Sep 6, 2011 #1 A abhi_iitd Newbie level 5 Joined Apr 8, 2011 Messages 10 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,345 hi, i want to design a I/O cells in such a way so that its input port and power supply port can be interchange that is one control pin that tell the port whether it have to work as a input port or power supply port
hi, i want to design a I/O cells in such a way so that its input port and power supply port can be interchange that is one control pin that tell the port whether it have to work as a input port or power supply port
Sep 7, 2011 #2 leo_o2 Advanced Member level 4 Joined Sep 3, 2004 Messages 1,322 Helped 278 Reputation 558 Reaction score 241 Trophy points 1,343 Location China Activity points 5,761 Use the control pin to control a transmit gate (can be implemented by MOSFET switch).