M5Stack Real Time Clock (RTC) Unit (HYM8563)

The RTC unit is a programmable real-time clock module, with integrated HYM8563 low-power CMOS real-time clock/calendar chip, using a I2C communication interface, a full-coverage case can effectively protect the circuit making its operation more stable.

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Features

• Support second/minute/hour/day/month/year. time data reading and writing
• 32.768kHz high-precision clock crystal, greatly reducing the time error
• Low power consumption, coin battery can work continuously for years
• With century mark
• I2C communication interface

Package Contents

• 1x Unit RTC
• 1x Coin cell battery (38mAh)
• 1x HY2.0-4P cable

Specifications

Specifications	Parameters
Clock chip	HYM8563
Crystal Frequency	32.768kHz
Communication interface	I2C, addr: 0x51, bus max speed 400Kbps
Power supply voltage	5V DC
Net weight	4.1g
Gross Weight	8.3g
Product Dimensions	48 x 24 x 8mm
Package Size	67 x 53 x 12mm

Resources

Documents