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164 Bu il d Y o ur O w n Q u a d c o p t e r

Figure 7.5 Mitsubishi M51660L pin configuration.

Don’t be put off by the different physical configuration between the HT7002 in Figure
7.4 and the chip outline in Figure 7.5, as it is often the case that identical chip dies are placed
into different physical packages for any number of reasons. The M51660L block diagram
shown in Figure 7.6 illustrates the key functional circuits incorporated into this chip.
Now I will provide an analysis that will go hand-in-hand with the illustration of the
demonstration circuit shown in Figure 7.7, which was provided in the manufacturer’s data
sheet (as were the previous two figures 7.4 and 7.5).

Figure 7.6 M51660L block diagram.