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AD1986AJCPZ Fiches technique(PDF) 11 Page - Analog Devices |
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AD1986AJCPZ Fiches technique(HTML) 11 Page - Analog Devices |
11 / 56 page AD1986A Rev. 0 | Page 11 of 56 Table 19. Analog Input/Output Mnemonic Pin Number Input/ Ouput Description PCBEEP 12 I Analog PC Beep Input. Routed to all output capable pins when RESET is asserted. PHONE_IN 13 I Mono Line Level Input. AUX_L 14 I Auxiliary Left Channel Input. AUX_R 15 I Auxiliary Right Channel Input. CD_L 18 I CD-Audio-Left Channel. CD_GND 19 I CD-Audio-Analog-Ground-Reference (for Differential CD Input). CD_R 20 I CD-Audio-Right Channel. MIC_1 21 I Microphone 1 or Line-In-Left Input (See LISEL Bits in Register 0x76). MIC_2 22 I Microphone 2 or Line-In-Right Input (See LISEL Bits in Register 0x76). LINE_IN_L 23 I Line-In-Left Channel or Microphone 1 Input (See OMS Bits in Register 0x74). LINE_IN_R 24 I Line-In-Right Channel or Microphone 2 Input (See OMS Bits in Register 0x74). CENTER_OUT 31 I/O Center-Channel Output or Microphone 1 Input (See OMS Bits in Register 0x74). LFE_OUT 32 I/O Low-Frequency-Enhanced Output or Microphone 2 Input (See OMS Bits in Register 0x74). HEADPHONE_L 39 O Headphone-Out-Left Channel (See HPSEL Bits in Register 0x76). HEADPHONE_R 41 O Headphone-Out-Right Channel (See HPSEL Bits in Register 0x76). LINE_OUT_L 43 O Line-Out (Front)—Left Channel (See LOSEL Bit in Register 0x76) (HP Drive-Capable). LINE_OUT_R 45 O Line-Out (Front)—Right Channel (See LOSEL Bit in Register 0x76) (HP Drive-Capable). MONO_OUT 37 O Mono Output to Telephony Subsystem Speakerphone. SURR_OUT_L 35 I/O Surround-Left Channel Output or Line-In-Left Input (See LISEL and SOSEL Bits in Register 0x76). SURR_OUT_R 36 I/O Surround-Right Channel Output or Line-In-Right Input (See LISEL and SOSEL Bits in Register 0x76). Table 20. Filter/Reference Mnemonic Pin Number Input/ Ouput Description VREF_FILT 27 O Voltage Reference Filter. VREF_OUT (MIC) 28 O Programmable Voltage Reference Output (Intended for MIC Bias on the MIC_1/2 Channels). VREF_OUT (LINE_IN) 29 O Programmable Voltage Reference Output (Intended for MIC Bias on the LINE_IN Channels). VREF_OUT (C/LFE) 33 O Programmable Voltage Reference Output (Intended for MIC Bias on the C/LFE Channels). Table 21. Power and Ground Mnemonic Pin Number Input/ Ouput Description DVDD 1, 9 N/A Digital Supply Voltage (3.3 V). DVSS 4, 7 N/A Digital Supply Return (Ground). AVDD 25, 34, 38, 42, 46 N/A Analog Supply Voltage (5.0 V). AVDD supplies should be well filtered because supply noise will degrade performance. AVSS 26, 30, 40, 44 N/A Analog Supply Return (Ground). |
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