Datasheet

4341H–MP3–10/07

AT8xC51SND2C/MP3B

The selection between modes is done using DINTSEL 1:0 in DAC_MISC register (refer to Table

15-22.) according to Table 15-9.

Table 15-9. Format Selection

15.1.9 De-emphasis and dither enable

The circuit features a de-emphasis filter for the playback channel. To enable the de-emphasis fil-

tering, DEEMPEN must be set to high.

Likewise, the dither option (added in the playback channel) is enabled by setting the DITHEN

signal to High.

Table 15-10. DAC Auxlilary Input Gain

DINTSEL 1:0 Format

00 I2S Justified

01 MSB Justified

1x LSB Justified

AUXG 4:0 Gain (dB)

00000 20

00001 12

00010 9

00011 6

00100 3

00101 0

00110 -3

00111 -6

01000 -9

01001 -12

01010 -15

01011 -18

01100 -21

01101 -24

01110 -27

01111 -30

10000 -33

10001 <-60