A method for placing a device in a selected mode of operation. The method comprises the steps of initializing a device select signal into a first logic state, asserting the device select signal in a second logic state, and returning the device select signal to the first logic state within a first user-controlled...http://www.google.de/patents/US20050035895?utm_source=gb-gplus-sharePatent US20050035895 - Read-only serial interface with versatile mode programming
