A display driver generates a respective charge pumping signal and respective driving signals synchronized to a respective same clock signal for each of the CPU and video interface modes. A receptacle is included that may incorporate fasteners attaching the closure. The word line can be formed by connecting a segment in a first layer to a segment in a second layer with the memory cell disposed between the first layer and the second layer. Utilization of stainless steel rather than normal steel or lighter duty aluminum further extends the mounting systems longevity. The analyte may be calibrated using data from the infusion device and from a characteristic determining device.