Rainbow-electronics DS3231 Manual do Utilizador descarregar pdf (Página 8)

DS3231

Extremely Accurate I

2

C-Integrated

RTC/TCXO/Crystal

8 _____________________________________________________________________

Block Diagram

N

N

N

RST

V

CC

32kHz

INT/SQW

CLOCK AND CALENDAR

REGISTERS

USER BUFFER

(7 BYTES)

I

2

C INTERFACE AND

ADDRESS REGISTER

DECODE

POWER CONTROL

V

CC

V

BAT

GND

SCL

SDA

TEMPERATURE

SENSOR

CONTROL LOGIC/

DIVIDER

PUSHBUTTON RESET;

SQUARE-WAVE BUFFER;

INT/SQW CONTROL

CONTROL AND STATUS

REGISTERS

OSCILLATOR AND

CAPACITOR ARRAY

X1

X2

DS3231

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 18 19

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