MODEM CONTROLLER IDEAL FOR LOW POWER CONSUMPTION, SMALL SIZE REQUIREMENTS

The Z02205 V.22bis Modem Controller serves as the mo- dem 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. The Z02205 operates over dial-up telephone connections, provides auto-dial and ring detect, and operates in either SYNC or ASYNC modes. The Z02205 includes AT command and modem control firmware in on-chip ROM. It also includes enhanced wake- up circuitry, programmable Watch-Dog Timers (WDT), and low-noise EMI options. AT commands stored on-chip in ROM provide control over the following modem controller functions: By ZiLOG Semiconductor