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CX81801-72 Datasheet(PDF) 11 Page - Synaptics Incorporated. |
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CX81801-72 Datasheet(HTML) 11 Page - Synaptics Incorporated. |
11 / 94 page CX81801-7x/8x SmartV.XX Modem Data Sheet 102199B Conexant 1-3 Figure 1-1. SmartV.XX Modem Simplified Interface Diagram CX81801 Modem 128-Pin TQFP CX20493 SmartDAA Line Side Device (LSD) 28-Pin QFN CX20442 Voice Codec (VC) 32-Pin TQFP (Optional) MIC SPEAKER TIP RING Telephone Line Interface Discrete Components 102199_001 Digital Isolation Barrier (DIB) TIP RING HANDSET (OPTIONAL) TELEPHONE LINE (OPTIONAL) PARALLEL HOST BUS OR SERIAL DTE INTERFACE Figure 1-2. SmartV.XX Modem Major Interfaces CX81801 Modem 128-Pin TQFP CX20442 Voice Codec (VC) 32-Pin TQFP (Optional) SmartDAA Interface Modem Data Pump (MDP) Digital Speaker Circuit (Optional) Paralle Host or Serial DTE Interface MIC SPEAKER 102199_002 SOUNDUCER HS Hybrid Components (Optional) RAM (32K x 8) ROM (256k x 8) Optional RAM Up to 1M (128K x 8) Optional Flash ROM Up to 4M (512K x 8) Microcontroller Unit (MCU) Serial EEPROM 2K (256 x 8) to 256K (32K x 8) (Optional) TIP RING Telephone Line Interface Discrete Components TIP RING Voice Relay, HS Pickup Detector (Optional) TELEPHONE LINE TELEPHONE HANDSET Digital Isolation Barrier (DIB) Components CX20493 SmartDAA Line Side Device (LSD) 28-Pin QFN Line Side DIB Interface (LSDI) Codec Telephone Line Interface DAA Hardware Rectifier and Filter Components (Mic/Speaker) Interface (Optional) |
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