RS5C316B 데이터 시트보기 (PDF) - RICOH Co.,Ltd.

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RS5C316B

ULTRA-COMPACT SERIAL ALARM REAL-TIME CLOCK ICs

RICOH Co.,Ltd. 

RS5C316A/B

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 .................................................4

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

AC CHARACTERISTICS ................................................................................5

TIMING CHARTS ...........................................................................................6

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

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

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

3. Counters..................................................................................................13

USAGES......................................................................................................15

1. Read Data (For the RS5C316A) ......................................................................15

2. Write Data (For the RS5C316A).......................................................................16

3. Read Data (For the RS5C316B) ......................................................................17

4. Write Data (For the RS5C316B).......................................................................18

5. CE Pin ....................................................................................................19

6. Configuration of Oscillating Circuit ....................................................................20

7. Oscillator Halt Sensing .................................................................................21

8. Typical Power Supply Circuit...........................................................................22

9. Oscillation Frequency Adjustment.....................................................................22

10. Interrupt Operation .....................................................................................24

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