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Microchip Technology ay-3-8910 - Page 22

Microchip Technology ay-3-8910
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Fig. 6
The full chart describing all combinations of the 5-bit Amplitude
Control is as follows:
Amplitude Control
Register #
Channel
R10
A
R11
B
R12
C
Fig. 6 graphically illustrates a selection of variable level (envelope-
controlled) amplitude where the 16 levels directly reflect the output
of the Envelope Generator. A fixed level amplitude would correspond
to only one of the levels shown, with the level directly determined by
the decimal equivalent of bits L3 L2 L1 L0.
VARIABLE AMPLITUDE CONTROL (M=1)