M41T83 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

M41T83

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

Share Link: