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STD Frequency divider 1/3600

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Creation time: 2018-01-28 02:49:53
Update time: 2021-04-10 23:59:45
Description
**Frequency divider 1/3600** Will be used together with DS1307 RTC module to generate hourly pulse (from SQW/OUT configured to 1 Hz tick). DS1307 should run on VBAT only, divider module will run on 3.3V. Falling edge of pulse will be used to wake-up Atmel MCU from deep-sleep...
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ID Name Designator Footprint Quantity
1 CD4040BCN U1 DIP16 1
2 SN74HC08N U2 DIP14 1
3 4k7 R1 AXIAL-0.3 1
4 reset SW SW1 SWITCH-6X6X5_TH 1
5 OUTPUT U5 3PIN 1
6 INPUT U4 3PIN 1
7 100n C1,C2 RAD-0.1 2

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