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| 型號： | PCM1792A |
| 英文描述： | 24-bit,192-khz sampling,advanced segment, audio stereo digital-to-analog converter |
| 中文描述： | 24位,192 - kHz的采樣，先進(jìn)的部分，立體聲音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 26/59頁 |
| 文件大?。?/td> | 500K |
| 代理商： | PCM1792A |
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SLES105B FEBRUARY 2004 REVISED NOVEMBER 2006
www.ti.com
26
MODE CONTROL REGISTERS
User-Programmable Mode Controls
The PCM1792A includes a number of user-programmable functions which are accessed via mode control registers. The
registers are programmed using the serial control interface, which was previously discussed in this data sheet. Table 3 lists
the available mode-control functions, along with their default reset conditions and associated register index.
Table 3. User-Programmable Function Controls
FUNCTION
DEFAULT
REGISTER
BIT
PCM
DSD
DF
BYPASS
Digital attenuation control
0 dB to –120 dB and mute, 0.5 dB/step
Attenuation load control
Disabled, enabled
0 dB
Register 16
Register 17
Register 18
ATL[7:0] (for L-ch)
ATR[7:0] (for R-ch)
ATLD
yes
Attenuation disabled
yes
Input audio data format selection
16-, 20-, 24-bit standard (right-justified) format
24-bit MSB-first left-justified format
16-/24-bit I2S format
Sampling rate selection for de-emphasis
Disabled, 44.1 kHz, 48 kHz, 32 kHz
24-bit I2S format
Register 18
FMT[2:0]
yes
yes
De-emphasis disabled
Register 18
DMF[1:0]
yes
yes(1)
De-emphasis control
Disabled, enabled
De-emphasis disabled
Register 18
DME
yes
Soft mute control
Mute disabled, enabled
Output phase reversal
Normal, reverse
Mute disabled
Register 18
MUTE
yes
Normal
Register 19
REV
yes
yes
yes
Attenuation speed selection
×
1 fS,
×
(1/2) fS,
×
(1/4) fS,
×
(1/8) fS
DAC operation control
Enabled, disabled
×
1 fS
Register 19
ATS[1:0]
yes
DAC operation enabled
Register 19
OPE
yes
yes
yes
Stereo DF bypass mode select
Monaural, stereo
Digital filter rolloff selection
Sharp rolloff, slow rolloff
Monaural
Register 19
DFMS
yes
Sharp rolloff
Register 19
FLT
yes
Infinite zero mute control
Disabled, enabled
System reset control
Reset operation, normal operation
Disabled
Register 19
INZD
yes
yes
Normal operation
Register 20
SRST
yes
yes
yes
DSD interface mode control
DSD enabled, disabled
Digital-filter bypass control
DF enabled, DF bypass
Disabled
Register 20
DSD
yes
yes
DF enabled
Register 20
DFTH
yes
yes
Monaural mode selection
Stereo, monaural
Stereo
Register 20
MONO
yes
yes
yes
Channel selection for monaural mode data
L-channel, R-channel
Delta-sigma oversampling rate selection
×
64 fS,
×
128 fS,
×
32 fS
PCM zero output enable
DSD zero output enable
Function available only for read
Zero detection flag
Not zero, zero detected
L-channel
Register 20
CHSL
yes
yes
yes
×
64 fS
Register 20
OS[1:0]
yes
yes(2)
yes
Enabled
Disabled
Register 21
Register 21
PCMZ
DZ[1:0]
yes
yes
yes
Not zero = 0
Zero detected = 1
Register 22
ZFGL (for L-ch)
ZFGR (for R-ch)
yes
yes
yes
Device ID (at TDMCA)
(1)When in DSD mode, DMF[1:0] is defined as DSD filter (analog FIR) performance selection.
(2)When in DSD mode, OS[1:0] is defined as DSD filter (analog FIR) operation rate selection.
—
Register 23
ID[4:0]
yes
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相關(guān)代理商/技術(shù)參數(shù) |
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| PCM1792ADB | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng AdvSegment Ster DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1792ADB | 制造商:Texas Instruments 功能描述:D/A CONVERTER (D-A) IC |
| PCM1792ADBG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24B 192kHz Sampling Adv Seg Aud St DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1792ADBR | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng AdvSegment Ster DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1792ADBRG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24B 192kHz Sampling Adv Seg Aud St DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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