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OCM-22 Datasheet(数据表) 2 Page - Agere Systems

部件型号  OCM-22
说明  One-Chip Modem for Embedded Applications
下载  4 Pages
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制造商  AGERE [Agere Systems]
网页  http://www.agere.com
标志 AGERE - Agere Systems

OCM-22 Datasheet(HTML) 2 Page - Agere Systems

  OCM-22 数据表 HTML 1Page - Agere Systems OCM-22 数据表 HTML 2Page - Agere Systems OCM-22 数据表 HTML 3Page - Agere Systems OCM-22 数据表 HTML 4Page - Agere Systems  
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Agere Systems Inc.
2
Product Brief Rev 1.0
April 2005
One-Chip Modem for Embedded Applications
OCM-22
Functional Description
The Agere Systems OCM-22 chip set is a two-chip solution consisting of an Agere Systems OCM-22 and a
CSP1034C or CSP1035A. A block diagram of the OCM-22 chip sets are illustrated in Figure 1 and Figure 2.
D5-9559 (F)a R.02
Figure 1. OCM-22 + CSP1035A Universal DAA Chip Set Block Diagram
5-9560 (F)a R.02
Figure 2. OCM-22 + CSP1034C Chip Set Block Diagram
DIA Port
OCM-22 provides a system interface for use in embedded applications that requires only two address lines, a read/
write strobe, and a single chip select. The interface feeds directly into the DIAs four registers.
The following diagram shows how the host system and the OCM-22 interface. In this configuration, external logic
decodes the address that selects the DIA port, and the embedded application accesses the four control registers
associated with the DIA port to communicate with OCM-22. This configuration also allows a clean interface to
external plug-and-play and PCMCIA interface devices.
TELEPHONE
LINE
PARALLEL/
OCM-22
48-PIN
TQFP
AGERE SYSTEMS
OCM-22 CONTROLLERLESS MODEM CHIP
REMAINING
COMPONENTS
FOR
U-DAA
48-PIN TQFP
LINE
CODEC
UNIVERSAL
DAA
CSP1035A (LINE-POWERED)
U-DAA
SYSTEM
MICRO-
PROCESSOR
SERIAL
TELEPHONE
LINE
PARALLEL
OCM-22
48-PIN
TQFP
AGERE SYSTEMS
OCM-22 CONTROLLERLESS MODEM CHIP
STANDARD
DAA CIRCUIT
48-PIN TQFP
CSP1034C LINE
CODEC
SYSTEM
MICRO-
PROCESSOR
SERIAL/




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