SmartHCF Mobile Modem Designer’s Guide
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PCI Bus/
Mini PCI/
CardBus
Host Side
Device
(HSD)
P9573
100-Pin TQFP
Digital
Isolation
Barrier
(DIB)
Line Side
Device (LSD)
(SmartDAA)
20463
32-Pin TQFP
Voice Codec
(VC)
20437
32-Pin TQFP
(Optional)
Telephone
Line
Interface
Discrete
Components
)LJXUH 6PDUW+&) 0RGHP 6LPSOLILHG ,QWHUIDFH 'LDJUDP
TIP
RING
TIP
RING
TELEPHONE LINE
HANDSET (OPTIONAL)
MIC
SPEAKER
(OPTIONAL)
MD260F1_SID
1-2
Conexant
100475A
Conexant Proprietary Information