Integrated Circuits Inc.

aMTPxxM Series

Ver 1.1

27/30

12/16/2014

MP3 Mode

Using 4.5V Battery And MP3 Mode Trigger With DAC Driver Speaker

Note

1.

PB0 is forward pin (input).

2.

PB1 is play / pause pin (input).

3.

PB2 is backward pin (input).

4.

PD1 is repeat enable option pin (input).

5.

PD2 is repeat mode select pin (input).

6.

PD0 is busy pin (output).

7.

C1, C2 and C3 must be connected directly on the VDD, VDDA, VDDB and VSS, VSSA, VSSB

pins of the chip.

8.

R1 is optional for fast discharge of C1, C2, C3 and Crst when power off.