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參數(shù)資料
| 型號： | WM8768 |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | 24-bit, 192kHz 8-Channel DAC |
| 中文描述： | 24位，192kHz的8通道DAC |
| 文件頁數(shù)： | 30/38頁 |
| 文件大小： | 393K |
| 代理商： | WM8768 |
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WM8768
Production Data
w
PD Rev 4.1 March 2005
30
MASTER MODE SELECT
Control bit MS selects between audio interface Master and Slave Modes. In Master mode LRCLK
and BCLK are outputs and are generated by the WM8768. In Slave mode LRCLK and BCLK are
inputs to WM8768.
REGISTER ADDRESS
0001010
Interface Control
BIT
5
LABEL
MS
DEFAULT
0
DESCRIPTION
Audio Interface Master/Slave Mode
select:
0: Slave Mode
1: Master Mode
MASTER MODE LRCLK FREQUENCY SELECT
In Master mode the WM8768 generates LRC and BCLK. These clocks are derived from the master
clock and the ratio of MCLK to LRCK is set by RATE.
REGISTER ADDRESS
0001010
Interface Control
BIT
8:6
LABEL
RATE[2:0]
DEFAULT
010
DESCRIPTION
Master Mode MCLK: LRCLK ratio
select:
000: 128fs
001: 192fs
010: 256fs
011: 384fs
100: 512fs
101: 768fs
MUTE PIN DECODE
The MUTE pin can either be used as an output or an input. When used as an input the MUTE pins
action can be controlled by setting the DZFM and DZFM4 bit to select the corresponding DAC for
applying the MUTE to. As an output its meaning is selected by the DZFM and DZFM4 control bits. By
default selecting the MUTE pin to represent if DAC1 has received more than 1024 midrail samples
will cause the MUTE pin to assert a softmute on DAC1. Disabling the decode block will cause any
logical high on the MUTE pin to apply a softmute to all DAC’s. For compatibility with the WM8772
register the MUTE pin decode bit is also found in the ADC control register, which is redundant on this
chip. The OR of these two register bit is taken internally.
REGISTER ADDRESS
0001100
ADC Control
BIT
6
LABEL
MPD
DEFAULT
0
DESCRIPTION
MUTE pin decode disable:
0: MUTE pin decode enable
1: MUTE pin decode disable
MUTE pin decode disable:
0: MUTE pin decode enable
1: MUTE pin decode disable
0001111
DAC4 control
5
MPD
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WM8768_10 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz 8-Channel DAC |
| WM8768-6118-DS28-M-S | 制造商:Wolfson Microelectronics 功能描述:Development Tool for 24 Bit 8 Channel DAC |
| WM8768EDS | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz 8-Channel DAC |
| WM8768EDS/R | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz 8-Channel DAC |
| WM8768GEDS | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz 8-Channel DAC |
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