Dec 12, 2012 #1 N nimmyj Newbie level 6 Joined Nov 2, 2012 Messages 12 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 1,359 three wire spi and four wire spi for Atmega 16 interfacing are same??
Dec 13, 2012 #2 H HTA Advanced Member level 1 Joined Nov 17, 2011 Messages 445 Helped 108 Reputation 216 Reaction score 104 Trophy points 1,323 Activity points 3,925 For bidirectional SPI communication (read/write) you need 4 wires. Here is a description of how to use it **broken link removed** . Enjoy your design work!
For bidirectional SPI communication (read/write) you need 4 wires. Here is a description of how to use it **broken link removed** . Enjoy your design work!
Dec 15, 2012 #3 N nimmyj Newbie level 6 Joined Nov 2, 2012 Messages 12 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 1,359 Thank you.. - - - Updated - - - THANK YOU..
Dec 15, 2012 #4 alexan_e Administrator Joined Mar 16, 2008 Messages 11,888 Helped 2,021 Reputation 4,158 Reaction score 2,031 Trophy points 1,393 Location Greece Activity points 64,371 HTA said: For bidirectional SPI communication (read/write) you need 4 wires. Click to expand... No, there is also the three wire version where the MISO/MOSI lines are a single bidirectional data line https://en.wikipedia.org/wiki/Serial_Peripheral_Interface_Bus#Three-wire_serial_buses
HTA said: For bidirectional SPI communication (read/write) you need 4 wires. Click to expand... No, there is also the three wire version where the MISO/MOSI lines are a single bidirectional data line https://en.wikipedia.org/wiki/Serial_Peripheral_Interface_Bus#Three-wire_serial_buses