Product Brief
April 2002
Agere Systems
Venus
®Controller-Based Modem DSP
Features
■Single-chip integrated DSP and controller:
— 1673: 56 kbits/s 5 V devices
— 1675: 56 kbits/s 3.3 V devices
— 1670: 33.6 kbits/s 5 V and 3.3 V devices
■Data mode capabilities:
— ITU-T V.90: 28,000 bits/s—56,000 bits/s
— ITU-T V.34: 33,600 bits/s2,400 bits/s
— V.32terbo, V.32bis, and fallbacks
— V.42 error correction (LAPM and
MNP
®)
— V.44, V.42bis and
MNP
class 5 data compres-
sion
■FAX mode capabilities:
— ITU-T V.17, V.29, V.27ter, and V.21 Ch 2
— Class 1/class 2 FAX
■Enhanced voice features:
— IS-101 AT+V commands with extensions
— Telephone answering machine (TAM)
— Record/playback
— Distinctive ring
— Call screening
— Ring detect
— Data/FAX/voice call discrimination
■
SIMULTALK
®full-duplex speakerphone (FDSP)
capabilities:
— Adaptive acoustic echo canceller for dynamic
speaker/microphone positioning
— Concurrent DTMF tone detections
■Compatible with transformer-based and silicon
DAA circuits:
— High-precision sigma delta codec (CSP1034C)
— Line powered silicon DAA (CSP1035A)
■Extensive bit I/O control for homologation control
and cellular direct connect
■Internal PLL for single low-speed crystal support
■Flash-programming support
■Single package (plastic) option: 128-pin TQFP,
144-pin TQFP, or 160-pin PBGA
■Integrated serial V.24 interface capabilities:
— Autobaud up to 230K baud
— Full support of RS-232C asynchronous protocol
■Integrated PCMCIA interface capabilities:
— Fully PC card compliant
— 16-bit multifunction card support for external
logical devices
— Independent power management per logical
device
■USB support with USB interface chip:
— Fully compliant with Universal Serial Bus
specification Revision 1.0 including power
management
— Targeted for
Windows
®98,
Windows
2000,
and
Macintosh
®operating systems
■PCI support with PCI interface chip:
—Meets
Microsoft
®PC 98 requirements
— ACPI power management
2Agere Systems Inc.
Product Brief
April 2002
Venus
Controller-Based Modem DSP
Agere Systems
Description
Figure 1. V.90 Embedded Modem and V.90 Serial Box Modem Block Diagram
Figure 2. V.90 PC Card Block Diagram
CSP1034AH
I
1673
VENUS
DAA
(LOW COMPONENT
S
A
B
U
S
NVRAM
COUNT/COST)
RAM
(32K x 8)
RAM
(32K x 8)
ROM
AUDIO HYBRID
(MIC, SPKR, PREAMP)
AUDIO
CODEC
OPTIONAL VOICE FEATURES
5-8755(F)
R
S
2
3
2
C
or
CSP1034AH
P
1673
VENUS
DAA
(LOW COMPONENT
NVRAM
COUNT/COST)
RAM
(32K x 8)
RAM
(32K x 8)
ROM
C
M
C
I
A
B
U
SCELLULAR
DIRECT
CONNECT
5-8755(F).b
Agere Systems Inc. 3
Product Brief
April 2002
Venus
Controller-Based Modem DSP
Agere Systems
Description (continued)
Figure 3. V.90
Venus
USB Block Diagram
Figure 4. V.90
Venus
PCI Block Diagram
CSP1034C
U
1675
VENUS
DAA
S
B
B
U
S
NVRAM
RAM
(32K x 8)
RAM
(32K x 8)
ROM
AUDIO HYBRID1027
OPTIONAL VOICE FEATURES
USB I/F
5-8755(F).c
CSP1034AH
P
1673
VENUS
C
I
B
U
S
NVRAM
SRAM
(32K x 8)
SRAM
(32K x 8)
ROM
AUDIO HYBRID7525
OPTIONAL VOICE FEATURES
PCI I/F
DAA
(LOW COMPONENT
COUNT/COST)
5-8755(F).d
4Agere Systems Inc.
Product Brief
April 2002
Venus
Controller-Based Modem DSP
Agere Systems
Package Information
Figure 5. Serial Box Modem Chip Set
Figure 6. PC Card Chip Set
5-6394(F).z
DIME
DIME
(U.S.A.)
