BBK DV725SI, Руководство по обслуживанию, Страница: 85 / 115

4 GND Ground 8 VDD
(+) 5V power
supply
3.5.11 function introduction to
24LLC020
1. 24LLC02 is a writable and programmable read-only memorizer, with its casing and pin function shown
in the following figure 3.5.11.1:
Figure 3.5.11.1 Casing and pin function explanation
2. The function of 24LLC02 is to keep some setup status of machine, such as system information of
sound and language selection, not losing after power on and still keeping the information set last time when
power on the next time. The circuit schematic diagram is shown as the figure3.5.11.2:
Figure 3.5.11.2 Circuit schematic diagram
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