參數(shù)資料
型號: UDA1345
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Economy audio CODEC
中文描述: 經(jīng)濟音頻CODEC
文件頁數(shù): 15/28頁
文件大小: 126K
代理商: UDA1345
2000 Apr 18
15
Philips Semiconductors
Preliminary specification
Economy audio CODEC
UDA1345TS
Table 15
System clock frequency settings
Data input format
A 3-bit value (IF2 to IF0) to select the used data format
(see Table 16).
Table 16
Data input format settings
DC filter
A 1-bit value to enable the digital DC filter (see Table 17).
Table 17
DC filtering
Volume control
A 6-bit value to program the left and right channel volume
attenuation (VC5 to VC0). The range is 0 dB to
dB in
steps of 1 dB (see Table 18).
Table 18
Volume settings
De-emphasis
A 2-bit value to enable the digital de-emphasis filter.
Table 19
De-emphasis settings
Mute
A 1-bit value to enable the digital DAC mute (playback).
Table 20
DAC mute
SC1
SC0
FUNCTION
0
0
1
1
0
1
0
1
512f
s
384f
s
256f
s
not used
IF2
IF1
IF0
FUNCTION
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
I
2
S-bus
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
1
1
0
1
1
1
DC
FUNCTION
0
1
no DC filtering
DC filtering
VC5
VC4
VC3
VC2
VC1
VC0
VOLUME (dB)
0
0
0
0
:
1
1
1
1
1
1
1
:
1
0
0
0
0
:
1
1
1
1
1
1
1
:
1
0
0
0
0
:
0
0
0
0
0
1
1
:
1
0
0
0
0
:
0
1
0
0
1
0
0
:
1
0
0
1
1
:
1
0
0
1
1
0
0
:
1
0
1
0
1
:
1
0
1
0
1
0
1
:
1
0
0
1
2
:
50
52
54
57
60
66
:
DE1
DE0
FUNCTION
0
0
1
1
0
1
0
1
no de-emphasis
de-emphasis; 32 kHz
de-emphasis; 44.1 kHz
de-emphasis; 48 kHz
MT
FUNCTION
0
1
no muting
muting
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UDA1345TS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy audio CODEC
UDA1345TS/N2 制造商:NXP Semiconductors 功能描述:IC CODEC AUDIO 28-SSOP 制造商:NXP Semiconductors 功能描述:IC, CODEC, AUDIO, 28-SSOP
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UDA1345TS/N2118 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: