RS5C313 데이터 시트보기 (PDF) - RICOH Co.,Ltd.

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RS5C313

ULTRA-COMPACT REAL-TIME CLOCK IC

RICOH Co.,Ltd. 

RS5C313

APPLICATION MANUAL

CONTENTS

OUTLINE ......................................................................................................1

FEATURES....................................................................................................1

BLOCK DIAGRAM .........................................................................................2

APPLICATIONS .............................................................................................2

PIN CONFIGURATION ...................................................................................2

PIN DESCRIPTIONS ......................................................................................3

ABSOLUTE MAXIMUM RATINGS ...................................................................4

RECOMMENDED OPERATING CONDITIONS .................................................5

DC CHARACTERISTICS ................................................................................5

AC CHARACTERISTICS ................................................................................6

TIMING CHART .............................................................................................6

FUNCTIONAL DESCRIPTIONS ......................................................................7

1) Addressing ...............................................................................................7

2) Registers .................................................................................................8

3) Counters ................................................................................................12

USAGES......................................................................................................14

1) Read Data ..............................................................................................14

2) Write Data ..............................................................................................15

3) CE Pin ..................................................................................................16

4) Configuration of Oscillating Circuit ..................................................................17

5) Oscillator Halt Sensing................................................................................18

6) Typical Power Supply Circuit .........................................................................18

7) Oscillation Frequency Adjustment...................................................................19

8) Interrupt Operation ....................................................................................20

9) Typical Application.....................................................................................21

10) Typical Characteristic Measurements...............................................................22

11) Typical Software-based Operations .................................................................24

PACKAGE DIMENSIONS ..............................................................................28

PACKAGE SPECIFICATION ..........................................................................28

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