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WM9707 参数 Datasheet PDF下载

WM9707图片预览
型号: WM9707
PDF下载: 下载PDF文件 查看货源
内容描述: AC97 2.1版音频编解码器SPDIF输出 [AC97 Revision 2.1 Audio Codec with Spdif Output]
分类和应用: 解码器编解码器光电二极管
文件页数/大小: 30 页 / 237 K
品牌: WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
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Advanced Information  
WM9707  
DETAILED TIMING DIAGRAMS  
Test Characteristics:  
AVDD = 5V, GND = 0V …………..TA = 0oC to +70oC, unless otherwise stated.  
DVDD = 3.3V, GND = 0V …………..TA = 0oC to +70oC, unless otherwise stated.  
All measurements are taken at 10% to 90% VDD, unless otherwise stated. All  
the following timing information is guaranteed, not tested.  
AC-LINK LOW POWER MODE  
SLOT 1 SLOT 2  
SYNC  
BIT_CLK  
WRITE  
DONT  
CARE  
DATA PR4  
TO 0X20  
SDATA_OUT  
SDATA_IN  
tS2_PDOWN  
Figure 1 AC-Link Powerdown Timing  
PARAMETER  
SYMBOL  
MIN  
TYP  
MAX  
UNIT  
End of slot 2 to BITCLK SDATIN  
low  
tS2_PDOWN  
1.0  
µs  
COLD RESET  
tRST_LOW  
tRST2CLK  
RESETB  
BIT_CLK  
Figure 2 Cold Reset Timing  
PARAMETER  
SYMBOL  
tRST_LOW  
tRST2_CLK  
MIN  
1.0  
TYP  
MAX  
UNIT  
µs  
RESETB active low pulse width  
RESETB inactive to BIT_CLK  
startup delay  
162.8  
ns  
WOLFSON MICROELECTRONICS LTD  
AI Rev 2.2 January 2001  
7