STA016 datasheet(28/43 Pages) STMICROELECTRONICS

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STA016A

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6.9.19 CD_TRACK_FORMAT :

Address : 0xAA (170)

Type : RO - AEC

Software Reset : 0

Description :

This register specifies the format of the played track

considering the extension name. Only 1 bit can be set

in the same time

Table 28. :

6.9.20 NB_OF_SUBDIR :

Address : 0xAB (171)

Type : RO - AEC

Software Reset : 0

Description :

This register specifies the number of sub-directory in

the current directory.

6.9.21 NB_OF_SUB_TRACK :

Address : 0xAC (172)

Type : RO - AEC

Software Reset : 0

Description :

This register specifies the number of file in the current

directory.

6.9.22 DIRECTORY_LEVEL :

Address : 0xAD (173)

Type : RO - AEC

Software Reset : 0

Description :

This register specifies the current directory level.

6.9.23 DIR_IDENTIFIER_Bn :

Address : 0xAE (174) to 0xB1 (177)

Type : RO - AEC

Software Reset : 0

Description :

This register specifies the nth byte of the number of

byte of the current directory. Considering that two di-

rectories have very few chance to have exactly the

same number of byte, this number allows to identify

the directory. The first byte (174) is the MSB and the

last one (177) is the LSB.

6.9.24 VOL_IDENTIFIER_Bn:

Address : 0xB2 (178) to 0xB5 (181)

Type : RO - AEC

Software Reset : 0

Description :

This register specifies the nth byte of the number of

byte of the CD. Considering that two CD have very

few chance to have exactly the same number of byte,

this number allows to identify the CD. The first byte

(178) is the MSB and the last one (181) is the LSB.

Bit

FORMAT

0 : UNKNOWN

1 : MP3

1: RESERVED

2MPEG1

3MPEG2

4MPG

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