Option Audio CG0102, User Manual

Page: 18 / 32

translators, e.g.
between I/O signals
from the processor
and circuitery on the
main board or on
the expansion cards output buck
converter (3V3, 1V8
and 1V2). The
maximum output
current capability of
each output of the
converter is
dependent on the
loads on the other
two outputs.
1V8 1.8V Internal use on the
main board only Internal use only
1V2 1.2V Internal use on the
main board only Internal use only
Internal Power Circuits Block Diagram
18