參數(shù)資料
型號(hào)： WM8756EFT
廠商： Wolfson Microelectronics
英文描述： 192KHZ SIX CHANNEL SACD COMPATIBLE AUDIO DAC
中文描述： 192kHz的六聲道SACD的兼容的音頻數(shù)模轉(zhuǎn)換器
文件頁數(shù)： 17/39頁
文件大?。?/td> 330K
代理商： WM8756EFT
WM8756
Advance Information
AI Rev 1.3 October 2001
17
MODES OF OPERATION
Control of the various modes of operation for the WM8756 is either by software control over the serial interface, or by hard-
wired pin control. Selection of software or hardware mode is via the MODE pin. The following functions may be controlled
either via the serial control interface or by hard wiring of the appropriate pins.
Note :
In DSD mode, the control interface is available but none of the functions will have any effect except the PDWN bit
because the DSD data by-passes the majority of the signal processing.
FUNCTION
OPTIONS
SOFTWARE CONTROL
DEFAULT VALUE
PIN 11: MODE = 0
HARDWARE CONTROL
BEHAVIOUR
PIN 11: MODE = 1
Input audio data format
Right justified
Left justified
I
2
S format
DSP formats
16
20
24
32
On
Off
FMT = 00 (default)
FMT = 01
FMT = 10
FMT = 11
IWL[1:0] = 00
IWL[1:0] = 01
IWL[1:0] = 10 (default)
IWL[1:0] = 11
DEEMPH = 1
DEEMPH = 0 (Default)
Pin 16, 17: ML/I2S, MC/IWL = 00, 01 or 10
Not available in hardware mode
Pin 16, 17: ML/I2S, MC/IWL = 11
Not available in hardware mode
Pin 16, 17: ML/I2S, MC/IWL = 00 (RJ)
Pin 16, 17: ML/I2S, MC/IWL = 01 (RJ)
Pin 16, 17: ML/I2S, MC/IWL = 10 (RJ)
Pin 16, 17: ML/I2S, MC/IWL = 11 (I
2
S)
Pin 18: MD/DM = 1
Pin 18: MD/DM = 0
Input word length
De-emphasis selection
Mute
On
Off
MUTE = 1
MUTE = 0 (default)
Pin 12: MUTE = 1
Pin 12: MUTE = 0
Input LRCIN polarity
Normal
Inverted
LRP = 0 (default)
LRP = 1
Not available in hardware mode,
default value set
Volume control
Lch, Rch
individually
Lch, Rch
common
On
Off
ATC = 0; 0dB (default)
ATC = 1
Not available in hardware mode,
gain defaults to 0dB
Infinite zero detect
IZD = 1
IZD = 0 (default)
Automute function controlled from MUTE pin
low = never mute
floating = automute enable
high = mute
Run SCKI
Stop SCKI
Power down
Chip on
Chip off
PDWN = 0 (default)
PDWN = 1
DAC output control
See Table 13
for all options
Default is PL[3:0] = 1001, stereo mode
Not available in hardware mode
Table 12 Control Function Summary
相關(guān)PDF資料
PDF描述
WM8756 192KHZ SIX CHANNEL SACD COMPATIBLE AUDIO DAC
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WM8758BGEFL/V 功能描述:接口—CODEC Stereo CODEC plus PCM CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
WM8758BLGEFL/RV 功能描述:接口—CODEC Stereo CODEC Plus PCM CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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