T7525
28-PIN
SOJ
SIDE VIEW
TOP VIEW
T7525
DSP
128-PIN
TQFP
DSP1673
1673
CSP1034AH
CSP
1034
48-PIN
TQFP
DSP
144-PIN
TQFP
DSP1673 DIME
DIME
(U.S.A.)
CSP1034AH
CSP
1034
48-PIN
TQFP
1673
SIDE VIEW
TOP VIEW
5-6394(F).aa
Agere Systems Inc. 5
Product Brief
April 2002
Venus
Controller-Based Modem DSP
Agere Systems
Package Information (continued)
Figure 7. USB Modem Chip Set
Figure 8. Controller-Based PCI Chip Set
DIME
DIME
(U.S.A.)
CSP1034C
48-PIN
TQFP
SIDE VIEW
TOP VIEW
CSP
1034
DSP
128-PIN
TQFP
DSP1675
1675
USB I/F
48-PIN
TQFP
USB-
INT
5-6394(F).bb
5-6394(F).jlc1
DIME
DIME
(U.S.A.)
SIDE VIEW
TOP VIEW
PC I/F
128-PIN
TQFP
PC I/F
DSP
128-PIN
TQFP
DSP1673
1673
CSP1034C
48-PIN
TQFP
CSP
1034
Agere Systems Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application. Agere,
Agere Systems, and theAgere logo are trademarks of Agere Systems Inc.
Venus
and
Simultalk
are registered trademarks of Agere Systems Inc.
Copyright © 2002 Agere Systems Inc.
All Rights Reserved
April 2002
PB02-020DMOD (Replaces PN99-174DMOD)
For additional information, contact your Agere Systems Account Manager or the following:
INTERNET: http://www.agere.com
E-MAIL: docmaster@agere.com
N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286
1-800-372-2447, FAX 610-712-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106)
ASIA: Agere Systems Hong Kong Ltd., Suites 3201 & 3210-12, 32/F, Tower 2, The Gateway, Harbour City, Kowloon
Tel. (852) 3129-2000, FAX (852) 3129-2020
CHINA: (86) 21-5047-1212 (Shanghai), (86) 10-6522-5566 (Beijing), (86) 755-695-7224 (Shenzhen)
JAPAN: (81) 3-5421-1600 (Tokyo), KOREA: (82) 2-767-1850 (Seoul), SINGAPORE: (65) 6778-8833, TAIWAN: (886) 2-2725-5858 (Taipei)
EUROPE: Tel. (44) 7000 624624, FAX (44) 1344 488 045
Product Brief
April 2002
Venus
Controller-Based Modem DSP
Agere Systems
Package Ordering Information
Table 1. DSP Ordering Information
Notes:
PCMCIA designs require the 144TQFP.
Serial designs require the 128TQFP.
When ordering, make sure that devices from multiple fabs are qualified.
Table 2. Chip Set Names and Part Numbers
Notes:
Please provide device number and package when placing orders.
Data/FAX support does not require the T7525.
EIA
is a registered trademark of Electronic Industries Association.
MNP
is a registered trademark of Microcom, Inc.
Microsoft
,
Windows
and
Windows NT
are registered trademarks of Microsoft Corporation.
Macintosh
is a registered trademark of Apple Computer, Inc.
UNIX
is a registered trademark licensed exclusively through X/Open Company Ltd.
Device Speed Voltage 128TQFP 144TQFP 160PBGA
1673 V.90 5 V 1673TV8-28RDD-DB 1673TV8-44RDD-DB Not Available
1675 V.90 3 V 1675TV3-28RDDV-DB 1675TV3-44RDD-DB 1675BAV2RDD12V-DB
1670 V.34 5 V 1670TV8-28RDD-DB Not Available Not Available
1670 V.34 3 V 1670TV3-28RDDV-DB Not Available Not Available
Platform Feature Chip Set Package
Serial/Embedded V.90/V.92 Data/FAX/Speaker-
phone DSP1673
CSP1034AH
CSP1029
128 TQFP
48 TQFP
48 TQFP
PC Card V.90/V.92 Data/FAX/Cell DSP1673 Cell
CSP1034AH 144 TQFP
48 TQFP
USB V.90/V.92 Data/FAX DSP1675
CSP1034C
USB INT
128 TQFP
48 TQFP
48 TQFP
PCI V.90/V.92 Data/FAX DSP1673
CSP1034AH
PCI INT
128 TQFP
48 TQFP
128 TQFP
