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•Comp lete mod em Inte grated Ci rcuit wi th inte -
grated controller, data pump and Analog Front
End (AFE)
•Includes an AT command set interpreter in the
on-chip ROM with no external memory
required
•On-chip software-selectable active hybrid
•Programmable country parameters
•Data modem throughput to 2400 bps full-
duplex
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with Minitel line reversal
•Parallel and Serial Host Interface
•On-chip peripheral, a full-duplex voice band
AFE with 12-bit resolution
•Includes V.14 asynchronous to synchronous
conversion
•Voice answer detection
•Line-In-Use detection before connection
•Pick-up dete ction during conn ect io ns
•Fully-pr ogr ammabl e c al l p rog ress det ect or s for
precise cal l program monitori ng, inc lud ing sig-
nal quality detectors, tone detectors, tone gen-
erators, and transmit signal levels that aid in
rapid country qualifications
•Dynamic power management: power-saving
SLEEP modes
•North American Type-I Caller ID
•Small 44-Pin VQFP footprint
•Single +5 VDC power supply
•0C to +70C standard temperature range and
–40C to +85C extended temperature range
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•Simplifies global modem certifications
•Easy to integrate and short design time
•Reduce time to market by 50%
•Minima l ext ernal logic
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•Transaction Processing terminal s
•Set-top boxes
•Security applications
•Remote telemetry
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The Z02215 is a synchronous single-chip V.22bis
modem capable of 2400 bps full-duplex over dial-
up lines. The Z02215 is a full-featured, self-con-
trolled modem that includes a modem controller,
digital signal processing (DSP), and Analog Front
End (AFE) functions. A software-selectable active
hybrid is available on-chip to minimize the exter-
nal logic. This device is specifically designed for
use in embedded modem applications where space,
performance, and low-power consumption are key
requirements. A typical modem can be created by
simply adding a phone-line interface (DAA), and
Data Terminal Equipment (DTE) interface.
The Z02215 can be programmed with country
parameters using AT commands or the EEPROM
interface. AT commands can be used to load the
country parameters from host controller onto the
Z02215. Configuration of the controller code using
AT commands or the EEPROM interface simplifies
country qualifications.
Operating over the Public Switched Telephone
Network (PSTN), the Z02215 meets the modem
standards for V.22bis, V.22, V.23 (Minitel), V.21,
Bell 212A, Bell 202, Bell 202T, and Bell 103.
All modulation, demodulation, filtering, Analog to
Digital (A/D), and Digital to Analog (D/A) conver-
sion functions for transmission and reception are
provided on-chip. Automatic compromise equaliz-
ers are included to optimize performance over a
wide range of line types.
T r ansmit driver s and receiv e amplif iers ca n be con-
nected directly to a Data Access Arrangement
(DAA) by adding a transformer, or a silicon DAA,
reducing the external circuits to a minimum.
In addition, the Z02215 provides further system-
level savings by providing built-in filters for both
the transmitter analog output and the receiver ana-
log input. This configuration eliminates the need
for external filtering components.
The Analog Front End of the Z02215 includes an
active hybrid circuit that improves modem perfor-
mance and reduces system-level costs by reducing
the requirement for external components.
The Z02215 device operates on a single +5 VDC
power supply. During periods of no traffic, the
modem can be placed into SLEEP mode, reducing
power consum ption through Dynamic Power Man-
agement.
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The following evaluation tools are available for the Z02215 Single Chip Modem:
•Z0221500ZCO Evaluation Kit. Includes evaluation board, power supply, user manual, software.
•DiplomatTM software utility is included in the Z0221500ZCO Evalua tion Kit.
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