MS6257
MOSA
DEMO BOARD
GAIN AND ATTENUATION VOLUME CONTROLLER IC
2
1
4
1
3
Label 1: Supply Voltage
The AVDD and DVDD should be the same supply voltage, the supply range is 2.7~5.5 VDC.
Label 2: Control Switch
2-CH+ : The volume-up switch for stereo channel
The volume increase by +1dB as the switch is pressed once, the maximum value is up to +15dB.
The default value is 0dB on initial status.
L-channel and R-channel are active synchronic.
2-CH- : The volume-down switch for stereo channel
The volume decrease by -1dB as the switch is pressed once, the minimum value is up to -79dB.
L-channel and R-channel are active synchronic.
LCH+ : The volume-up switch for left channel
The volume increase by +1dB as the switch is pressed once, the maximum value is up to +15dB.
LCH- : The volume-down switch for left channel
The volume decrease by -1dB as the switch is pressed once, the minimum value is up to -79dB.
RCH+ : The volume-up switch for right channel
The volume increase by +1dB as the switch is pressed once, the maximum value is up to +15dB.
RCH- : The volume-down switch for right channel
The volume decrease by -1dB as the switch is pressed once, the minimum value is up to -79dB.
MUTE : Press the switch once to enter mute on or mute off.
The default status is mute off on initial status.
RESET : Reset MCU controller, the system will be loaded default value.
REV 1
14
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