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WM9708 数据表(PDF) 2 Page - Wolfson Microelectronics plc |
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WM9708 数据表(HTML) 2 Page - Wolfson Microelectronics plc |
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2 / 28 page  WM9708 Advanced Information WOLFSON MICROELECTRONICS LTD AI Rev 2.0 April 2001 2 PIN CONFIGURATION ORDERING INFORMATION DEVICE TEMP. RANGE PACKAGE XWM9708CDS 0 to 70 oC 28-pin SSOP 16 15 14 20 19 18 17 5 6 7 1 2 3 4 13 12 11 8 9 10 DVDD CDL MIC1 NC NC VREFOUT LINEOUTR LINEOUTL CAP NC MONOOUT AVDD AGND RESETB LINEINR XTLOUT SDATAOUT XTLIN SYNC AGND SDATAIN DGND VREF BITCLK 21 22 23 24 25 26 27 28 PCBEEP CDGND LINEINL CDR PIN DESCRIPTION PIN NAME TYPE DESCRIPTION 1 NC No internal connection 2 NC No internal connection 3 DVDD Supply Digital positive supply 4 XTLIN Digital input Clock crystal connection or clock input (XTAL not used) 5 XTLOUT Digital output Clock crystal connection 6 SDATAOUT Digital input Serial data input 7 BITCLK Digital output Serial interface clock output to AC’97 controller 8 DGND Supply Digital ground supply 9 SDATAIN Digital output Serial data output to AC’97 controller 10 SYNC Digital input Serial interface sync pulse from AC’97 controller 11 RESETB Digital input NOT reset input (active low, resets registers) 12 PCBEEP Analogue input Mixer input, typically for PCBEEP signal 13 CDL Analogue input Mixer input, typically for CD signal 14 CDGND Analogue input CD input common mode reference (ground) 15 CDR Analogue input Mixer input, typically for CD signal 16 MIC1 Analogue input Mixer input with extra gain if required 17 LINEINL Analogue input Mixer input, typically for LINE signal 18 LINEINR Analogue input Mixer input, typically for LINE signal 19 AGND Supply Analogue ground supply, chip substrate 20 VREF Analogue output Buffered CAP, used as MIXER reference 21 VREFOUT Analogue output Reference for microphones; buffered CAP 22 CAP Analogue input Reference input/output; pulls to midrail if not driven 23 NC No internal connection 24 LINEOUTL Analogue output Main analogue output for left channel 25 LINEOUTR Analogue output Main analogue output for right channel 26 MONOOUT Analogue output Main mono output 27 AVDD Supply Analogue positive supply 28 AGND Supply Analogue ground supply, chip substrate |
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