DS3231 Maxim, DS3231 Datasheet - Page 8

• Manufacturer Part Number: DS3231
• Description: The DS3231 is a low-cost, extremely accurate I²C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal
• Manufacturer: Maxim

Extremely Accurate I
RTC/TCXO/Crystal
8
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V
GND
SCL
SDA
V
BAT
CC
X1
X2
I
ADDRESS REGISTER
2
CAPACITOR ARRAY
POWER CONTROL
OSCILLATOR AND
C INTERFACE AND
DECODE
DS3231
CONTROL LOGIC/
TEMPERATURE
2
DIVIDER
SENSOR
C-Integrated
1Hz
1Hz
SQUARE-WAVE BUFFER;
CLOCK AND CALENDAR
ALARM, STATUS, AND
VOLTAGE REFERENCE;
CONTROL REGISTERS
DEBOUNCE CIRCUIT;
PUSHBUTTON RESET
INT/SQW CONTROL
USER BUFFER
REGISTERS
(7 BYTES)
Block Diagram
V
CC
N
N
N
32kHz
INT/SQW
RST