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WM9701A 数据表(PDF) 8 Page - Wolfson Microelectronics plc |
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WM9701A 数据表(HTML) 8 Page - Wolfson Microelectronics plc |
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8 / 24 page  WM9701A Production Data WOLFSON MICROELECTRONICS LTD. PD Rev 3.2 January 2001 8 PIN DESCRIPTION PIN NAME TYPE DESCRIPTION 1 DVDD1 Supply Digital positive supply 2 XTLIN Digital input Clock crystal connection or clock input (XTAL not used) 3 XTLOUT Digital output Clock crystal connection 4 DVSS1 Supply Digital ground supply 5 SDATAOUT Digital input Serial data input 6 BITCLK Digital output Serial interface clock output to AC’97 controller 7 DVSS2 Supply Digital ground supply 8 SDATAIN Digital output Serial data output to AC’97 controller 9 DVDD2 Supply Digital positive supply 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 PHONE Analogue input Mixer input, typically for PHONE signal 14 AUXL Analogue input Mixer input, typically for AUX signal 15 AUXR Analogue input Mixer input, typically for AUX signal 16 VIDEOL Analogue input Mixer input, typically for VIDEO signal 17 VIDEOR Analogue input Mixer input, typically for VIDEO signal 18 CDL Analogue input Mixer input, typically for CD signal 19 CDGND Analogue input CD input common mode reference (ground) 20 CDR Analogue input Mixer input, typically for CD signal 21 MIC1 Analogue input Mixer input with extra gain if required 22 MIC2 Analogue input Mixer input with extra gain if required 23 LINEINL Analogue input Mixer input, typically for LINE signal 24 LINEINR Analogue input Mixer input, typically for LINE signal 25 AVDD1 Supply Analogue positive supply 26 AVSS1 Supply Analogue ground supply, chip substrate 27 VREF Analogue output Buffered CAP2, used as MIXER reference 28 VREFOUT Analogue output Reference for microphones; buffered CAP2 29 NC No internal connection 30 NC No internal connection 31 NC No internal connection 32 CAP2 Analogue input Reference input/output; pulls to midrail if not driven 33 NC No internal connection 34 NC No internal connection 35 LINEOUTL Analogue output Main analogue output for left channel 36 LINEOUTR Analogue output Main analogue output for right channel 37 MONOOUT Analogue output Main mono output 38 AVDD2 Supply Analogue positive supply 39 NC No internal connection 40 NC No internal connection 41 NC No internal connection 42 AVSS2 Supply Analogue ground supply, chip substrate 43 NC No internal connection 44 NC No internal connection 45 NC No internal connection 46 NC No internal connection 47 NC No internal connection 48 NC No internal connection |
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