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Z0220516PSG1961 Folha de dados(PDF) 3 Page - Zilog, Inc. |
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Z0220516PSG1961 Folha de dados(HTML) 3 Page - Zilog, Inc. |
3 / 30 page PS001000-MOD0599 1 PRODUCT SPECIFICATION Z02205 1 MODEM CONTROLLER IDEAL FOR LOW POWER CONSUMPTION, SMALL SIZE 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 GENERAL DESCRIPTION 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: Call progress monitoring Handshake negotiation Dial controls—pulse or tone S-registers Auto-answer and auto-dial Guard tones On-hook and off-hook Auto-retrain Standard Z02205 sample devices and demonstration boards contain controller code tailored for operation on the North American phone network. For production usage, customers must modify the controller code to meet the requirements of their particular country and application. Device ROM (KB) RAM* (Bytes) Speed (MHz) Z02205 16 237 16 |
Nº de peça semelhante - Z0220516PSG1961 |
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Descrição semelhante - Z0220516PSG1961 |
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