R
×
5C348A/B
APPLICATION MANUAL
CONTENTS
OUTLINE
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1
FEATURES
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1
BLOCK DIAGRAM
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2
APPLICATIONS
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2
SELECTION GUIDE
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2
PIN CONFIGURATION
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2
PIN DESCRIPTIONS
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3
ABSOLUTE MAXIMUM RATINGS
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4
RECOMMENDED OPERATING CONDITIONS
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4
DC ELECTRICAL CHARACTERISTICS
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5
AC ELECTRICAL CHARACTERISTICS
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6
GENERAL DESCRIPTION
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7
FUNCTIONAL DESCRIPTIONS
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9
1. Address Mapping
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9
2. Register Settings
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10
USAGES
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22
1. Data Transfer Formats
2.
3.
4.
5.
6.
7.
8.
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22
Configuration of Oscillation Circuit and Correction of Time Count Deviations
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28
Oscillation Halt Sensing and Supply Voltage Monitoring
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33
Alarm and Periodic Interrupt
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35
32-kHz Clock Output
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38
Typical Applications
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39
Typical Characteristics
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42
Typical Software-based Operations
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44
PACKAGE DIMENSIONS
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48
TAPING SPECIFICATIONS
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49
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
