Atmel AT83SND2C MP3 Protocol Frame Description, 5.1Player’s Status Description, Section

Section 5

Protocol Frame Description

Note: (*) means the frame is a Player response.

5.1Player’s Status Description

STATUS byte is the reflect in real-time of AT83SND2CMP3‘s system status. This status is a parameter of almost all Player frame.

Table 5-1 .Player STATUS Description

7	6	5		4	3	2	1	0
OPM	ERROR	MERROR		MNF	USB_CON	USB_TRANS	-	FNA
Bit Number	Bit Mnemonic		Description
	OPM		Operating Mode
7			This is bit is set when playing music.
			This bit is cleared when Player is in idle mode (not playing)
	ERROR		Command Error
6			This bit is set when a checksum error occurs with the last
			Remote Controller command.
			This bit is cleared when there is no error with the last frame.
	MERROR		Memory Error
5			This bit is set when selected memory is KO
			This bit is cleared when selected memory is OK.
	MNF		Memory Not Formated
4			This bit is set when selected memory is not formated.
			This bit is cleared when selected memory is OK.
	USB_CON		USB Connection
3			This bit is set when an USB connection occured.
			This bit is cleared when there is no USB connection.

AT83SND2CMP3 User Guide 5-26

7525A–MP3–07/05