S3C24A0A 데이터 시트보기 (PDF) - Samsung

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S3C24A0A

32-BIT RISC MICROPROCESSOR

Samsung 

Table of Contents (Continued)

Chapter 10 RTC (Real Time Clock)

Overview ....................................................................................................................................................... 10-1

Feature................................................................................................................................................. 10-1

Real Time Clock Operation.................................................................................................................. 10-2

Leap Year Generator ........................................................................................................................... 10-2

Read/Write Registers........................................................................................................................... 10-2

Backup Battery Operation.................................................................................................................... 10-2

ALARM Function .................................................................................................................................. 10-3

TICK Time Interrupt ............................................................................................................................. 10-3

Round Reset Function ......................................................................................................................... 10-3

32.768kHz X-Tal Connection Example............................................................................................... 10-3

Real Time Clock Special Registers .............................................................................................................. 10-4

Real Time Clock Control Register (RTCCON) .................................................................................... 10-4

TICK Time Count Register (TICNT)..................................................................................................... 10-4

RTC ALARM Control Register (RTCALM)........................................................................................... 10-5

ALARM Second Data Register (ALMSEC) .......................................................................................... 10-6

ALARM Min Data Register (ALMMIN) ................................................................................................. 10-6

ALARM Hour Data Register (ALMHOUR) ........................................................................................... 10-6

ALARM Date Data Register (ALMDATE) ............................................................................................ 10-7

ALARM Mon Data Register (ALMMON) .............................................................................................. 10-7

ALARM Year Data Register (ALMYEAR) ............................................................................................ 10-7

BCD Second Register (BCDSEC) ....................................................................................................... 10-8

BCD Minute Register (BCDMIN) ......................................................................................................... 10-8

BCD Hour Register (BCDHOUR) ........................................................................................................ 10-9

BCD Date Register (BCDDATE).......................................................................................................... 10-9

BCD Day Register (BCDDAY) ............................................................................................................. 10-9

BCD Month Register (BCDMON) ........................................................................................................ 10-10

BCD Year Register (BCDYEAR) ......................................................................................................... 10-10

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S3C24A0A MICROPROCESSOR

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