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參數(shù)資料
| 型號： | XWM8740EDS |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | 24-bit, High Performance 192kHz Stereo DAC |
| 中文描述： | 24位高性能192kHz的立體聲DAC |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 344K |
| 代理商： | XWM8740EDS |
Advanced Information
WM8740
WOLFSON MICROELECTRONICS LTD
AI Rev 1.7 July 2000
15
ANRES is the reset to the switched capacitor filter.
ANMUTE is an analogue muting signal gating the analogue signal at the output (after
the SC filter)
AUTOMUTE is asserted when both the IZD register bit is asserted and the input audio
data has been zero on both left and right channels for 1024 input samples. The first
non-zero sample de-asserts.
Applying a logic low to MUTEB or setting MUT in Reg2 causes the gain registers to
ramp to zero. When a logic high is applied, the gain ramps slowly back up to the value
held in the appropriate attenuation register (AL or AR). The ramp rate = 128/fs s/0.5dB
step.
If SOFTMUTE is set or
MUTEB=0 then GAINL and
GAINR are overridden to 00
MUTEB
GAINL[0:7]
GAINR[0:7]
ANMUTE
SOFTMUTE
gain ramps between
previous and new gain
setting
Signal
Processing
IZD
ZERO
OPE
FREQ_INVALID
INIT
Automute:
Detect 1024
zero input
samples
Figure 7 Mute Modes
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| XWM8816GEDW/V | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Stereo Digital Volume Control |
| XWM-9312-1600 | 制造商:Belden Inc 功能描述:FAN ASSEMBLY (2-4" DIAMETER |
| XWM9705EFL/RV | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Multimedia AC97 CODEC with Integrated Touch Screen Controller |
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