cx20493-35/app Conexant Systems, Inc., cx20493-35/app Datasheet - Page 13
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cx20493-35/app
Manufacturer Part Number
cx20493-35/app
Description
With Cx20493 Smartdaa?
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX20493-35APP.pdf
(92 pages)
- Current page: 13 of 92
- Download datasheet (684Kb)
1.3.2
1.3.3
102247B
CX81801-7x/8x SmartV.XX Modem in 128-Pin LQFP with CX20493 in 32-Pin LQFP Data Sheet
SmartDAA Features
Applications
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Full-duplex speakerphone (FDSP) mode using optional CX20442 Voice Codec
(S models)
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Built-in host/DTE interface
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Downloadable architecture
Direct mode (serial DTE interface)
Flow control and speed buffering
Automatic format/speed sensing
Serial async/sync data; parallel async data
Low profile packages (1.6 mm max. height)
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+3.3V operation with +5V tolerant digital inputs
Typical power use
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System side powered DAA operates under poor line current supply conditions
Modem Wake-on-Ring
Ring detection
Line current loss detection
Pulse dialing
Line-in-use detection during on-hook operation
Remote hang-up detection for efficient call termination
Extension pickup detection
Digital PBX line protection
Meets worldwide DC Voltage/Current (VI) masks requirements
Set top boxes
Gaming devices
Point of sale terminals
Remote monitoring and data collections systems
Handheld computers
Other embedded systems
Microphone and speaker interface
Telephone handset or headset interface
Acoustic and line echo cancellation
Microphone gain and muting
Speaker volume control and muting
Parallel 16550A UART-compatible interface up to 230.4 kbps
Serial ITU-T V.24 (EIA/TIA-232-E) logical interface up to 115.2 kbps
CX81801 Modem device in 128-pin LQFP
CX20493 LSD in 32-pin LQFP
CX20442 VC in 32-pin LQFP
CX81801 and CX20493: 215 mW (Normal Mode); 59 mW (Sleep Mode)
CX20442: 5 mW (Normal Mode)
Conexant
1-5
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