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WM9704CFT/V Datasheet(PDF) 6 Page - Wolfson Microelectronics plc |
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WM9704CFT/V Datasheet(HTML) 6 Page - Wolfson Microelectronics plc |
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6 / 37 page  WM9704M Production Data WOLFSON MICROELECTRONICS LTD PD Rev 3.2 January 2001 6 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 (master) Digital input (slave) Serial interface clock output to AC’97 controller or input from AC’97 master codec 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(1) Analogue output Buffered CAP2 28 VREFOUT Analogue output Reference for microphones; buffered CAP2 29 AFILT1(1) Analogue output Buffered CAP2 30 MODE0 Digital input 6 channel support I 2S enable 31 CAP1(1) Analogue output Buffered CAP2 32 CAP2 Analogue input Reference input/output; pulls to midrail if not driven 33 CX3D1 Analogue output Output pin for 3D difference signal 34 CX3D2 Analogue input Input pin for 3D difference signal 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 LNLVLOUTL Analogue output Left channel line level output 40 MODE1 Digital input Mode select pin, internal pull down 41 LNLVLOUTR Analogue output Right channel line level output 42 AVSS2 Supply Analogue ground supply, chip substrate 43 GPIO1 Programmable I/O GPIO or I 2S 44 GPIO2 Programmable I/O GPIO or I 2S 45 CID0 Digital input Master/slave ID select (internal pull-up) 46 CID1 Digital input Master/slave ID select (internal pull-up) 47 EAPD Digital output External amplifier power down/GPO 48 GPIO3 Programmable I/O GPIO Note: 1. Pins 27, 29 and 31 have an internal connection. |
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