Z02215
Single Chip Modem with Integrated Controller, Data Pump, and AFE
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Features
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Complete modem integrated circuit with integrated controller, data pump and An-
alog Front End (AFE) with active hybrid
Includes an AT command set interpreter in the on-chip ROM with no external
memory required
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Programmable country parameters through AT commands or EEPROM interface
Automatic determination of AT command speed and parity
Includes V.14 asynchronous to synchronous conversion
Accepts asynchronous or synchronous terminal data
Speed matching and RTS/CTS flow control between the modem and the terminal
Voice answer detection
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Line-In-Use detection before connection
Pick-up detection during connections
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Supports Tone or Pulse dialing
Call progress monitoring controls
Guard tone controls
Line quality monitoring and auto-retrain
Auto-Dial and Auto-Answer
Supports telephone dial blacklisting
Data modem throughput to 2400 bps
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ITU V.22bis, V.23, V.22, V.21
Bell 212A, Bell 103, Bell 202, Bell 202T
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FSK (V.23 1200/75 bps, Bell 202/Bell 202T 1200/150 bps, V.21/Bell 103 300
bps), DPSK (V.22/Bell 212A 1200 bps), or QAM Encoding (V.22bis 2400 bps)
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V.23 with Minitel line reversal
Programmable bi-quad call progress tone detectors
Adaptive equalization to compensate for a wide variety of line conditions
Programmable transmit attenuation and selectable receive threshold
Fully-programmable call progress detectors for precise call program monitoring,
including signal quality detectors, tone detectors, tone generators, and transmit
signal levels that aid in rapid country qualifications
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On-chip peripheral, a full-duplex voice band AFE with 12-bit resolution
PS001907-0904
Features
ZILOG [ ZILOG, INC. ]
