cx06827 Conexant Systems, Inc., cx06827 Datasheet
cx06827
Manufacturer Part Number
cx06827
Description
Scxxd V.92 V.34 V.32 Data Modem Device With Discrete External Rom/ram
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX06827.pdf
(2 pages)
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V.92 Single-Chip ACF Modem with
Optional CX20437 Voice Codec
Conexant’s CX06827 single-chip V.92 modem device set
enables modem designers to develop modems for desktop
PCs and Internet appliances. Features available with V.92 are
quick connect, PCM upstream and modem-on-hold. The new
V.44 standard is also supported. This new data-compression
protocol delivers data rates faster than those achieved by the
V.42 bis protocol. The device set supports analog data at up to
56 Kbps, analog fax at up to 14.4 Kbps, telephone answering
machine (TAM)/telephony extensions and voice/speakerphone
(optional), and parallel/serial host interface operation,
depending on the model.
V.92 Features
Quick Connect
This feature approximates the “always on” connection of
broadband access solutions by enabling dial-up modems to
complete the modem handshake sequence 30% to 40% faster
than before.
PCM Upstream
Using a new modulation for upstream data (a variation of PCM),
V.92 supports a maximum upstream data rate of 48 Kbps, as
compared to 33.6 Kbps for V.90. At the maximum rate, this
represents a 40% improvement in upstream throughput. Users
will also see throughput improvements when uploading digital
audio and image files.
Modem-on-Hold
Call waiting is a popular feature offered by many telephone
companies around the world. Unfortunately, a call-waiting
event may disconnect a modem when it is in use, frustrating
the user and often prompting a call to the OEM or ISP support
center. Modem-on-hold allows the modem to remain online
during a call-waiting event, thereby eliminating the need to
redial to get back on the Internet.
C X 0 6 8 2 7
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p e r s o n a l
D i s t i n g u i s h i n g F e a t u r e s
• V.92 features: modem-on-hold, quick
• V.44 data-compression protocol increases
• Hardware-based modem controller
connect and PCM upstream
data rates faster than those achieved by
the V.42 bis protocol
digital signal processor (DSP)
c o m p u t i n g
p r o d u c t s
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cx06827 Summary of contents
Page 1
... V.92 Single-Chip ACF Modem with Optional CX20437 Voice Codec Conexant’s CX06827 single-chip V.92 modem device set enables modem designers to develop modems for desktop PCs and Internet appliances. Features available with V.92 are quick connect, PCM upstream and modem-on-hold. The new V ...
Page 2
... Worldwide operation • Thin packages support low-profile designs (1.6 mm max. height) - Complies with TBR21 and other country requirements - CX06827 ACF: 144-pin TQFP - Caller ID detection - CX20437 VC: 32-pin TQFP (for S models only) - Call progress, blacklisting • +3.3V operation with +5V-tolerant - External ROM/flash ROM includes ...