GENERAL DESCRIPTION
The Z02205 V.22bis Modem Controller serves as the modem controller in embedded V.22bis modem applications. A complete modem can be made by adding ZiLOG data pump (Z02201), phone line interface, and the required DTE interface. The Z02205 has been designed for low-cost use and includes a glueless interface to the ZiLOG data pumps. The Z02205 is ideal for applications where small size and low power consumption are requirements.
   
FEATURES
   
• Includes AT command set interpreter in on-chip ROM—
    no external memory required
• Supports Tone dial or Pulse dial
• Call progress monitoring controls
• Handshake controls
• Guard Tone controls
• Line quality monitoring and Auto-Retrain
• Auto-Dial and Auto-Answer
• Glueless interface to Z02201 modem data pump
• Watch-Dog Timer (WDT)/Power-On Reset (POR)
• Type-I Caller ID
• Dynamic power management
• CMOS design for low power consumption
• 0°C to +70°C commercial temperature range
• 28-pin DIP, SOIC package
• 4.5V to 5.5V operating range