Compounds of the formulae I, II, III, IV and VwhereinR1 i. The low-current blocking layer includes a multilayer structure. A memory stores instructions for execution by the processor pipeline, the memory being divided into pages for management by a virtual memory manager, a single address space of the memory having first and second pages. In the advanced mode, the input data is presented by the controller synchronously with both edges of the write data strobe. Power entities that may be controlled by the autonomous thermal controller include, e.