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Atmel AT83SND2C MP3 User Manual

Page 38

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Protocol Frame Description

5-34

AT83SND2CMP3 User Guide

7525A–MP3–07/05

Table 5-17 . Play Mode (MOD 1:0)

Table 5-18 . Player File Type (FILETYP 4:2)

Table 5-19 . SYSTEM_PLAYER_MODE command format

SYSTEM_AUDIO_INPUT Select Player Audio Input Channel:

„

None

„

Mono Input (AUXN, AUXP)

„

Stereo Input (LINEL,LINER)

The Select Input ‘None’ is a Mono/ Stereo output disable function. When Input channel
have to be closed, Remote Controller shall send the Select Input ‘None’.

After a PowerDown mode, the Remote Controller shall re-configure the audio input as
wanted.

Table 5-20 . SYSTEM_AUDIO_OUTPUT Command Format

Table 5-21 . AUDIO_INPUT Format

Player Mode

(PLAYER_MODE)

MOD1

MOD0

Play Single File

0

0

Play Dir

0

1

Play Disk

1

0

Player File Type (FILETYPE)

FILETYP2

FILETYP1

FILETYP0

Mp3 Files only.**

0

0

0

All files extensions are visible. (Explorer
mode for file transfer)

1

0

0

Frame Start

Channel

Protocol

Command

Data Length

Data

CheckSum

7Eh

Not used,

FFh

0Dh

01h

Byte 0: PLAYER _MODE

Yes

Frame Start

Channel

Protocol

Command

Data Length

Data

CheckSum

7Eh

Not used,

FFh

0Eh

01h

AUDIO_INTPUT

(1 byte)

Yes

Audio Input Selected

AUDIO_INPUT Parameter

Value (1 byte)

None

00h

Mono

01h

Stereo

02h