cx20493-35/app Conexant Systems, Inc., cx20493-35/app Datasheet - Page 11

• Manufacturer Part Number: cx20493-35/app
• Description: With Cx20493 Smartdaa?
• Manufacturer: Conexant Systems, Inc.

Figure 1-1. SmartV.XX Modem Simplified Interface Diagram
Figure 1-2. SmartV.XX Modem Major Interfaces
102247B
or Serial DTE
HOST BUS OR
Paralle Host
CX81801-7x/8x SmartV.XX Modem in 128-Pin LQFP with CX20493 in 32-Pin LQFP Data Sheet
SERIAL DTE
INTERFACE
Interface
PARALLEL
Microcontroller
Unit (MCU)
(256k x 8)
(32K x 8)
ROM
RAM
128-Pin LQFP
CX81801 Modem
CX81801
128-Pin LQFP
Modem
Pump (MDP)
Modem Data
SmartDAA
Interface
Isolation
Barrier
Barrier (DIB)
Components
Digital
(DIB)
Isolation
Digital
Voice Codec (VC)
32-Pin LQFP
(Optional)
CX20442
Up to 1M (128K x 8)
Optional Flash ROM
Up to 4M (512K x 8)
Conexant
Serial EEPROM
2K (256 x 8) to
256K (32K x 8)
Optional RAM
Components
(Optional)
and Filter
Rectifier
Device (LSD)
Voice Codec
32-Pin LQFP
32-Pin LQFP
SmartDAA
(Optional)
Line Side
CX20493
CX20442
(VC)
Interface
(LSDI)
Line Side Device (LSD)
Line
Side
DIB
CX20493 SmartDAA
DAA Hardware
32-Pin LQFP
Codec
Components
Telephone
Telephone
Interface
Interface
Discrete
Line
Line
Circuit (Optional)
Digital Speaker
(Mic/Speaker)
Line Interface
Components
Components
Voice Relay,
Telephone
HS Pickup
HS Hybrid
(Optional)
(Optional)
(Optional)
Interface
Discrete
Detector
TIP
RING
TIP
RING
MIC
SPEAKER
TELEPHONE LINE
HANDSET (OPTIONAL)
(OPTIONAL)
TELEPHONE
TELEPHONE
HANDSET
MIC
SPEAKER
SOUNDUCER
LINE
TIP
RING
TIP
RING
102247_001
102247_002
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