參數(shù)資料
型號(hào): DSD1793DBR
元件分類: DAC
英文描述: 24 BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
中文描述: 24位192千赫采樣高級(jí)分段音頻立體聲數(shù)模轉(zhuǎn)換器
文件頁數(shù): 29/47頁
文件大小: 428K
代理商: DSD1793DBR
DSD1793
SLES075A MARCH 2003 REVISED JANUARY 2004
www.ti.com
35
Pin Assignments When Using the External Digital Filter Interface
D PLRCK (pin 1): WDCK as word clock input
D PBCK (pin 2): BCK as bit clock for audio data
D PDATA (pin 3): DATA as monaural audio data input when the DFMS bit is not set to 1
D DSDL (pin 25): DATAL as L-channel audio data input when the DFMS bit is set to 1
D DSDR (pin 24): DATAR as R-channel audio data input when the DFMS bit is set to 1
Audio Format
The DSD1793 in the external digital filter interface mode supports right-justified audio formats including 16-bit, 20-bit,
and 24-bit audio data, as shown in Figure 35. The audio format is selected by the FMT[2:0] bits of control register 18.
MSB
LSB
16
BCK
DATA
DATAL
DATAR
1/4 fS or 1/8 fS
WDCK
Audio Data Word = 16-Bit
Audio Data Word = 20-Bit
Audio Data Word = 24-Bit
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
16
15
MSB
LSB
16
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
20
19
20
17 18 19
MSB
LSB
16
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
24
23
20
17 18 19
24
21 22 23
DATA
DATAL
DATAR
DATA
DATAL
DATAR
Figure 35. Audio Data Input Format for External Digital Filter (Internal DF Bypass Mode) Application
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