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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM9712CLGEFL/V датащи(PDF) 69 Page - Wolfson Microelectronics plc |
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WM9712CLGEFL/V датащи(HTML) 69 Page - Wolfson Microelectronics plc |
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69 / 78 page  Production Data WM9712L w PD, Rev 4.6, November 2011 69 Register 58h controls several additional functions. REG ADDR BIT LABEL DEFAULT DESCRIPTION REFER TO 58h 15:13 COMP2DEL 000 (no delay) Selects Comparator 2 delay Battery Alarm 12 JIEN 0 Enables Jack Insert Detection Analogue Audio Outputs, Jack Insertion and Auto-Switching 11 FRC 0 Forces Jack Insert Detection 10 SVD 0 (enabled) Disables VREF for lowest possible power consumption Power Management 3:2 DIE REV Indicates device revision. 00=Rev.A, 01=Rev.B, 10=Rev.C N/A 1 WAKEEN 0 (no wake-up) Enables GPIO wake-up GPIO and Interrupt Control 0 IRQ INV 0 (not inverted) Inverts the IRQ signal (pin 45) Register 5Ch controls several additional functions. REG ADDR BIT LABEL DEFAULT DESCRIPTION REFER TO 5Ch 15 AMUTE 0 Read-only bit to indicate DAC auto-muting Audio DACs, Stereo DACs 14 C1REF 0 (AVDD/2) Selects Comparator 1 Reference Voltage Battery Alarm 13:12 C1SRC 00 (OFF) Selects Comparator 1 Signal Source 11 C2REF 0 (AVDD/2) Selects Comparator 1 Reference Voltage 10:9 C2SRC 00 (OFF) Selects Comparator 1 Signal Source 8 DS 0 Selects differential microphone input pins. 0=MIC1 and MIC2, 1=LINEL and LINER Analogue Inputs, Microphone Input 7 AMEN 0 (OFF) Enables DAC Auto-Mute 6:5 VBIAS 00 Selects analogue bias for lowest power, depending on AVDD supply. 0X=3.3V, 10=2.5V, 11=1.8V Power Management 4 ADCO 0 Selects source of SPDIF data. 0=from SDATAOUT, 1= from audio ADC Digital Audio (SPDIF) Output 3 HPF 0 Disables ADC high-pass filter Audio ADC 2 ENT 0 Enables thermal sensor Analogue Audio Outputs, Thermal Sensor 1:0 ASS 00 Selects time slots for stereo ADC data. 00=slots 3 and 4, 01=7/8, 10=6/9, 11=10/11 Audio ADC, ADC Slot Mapping Registers 60h and 62h control the ALC and Noise Gate functions. REG ADDR BIT LABEL DEFAULT DESCRIPTION REFER TO 60h 15:12 ALCL 1011 (-12dB) Controls ALC threshold Audio ADC, Automatic Level Control 11:8 HLD 0000 (0 ms) Controls ALC hold time 7:4 DCY 0011 (192 ms) Controls ALC decay time 3:0 ATK 0010 (24 ms) Controls ALC attack time 62h 15:14 ALCSEL 00 (OFF) Controls which channel ALC operates on. 00=none, 01=right only, 10=left only, 11=both 13:11 MAXGAIN 111 (+30dB) Controls upper gain limit for ALC 10:9 ZC TIMEOUT 11 (slowest) Controls time-out for zero-cross detection 8 ALCZC 0 (OFF) Enables zero-cross detection for ALC 7 NGAT 0 (OFF) Enables noise gate function 5 NGG 0 (hold gain) Selects noise gate type. 0=hold gain, 1=mute 4:0 NGTH 00000 (-76.5dB) Controls noise gate threshold |
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