uda1345ts-n2 NXP Semiconductors, uda1345ts-n2 Datasheet - Page 16

• Manufacturer Part Number: uda1345ts-n2
• Description: Economy Audio Codec
• Manufacturer: NXP Semiconductors

Philips Semiconductors
7.12.2.2
A 2-bit value (SC1 and SC0) to select the used external
clock frequency (see Table 15).
Table 15 System clock frequency settings
7.12.2.3
A 3-bit value (IF2 to IF0) to select the used data format
(see Table 16).
Table 16 Data input format settings
7.12.2.4
A 1-bit value to enable the digital DC filter (see Table 17).
Table 17 DC filtering
7.12.2.5
A 6-bit value to program the left and right channel volume
attenuation (VC5 to VC0). The range is 0 dB to
steps of 1 dB (see Table 18).
2002 May 28
Economy audio CODEC
IF2
0
0
0
0
1
1
1
1
SC1
0
0
1
1
System clock frequency
Data input format
DC filter
Volume control
IF1
DC
0
0
1
1
0
0
1
1
0
1
SC0
0
1
0
1
IF0
0
1
0
1
0
1
0
1
I
LSB-justified; 16 bits
LSB-justified; 18 bits
LSB-justified; 20 bits
MSB-justified
MSB-justified output/
LSB-justified 16 bits input
MSB-justified output/
LSB-justified 18 bits input
MSB-justified output/
LSB-justified 20 bits input
no DC filtering
DC filtering
2
S-bus
FUNCTION
FUNCTION
FUNCTION
not used
512f
384f
256f
s
s
s
dB in
16
Table 18 Volume settings
7.12.2.6
A 2-bit value to enable the digital de-emphasis filter.
Table 19 De-emphasis settings
7.12.2.7
A 1-bit value to enable the digital DAC mute (playback).
Table 20 DAC mute
VC5 VC4 VC3 VC2 VC1 VC0
0
0
0
0
1
1
1
1
1
1
1
1
:
:
DE1
0
0
1
1
0
0
0
0
1
1
1
1
1
1
1
1
:
:
De-emphasis
Mute
MT
0
1
0
0
0
0
0
0
0
0
0
1
1
1
:
:
DE0
0
1
0
1
0
0
0
0
0
1
0
0
1
0
0
1
:
:
no de-emphasis
de-emphasis; 32 kHz
de-emphasis; 44.1 kHz
de-emphasis; 48 kHz
0
0
1
1
1
0
0
1
1
0
0
1
:
:
0
1
0
1
1
0
1
0
1
0
1
1
:
:
FUNCTION
FUNCTION
UDA1345TS
Product specification
no muting
muting
VOLUME (dB)
0
0
50
52
54
57
60
66
:
:
1
2