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PCM9211 Datasheet(PDF) 59 Page - Texas Instruments |
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PCM9211 Datasheet(HTML) 59 Page - Texas Instruments |
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59 / 121 page  ERROR/INT0 NPCM/ INT1 MPIO_A0 MPIO_A1 MPIO_A2 MPIO_A3 MPIO_C0 MPIO_C1 MPIO_C2 MPIO_C3 MPIO_B0 MPIO_B1 1 2 3 4 5 6 7 8 9 10 11 12 VDDRX RXIN1 RXIN2 RXIN3 RXIN4/ ASCKIO RXIN5/ ABCKIO RXIN6/ ALRCKIO RXIN7/ ADIN0 MODE MS/ ADR1 MC/ SCL 36 35 34 33 32 31 30 29 28 27 26 25 48 47 46 45 44 43 42 41 40 39 38 37 13 14 15 16 17 18 19 20 21 22 23 24 C1 Analog Input C2 C3 +5V C4 R1 C5 C6 C7 +3.3V X1 C9 C8 C12 C11 C10 R4 R3 +3.3V COAX Input 0V 0V 0V COAX Input Optical Inputs or PCM Audio I/ F 0V or 3.3V Serial Control I/ F Serial Control I/ F C13 0V +3.3V PCM Audio I/ F MPOx Assigned Functions MPIO_B Assigned Functions MPIO_A Assigned Functions MPIO_C Assigned Functions MPIO_B Assigned Functions Interruption Flag Functions R2 RST PCM9211 www.ti.com SBAS495 – JUNE 2010 APPLICATION INFORMATION TYPICAL CIRCUIT CONNECTION Figure 44 illustrates a typical circuit connection. R1: Loop filter resistor, 680 Ω. R2: Current-limiting resistor; generally, a 100- Ω to 500-Ω resistor is used, but it depends on the crystal resonator. R3, R4: Coax input termination resisters, 75 Ω. C1, C2: 4.7-mF electrolytic capacitor is recommended for 3-Hz cutoff frequency. C3, C7, C12, C13: 0.1-mF ceramic capacitor and 10-mF electrolytic capacitor, depending on the power supply. C4: 0.1-mF ceramic capacitor and 10-mF electrolytic capacitor is recommended. C5: Loop filter capacitor, 0.068 mF. C6: Loop filter capacitor, 0.0047 mF. C8, C9: OSC load capacitor; generally, a 10-pF to 30-pF capacitor is used, but it depends on the crystal resonator and PCB layout. C10, C11: DC blocking capacitor for coax input, 0.1 mF. X1: Crystal resonator. Use a 24.576-MHz fundamental resonator when the XTI clock source is needed. Figure 44. Typical Circuit Connection Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 59 Product Folder Link(s): PCM9211 |
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