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參數資料
型號: LC890561W
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, SQFP-48
文件頁數: 2/47頁
文件大小: 357K
代理商: LC890561W
LC890561W
No8226-10/47
7. System Reset (XMODE)
The system operates normally when XMODE pin is set to high level after 3.0V or higher supply voltage is applied.
After power-on, the system is reset by setting XMODE to low again.
Make sure to reset the system after turning on the power.
Figure 7.1 Reset Timing Chart
8. PLL (LPF)
It has a build-in VCO (Voltage Controlled Oscillator) and synchronizes with sampling frequencies of 32kHz,
44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz and 192kHz.
The lock judgment of PLL is performed by detection of preamble B, M and W.
The lock frequency of PLL is selected by CKSEL0 and CKSEL1. However, only 256fs is selectable on the system
which input sampling frequency is over 96kHz. The proper PLL function to input over 96kHz will not be ensured
when other frequency value is selected.
LPF is pin for loop filter of PLL and connects resistor and capacitor as shown below.
R0
C0
C1
220
0.1
F
0.068
F
Figure 8.1 Configuration of a Loop filter
LPF
R0
C0
C1
XMODE
DVDD
Reset state
System operation
3.0V
t
t > 200
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LC890561W SPECIALTY CONSUMER CIRCUIT, PQFP48
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LC89058W-E SPECIALTY CONSUMER CIRCUIT, PQFP48
相關代理商/技術參數
參數描述
LC890561W-E 功能描述:音頻發送器、接收器、收發器 RoHS:否 制造商:Cirrus Logic 工作電源電壓:3.3 V, 5 V 電源電流:11.8 mA 通道數量:1 最大工作溫度:+ 70 C 接口類型:I2C, SPI 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-28 封裝:
LC89056W-E 功能描述:音頻發送器、接收器、收發器 RoHS:否 制造商:Cirrus Logic 工作電源電壓:3.3 V, 5 V 電源電流:11.8 mA 通道數量:1 最大工作溫度:+ 70 C 接口類型:I2C, SPI 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-28 封裝:
LC89057W-VF4AD-E 制造商:ON Semiconductor 功能描述:
LC89057W-VF4A-E 功能描述:音頻發送器、接收器、收發器 RoHS:否 制造商:Cirrus Logic 工作電源電壓:3.3 V, 5 V 電源電流:11.8 mA 通道數量:1 最大工作溫度:+ 70 C 接口類型:I2C, SPI 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-28 封裝:
LC89057W-VF4A-TBM-E 制造商:ON Semiconductor 功能描述: 制造商:ON Semiconductor 功能描述:AUDIO I/F RECEIVER
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