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CS6422-CSZ 参数 Datasheet PDF下载

CS6422-CSZ图片预览
型号: CS6422-CSZ
PDF下载: 下载PDF文件 查看货源
内容描述: 增强型全双工免提IC [Enhanced Full-Duplex Speakerphone IC]
分类和应用:
文件页数/大小: 48 页 / 875 K
品牌: CIRRUS [ CIRRUS LOGIC ]
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CS6422  
NI - Network Interface Input, Pin 17  
Input to the network side analog-to-digital converter (far-end input/receive input). This input expects a  
single-pole RC anti-aliasing filter with a corner frequency of 8 kHz. Maximum signal level before clipping  
at this point is 0.9 Vrms (2.5 Vpp), assuming default settings for RGain.  
Microcontroller Interface  
RST - Active Low Reset Input, Pin 5  
When RST is held low, the CS6422 is put into a low power mode with all functional blocks idle. When  
RST goes high, the CS6422 is started in a known state.  
DRDY - Active Low Microcontroller Interface Data Ready Input, Pin 6  
DRDY is a low pulse used to gate valid input data into the Microcontroller Interface.  
STROBE - Microcontroller Interface Clock Input, Pin 7  
The rising edge of STROBE latches DATA into the Microcontroller Interface while DRDY is low.  
DATA - Microcontroller Interface Data Input, Pin 8  
DATA is latched into the Microcontroller Interface on the rising edge of STROBE.  
Clock  
CLKI - Clock Oscillator Input, Pin 14  
A 20.480 MHz parallel-resonant crystal should be connected between CLKI and CLKO. Alternatively,  
CLKI may be driven directly with an 20.480 MHz CMOS level clock.  
CLKO - Clock Oscillator Output, Pin 13  
A 20.480 MHz parallel-resonant crystal should be connected between CLKI and CLKO. CLKO must be  
left floating if CLKI is driven directly with a CMOS level clock.  
Power Supply  
AVDD - Analog Supply, Pin 1  
+5 Volt analog power supply.  
AGND - Analog Ground, Pin 2  
Analog ground reference.  
DVDD - Digital Supply, Pin 16  
+5 Volt digital power supply.  
DGND - Digital Ground, Pin 15  
Digital ground reference.  
43  
DS295F1