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→Controller
[[Image:Temp Controller Block.JPG|thumb|Temperature sensor controller functional block diagram]]
[[Image:Temp Controller Block.JPG|thumb|Temperature sensor controller functional block diagram]]
The functional block diagram for the controller is shown to the right. The blocks are:
* '''Counter'''
** Counts a cycle of 17 pulses; holds ''En'' high for 11 pulses, holds ''CE'' high for 16 pulses.
** inputs
*** ''Clk'': clock
*** ''Rst'': asynchronous, active-low rest
*** ''Go'': trigger to begin cycle
** outputs
*** ''CE'': serial chip enable
*** ''En'': internal shift enable