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WM9711 Datasheet(PDF) 5 Page - Wolfson Microelectronics plc |
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WM9711 Datasheet(HTML) 5 Page - Wolfson Microelectronics plc |
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5 / 66 page  Production Data WM9711L w PD Rev 4.1 April 2004 5 PIN DESCRIPTION PIN NAME TYPE DESCRIPTION 1 DBVDD Supply Digital I/O Buffer Supply 2 XTLIN Digital Input Clock Crystal Connection 1 / External Clock Input 3 XTLOUT Digital Output Clock Crystal Connection 2 4 DGND1 Supply Digital Ground (return path for both DCVDD and DBVDD) 5 SDATAOUT Digital Input Serial Data Output from Controller / Input to WM9711L 6 BITCLK Digital Output Serial Interface Clock Output to Controller 7 DGND2 Supply Digital Ground (return path for both DCVDD and DBVDD) 8 SDATAIN Digital Output Serial Data Input to Controller / Output from WM9711L 9 DCVDD Supply Digital Core Supply 10 SYNC Digital Input Serial Interface Synchronisation Pulse from Controller 11 RESETB Digital Input Reset (Active Low, resets all registers to their default) 12 CREF Analogue Input Reference for analogue comparators (COMP1,2,3) 13 AVDD2 Supply Connect to AVDD 14 NC No Connect Leave this pin floating 15 NC No Connect Leave this pin floating 16 NC No Connect Leave this pin floating 17 NC No Connect Leave this pin floating 18 AGND1 Supply Connect to AGND 19 PCBEEP Analogue Input Line Input to analogue audio mixers, typically used for beeps 20 PHONE Analogue Input Phone Input (RX) 21 MIC1 Analogue Input Left Microphone Input 22 MIC2 Analogue Input Right Microphone Input 23 LINEINL Analogue Input Left Line Input 24 LINEINR Analogue Input Right Line Input 25 AVDD Supply Analogue Supply (feeds audio DACs, ADCs, PGAs, mic boost, mixers) 26 AGND Supply Analogue Ground 27 VREF Analogue Output Internal Reference Voltage (buffered CAP2) 28 MICBIAS Analogue Output Bias Voltage for Microphones (buffered CAP2 × 1.8) 29 COMP1 Analogue Input Comparator Input 1 30 COMP2 Analogue Input Comparator Input 2 31 COMP3 Analogue Input Comparator Input 3 32 CAP2 Analogue In / Out Internal Reference Voltage (normally AVDD/2, if not overdriven) 33 MONOOUT Analogue Output Mono Output, intended for Phone TX signal 34 SPKGND Supply Speaker Ground (feeds output buffers on pins 35 and 36) 35 LOUT2 Analogue Output Left Output 2 (Speaker, Line or Headphone) 36 ROUT2 Analogue Output Right Output 2 (Speaker, Line or Headphone) 37 OUT3 Analogue Output Analogue Output 3 (from AUXDAC or headphone pseudo-ground) 38 SPKVDD Supply Speaker Supply (feeds output buffers on pins 35 and 36) 39 HPOUTL Analogue Output Headphone Left Output 40 HPGND Supply Headphone Ground (feeds output buffers on pins 37, 39, 41) 41 HPOUTR Analogue Output Headphone Left Output 42 AGND2 Supply Chip Substrate, connect to AGND 43 HPVDD Digital In / Out Headphone Supply (feeds output buffers on pins 37, 39, 41) 44 GPIO1 Digital In / Out GPIO Pin 1 45 GPIO2 / IRQ Digital In / Out GPIO Pin 2 or IRQ (Interrupt Request) Output 46 GPIO3 Digital In / Out GPIO Pin 3 47 GPIO4 Digital In / Out GPIO Pin 4 (On reset, pin level configures device power up status. See Applications section for external components configuration) 48 GPIO5 / SPDIF_OUT Digital In / Out GPIO Pin 5 or SPDIF Digital Audio Output |
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