Z0220516SSG1961

Overview

The Z02205 is a V.22bis modem controller designed for low power consumption and small size requirements. It features an on-chip ROM containing the AT command set interpreter, eliminating the need for external memory. The device supports tone or pulse dialing, call progress monitoring, handshake controls, guard tones, line quality monitoring with auto-retrain, and Type-I Caller ID. It operates at a maximum clock frequency of 16 MHz with 16 KB of ROM and 237 bytes of RAM. The operating voltage range is 4.5V to 5.5V, and it functions within a commercial temperature range of 0°C to +70°C.

Feature Summary

• Includes on-chip ROM with AT command set interpreter for direct control without external memory
• Provides glueless interface to ZiLOG data pump (Z02201) for simplified system integration
• Supports both synchronous and asynchronous modes with auto-dial and auto-answer capabilities
• Features dynamic power management including Watch-Dog Timer and Power-On Reset

Applications

• Embedded V.22bis modem applications requiring low cost and small footprint
• Dial-up telephone connection systems utilizing North American phone network configurations
• Low power consumption devices where minimal size is a critical requirement

Procurement Notes

Verify that the specific firmware version matches the target country's telephone network requirements, as standard samples are tailored for North America. Confirm package availability in 28-pin DIP or SOIC formats. Ensure the design accommodates the 4.5V to 5.5V operating voltage range and 0°C to +70°C commercial temperature specifications during procurement planning.

Selection Notes

Select the Z02205 when a complete V.22bis modem solution is needed with integrated control logic. It is suitable for designs pairing with the Z02201 data pump. Consider this component if the application demands on-chip AT command processing and reduced external memory usage. Verify compatibility with required dialing methods and caller ID standards before finalizing the selection.

Part Context

The Z02205 serves as the central controller for embedded V.22bis modems manufactured by ZiLOG. It complements the Z02201 data pump to form a complete modem system. This controller handles protocol execution, line signaling, and terminal interface management. It is part of ZiLOG's modem controller family aimed at reducing system complexity and component count in communication equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.