MS6334/6335
MOSA
MS6335 DEMO BOARD
16-Bit Stereo Audio DAC integrated HP Driver with Volume Control
2.7V ~ 5.5V
-+
S5
S1
a
c
2.7V ~ 5.5V
+
-
Audio
Input
LED1
S4
LED2
S2
LED3
S3
S4 (Power): POWER On/Off
Power On: If this key is pressed until the LED1 power on(about 3 sec),then system is Power On.
Power Off: If this key is pressed until the LED1 power off(about 3 sec),then system is Power Off.
S2 (UP) & S3 (Down): Volume Control
The volume key is used to adjust the volume of playing, and the segment is divided to 31 levels(-39dB～+6dB).
The prime value is level 5(-33dB).
Express full volume when LED3 is bright continuously.
Express mute on when LED2 is bright continuously.
S1: Reset
All I/O pins are reset to high.
S5: I2S/Normal
This PIN is used to switch the mode of audio format.
I2S : a & c open.
Normal : a & c short.
REV 1.0
16
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