RS5C317A Просмотр технического описания (PDF) - RICOH Co.,Ltd.

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RS5C317A

ULTRA-COMPACT HIGH PERFORMANCE SERIAL REAL-TIME CLOCK ICs

RICOH Co.,Ltd. 

RS5C317A/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..................................................................................................14

USAGES......................................................................................................16

1. Read Data (For the RS5C317A) ......................................................................16

2. Write Data (For the RS5C317A).......................................................................17

3. Read Data (For the RS5C317B) ......................................................................18

4. Write Data (For the RS5C317B).......................................................................19

5. CE Pin ....................................................................................................20

6. Configuration of Oscillating Circuit ....................................................................21

7. Oscillator Halt Sensing .................................................................................22

8. Typical Power Supply Circuit...........................................................................23

9. Oscillation Frequency Adjustment.....................................................................23

10. Interrupt Operation ....................................................................................25

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