Hello, i am facing problem in erasing the file contents completely, i.e. when i create a text file with some text in it and then i either delete or quick format the card using library, the file is not visible (i.e deleted from FAT table only). But when i create text file again with same file name, w...

As in SPI, each slave has a pin (Slave Select / Chip Select) which is directly connected to Master (without being shared with any other slave). and usually SDI , SDO & SCK pins are all shared & connected to all slaves. So in order to address any of the slave, Master simply uses corresponding slave s...

Please, could you explain, why is it necessary to select HS oscillator in configuration bits instead of XT oscillator?
Thanks

@Ikari: Please post the code you mentioned about passing multiple (255bytes) to read write. My object is to send about 20bytes to slave Microcontroller on single read request interrupt from master...
thanks

rmteo wrote:That would defeat the purpose of having a watchdog in the first place.

Please explain how would it defeat the purpose of having a watchog.