CONTENTS
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Chip Overview............................................................................................................................1
Functional Description................................................................................................................2
2.1 Summary ..........................................................................................................................2
2.2 Alarm function modes......................................................................................................4
2.3 Timer................................................................................................................................4
2.4 CLKOUT output ..............................................................................................................4
2.5 Reset.................................................................................................................................4
2.6 Voltage-low detector........................................................................................................4
2.7 Register organization .......................................................................................................5
2.7.1 Control/Status 1 register........................................................................................6
2.7.2 Control/Status 2 register........................................................................................6
2.7.3 Seconds, Minutes and Hours registers ..................................................................7
2.7.4 Days, Weekdays, Months/Century and Years registers ........................................7
2.7.5 Alarm registers......................................................................................................9
2.7.6 CLKOUT frequency register...............................................................................10
2.7.7 Countdown timer registers ..................................................................................10
2.8 EXT_CLK test mode......................................................................................................11
2.9 Power-On Reset override mode .....................................................................................12
Serial interface ..........................................................................................................................12
3.1 I2C Specification ............................................................................................................12
3.2 I2C of AT8563................................................................................................................14
Parameters.................................................................................................................................15
Application Reference...............................................................................................................19
5.1 Crystal frequency adjustment.........................................................................................19
Package outline .........................................................................................................................20
6.1 DIP-8..............................................................................................................................20
6.2 SO8 ................................................................................................................................21
6.3 TSSOP8..........................................................................................................................21
6.4 MSOP8...........................................................................................................................22
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涕囗嶦嬳轢祵戤暭间儐厜 Tel：0755-36917049 Mobile：13530382140 暢僬瓃 Fax：0755-29502958
Narda-ATM [ Narda-ATM ]
