Hardware Detail
FIGURE 2-7 SLEEP SETTINGS
TABLE 2-6 SLEEP SETTINGS
Connector Mark
Description
J13
When “SD” is connected with “VDD”, both channels will be set to
SLEEP and enter low-power-consumption working mode. When
connected to ground or left unconnected, both channels will
resume regular operation.
SD
Note:
“SD” means that the chip works with low power consumption. “MUTE” means
that the chip normally works with no output.
2.7 Gain Settings
The on-board 2-slide DIP switch, which is marked as “SW1”, is used to set the gain of
amplifier board. The two slides are marked as K1, K2 respectively. The following table
lists the gain values on different settings:
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2004-2009 Sure Electronics Inc.
AA-AB018_Ver1.0_Page 9
