參數(shù)資料
型號(hào)： WM8716EDS
廠商： Wolfson Microelectronics
英文描述： High Performance 24-bit, 192kHz Stereo DAC
中文描述： 高性能24位，192kHz的立體聲DAC
文件頁數(shù)： 11/21頁
文件大?。?/td> 351K
代理商： WM8716EDS
Production Data
WM8716
WOLFSON MICROELECTRONICS LTD
PD Rev 3.1 April 2001
11
ML/I2S (PIN 28)
MC/DM1 (PIN 27)
MD/DM0 (PIN 26)
B15
B14
B13
B2
B1
B0
Figure 6 Three-Wire Serial Interface
REGISTER MAP
WM8716 controls the special functions using 4 program registers, which are 16-bits long. These
registers are all loaded through input pin MD/DM0. After the 16 data bits are clocked in, ML/I2S is
used to latch in the data to the appropriate register. Table 5 shows the complete mapping of the
4 registers. Note that in hardware differential mode and 8X modes, software control is not available.
The hardware differential mode (Diff[1:0]) clock loss detector disable (CDD) can only be accessed by
writing to M2[8:5] with the pattern 1111. Register M4 is then accessible by setting A[2:0] to 110.
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
M0
-
-
-
-
A2 (0) A1(0)
A0(0)
LDL
AL7
AL6
AL5
AL4
AL3
AL2
AL1
AL0
M1
-
-
-
-
A2(0)
A1(0)
A0(1)
LDR
AR7
AR6
AR5
AR4
AR3
AR2
AR1
AR0
M2
-
-
-
-
A2(0)
A1(1)
A0(0)
-
-
-
-
IW1
IW0
OPE
DEM
MUT
M3
-
-
-
-
A2(0)
A1(1)
A0(1)
IZD
SF1
SF0
CK0
REV
SR0
ATC
LRP
I
2
S
M4
-
-
-
-
A2(1)
A1(1)
A0(0)
-
-
CDD
DIFF1 DIFF0
-
-
-
-
Table 5 Mapping of Program Registers
REGISTER
0
BITS
[7:0]
8
[7:0]
8
0
1
2
[4:3]
0
1
2
3
4
5
[7:6]
8
[5:4]
6
NAME
AL[7:0]
LDL
AR[7:0]
LDR
MUT
DEM
OPE
IW[1:0]
I2S
LRP
ATC
SR0
REV
CKO
SF[1:0]
IZD
DIFF
CDD
FF
0
FF
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
DESCRIPTION
Attenuation data for left channel.
Attenuation data load control for left channel.
Attenuation data for right channel.
Attenuation data load control for right channel.
Left and right DACs soft mute control.
De-emphasis control.
Left and right DACs operation control.
Input audio data bit select.
Audio data format select.
Polarity of LRCIN select.
Attenuator control.
Digital filter slow roll-off select.
Output phase reverse.
CLKO frequency select.
Sampling rate select.
Infinite zero detection circuit control.
Differential output mode.
Clock loss detector disable.
1
2
3
4
Table 6 Register Bit Descriptions
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參數(shù)描述
WM8716SEDS 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC (OSC) 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
WM8716SEDS/R 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC (OSC) 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
WM8716SEDS/RV 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC (OSC) 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
WM8716SEDS/V 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC (OSC) 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
WM8718 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24 BIT DIFFERENTIAL STEREO DAC WITH VOLUME CONTROL
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