4 -- MOSI
P6_3 -- MISO
P6_4 -- CLK
P6_4 -- Chip Select.

Regards
Naveen Reddy
Senior Firmware Engineer
Navsemi Energy
Bangalore