M41T82SQA6F View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

M41T82SQA6F

Serial RTC with battery switchover

STMicroelectronics 

Description

Figure 6. M41T82 block diagram

CRYSTAL

SDA

SCL

XI

32KHz

OSCILLATOR

XO

I2C

INTERFACE

WRITE

PROTECT

VCC < VRST

M41T82 M41T83

REAL TIME CLOCK

CALENDAR

OSCILLATOR FAIL

CIRCUIT

ALARM1

ALARM2

WATCHDOG

FT

FREQUENCY TEST

OUTPUT DRIVER

8-BIT COUNTER

USER SRAM (7 Bytes)

VCC

VBAT

VRST/VSO(1) COMPARE

1. VRST = VSO = 2.93V (S), 2.63V (R), and 2.32V (Z).

2. Open drain output

INTERNAL

POWER

trec

TIMER

RST(2)

AI11812

10/58

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