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AD1981BJST-REEL Arkusz danych(PDF) 10 Page - Analog Devices |
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AD1981BJST-REEL Arkusz danych(HTML) 10 Page - Analog Devices |
10 / 32 page AD1981B Rev. C | Page 10 of 32 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS NC = NO CONNECT 1 2 3 4 5 6 7 8 9 10 11 12 DVDD1 XTL_IN XTL_OUT DVSS1 SDATA_OUT BIT_CLK DVSS2 SDATA_IN DVDD2 SYNC RESET NC LINE_OUT_R LINE_OUT_L AVDD4 AVSS4 AFILT4 AFILT3 AFILT2 AFILT1 VREFOUT VREF AVSS1 AVDD1 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 AD1981B TOP VIEW (Not to Scale) Figure 9. 48-Lead LQFP Pin Configuration Table 7. Pin Function Descriptions Pin No. Mnemonic I/O Description DIGITAL I/O 2 XTL_IN I Crystal Input (24.576 MHz) or External Clock Input. 3 XTL_OUT O Crystal Output. 5 SDATA_OUT I AC-Link Serial Data Output, AD1981B Data Input Stream. 6 BIT_CLK O/I AC-Link Bit Clock Output (12.288 MHz) or Bit Clock Input, if Secondary Mode Selected. 8 SDATA_IN O AC-Link Serial Data Input, AD1981B Data Output Stream. 10 SYNC I AC-Link Frame Sync. 11 RESET I AC-Link Reset, AD1981B Master Hardware Reset. 48 SPDIF O S/PDIF Output. CHIP SELECTS1 45 ID0 I Chip Select Input 0 (Active Low). This pin can also be used as the chain input from a secondary codec. 46 ID1 I Chip Select Input 1 (Active Low). JACK SENSE AND EAPD 17 JS0 I Jack Sense 0 Input. 16 JS1 I Jack Sense 1 Input. 47 EAPD O External Amp Power-Down Control. ANALOG I/O 13 PHONE_IN I Phone Input. Mono input from telephony subsystem speaker phone or handset. 14 AUX_L I Auxiliary Input Left Channel. 15 AUX_R I Auxiliary Input Right Channel. 18 CD_L I CD Audio Left Channel. 19 CD_GND_REF I CD Audio Analog Ground Reference for Differential CD Input. 20 CD_ R I CD Audio Right Channel. 21 MIC1 I Microphone 1 Input (Mono) or Left Channel when 2-Channel Mode Selected (Stereo MIC). |
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