Overview
- Onboard serial RTC chip DS1302
- Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
- Optional format : 24-hour OR 12-hour with an AM/PM indicator
- Supports trickle-charge for the backup battery
- Universal 32.768kHz crystal
- Onboard battery holder
- Features SPI interface, supports 3-wire and/or 4-wire sync serial communication
Specifications
- Operating voltage: 2.0V ~ 5.5V
- Backup battery voltage : 3.0V ~ 5.0V
- Operating temperature : 0°C ~ +70°C
- Power consumption : <1mW (keeping Clock and RAM data)
- Dimension : 31mm * 15mm
Applications
- Hand-held device
- Electronic watch
- Electronic clock
Development resources: demo codes, schematic, datasheets, etc.
Wiki: www.waveshare.com/wiki/DS1302_RTC_Board
Pacakge Content
