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NXP Semiconductors

Product specification

Economy audio CODEC for MiniDisc (MD) home stereo and portable applications

UDA1341TS

0

0

VC5

VC4

VC3

VC2

VC1

VC0

VC = volume control (6 bits)

0

1

BB3

BB2

BB1

BB0

TR1

TR0

BB = bass boost (4 bits)

1

1

0

0

0

EA2

EA1

EA0

EA = extended address (3 bits)

1

1

1

ED4

ED3

ED2

ED1

ED0

ED = extended data (5 bits)

REGISTER SELECTED

1

7.21.2

DATA0 DIRECT CONTROL

Table 17 Data transfer of type ‘DATA0’

BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1

BIT 0

0

PP

DE1

DE0

MT

M1

M0

TR = treble (2 bits) PP = peak detection position DE = de-emphasis (2 bits) MT = mute M = mode switch (2 bits)

0

0

0

0

0

1

0

0

0

0

0

0

0

0

0

0

0

0

1

0

1

0

0

0

1

0

2

2

0

0

0

0

1

1

2

0

0

1

0

0

4

4

:

:

:

:

:

:

:

0

0

1

1

0

6

6

1

1

1

0

1

1

58

0

1

0

0

0

8

8

1

1

1

1

0

0

59

0

1

0

1

0

10

10

1

1

1

1

0

1

60

0

1

1

0

0

12

12

1

1

1

1

1

0

−∞

0

1

1

1

0

14

14

1

1

1

1

1

1

−∞

1

0

0

0

0

16

16

1

0

0

1

0

18

18

1

0

1

0

0

18

20

1

0

1

1

0

18

22

1

1

0

0

0

18

24

1

1

0

1

0

18

24

1

1

1

0

0

18

24

A 6-bit value to program the left and right channel volume attenuation. The range is from 0 to −∞ dB in steps of 1 dB. The default setting is given in Table 5.

A 4-bit value to program the bass boost settings. The used set depends on the mode bits. The default setting is given in Table 5.

Table 19 Bass boost settings

VC0

VOLUME

(dB)

0

0

7.21.2.1

Volume control

7.21.2.2

Bass boost

Table 18 Volume settings

BB3 BB2

BB1

BB0

FLAT

MIN.

MAX.

(dB)

(dB)

(dB)

VC5 VC4 VC3 VC2

VC1

  • 0

    0

0

  • 0

    0

BASS BOOST

2002 May 16

17

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