In one embodiment, a processor comprises a programmable map and a circuit. In an embodiment of the device, the airway device includes imaging apparatus, optionally textured balloons, and image display device for monitoring the position of the device, thereby facilitating placement of the device and monitoring ability to determine a change in positioning. The segment codes are combined so as to generate a mask code, which can be decoded to reconstruct the data mask. The system also includes a logic that adds clock drivers to the standard cell block using the initial clock driver placement pattern. The Walsh code sequence generator can produce a new access on every hardware clock cycle, thereby maximizing the efficiency of the bit sequence requesting process. Photodetectors of these inventions have a large number of quantum well structures to improve absorption or interaction cross section.