MOSA

MS6334/6335

16bits Stereo Audio DAC integrated HP Driver with Volume Control

REV 5

16/20

www.mosanalog.com

DEMO BOARD

2.7V ~ 6.5V

-+

S1

S5

a

c

+

-

2.7V ~ 6.5V

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: I

This PIN is used to switch the mode of audio format.

Normal : a & c short.