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PCF8573 数据表(PDF) 2 Page - NXP Semiconductors |
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PCF8573 数据表(HTML) 2 Page - NXP Semiconductors |
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2 / 24 page ![]() 1997 Mar 28 2 Philips Semiconductors Product specification Clock/calendar with Power Fail Detector PCF8573 CONTENTS FEATURES 2 GENERAL DESCRIPTION 3 QUICK REFERENCE DATA 4 ORDERING INFORMATION 5 BLOCK DIAGRAM 6 PINNING 7 FUNCTIONAL DESCRIPTION 7.1 Oscillator 7.2 Prescaler and time counter 7.3 Alarm register 7.4 Comparator 7.5 Power on/power fail detection 7.6 Interface level shifters 8 CHARACTERISTICS OF THE I2C-BUS 8.1 Bit transfer 8.2 Start and stop conditions 8.3 System configuration 8.4 Acknowledge 9I2C-BUS PROTOCOL 9.1 Addressing 9.2 Clock/calendar READ/WRITE cycles 10 LIMITING VALUES 11 HANDLING 12 DC CHARACTERISTICS 13 AC CHARACTERISTICS 14 APPLICATION INFORMATION 15 PACKAGE OUTLINES 16 SOLDERING 16.1 Introduction 16.2 DIP 16.2.1 Soldering by dipping or by wave 16.2.2 Repairing soldered joints 16.3 SO 16.3.1 Reflow soldering 16.3.2 Wave soldering 16.3.3 Repairing soldered joints 17 DEFINITIONS 18 LIFE SUPPORT APPLICATIONS 19 PURCHASE OF PHILIPS I2C COMPONENTS |
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