4 2013-02-13 www.fritzing.org SPI RTC module with battery backup and internal clock. DS3234 DS3234 ds3234 sparkfun Real Time Clock (RTC) SPI DS3234 32KHZ

CS

DIN

DOUT

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

INT_SQW

RST

SCLK

SCLK

VBAT

VCC