M41T81M(2006) 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

M41T81M
(Rev.:2006)

Serial access Real-Time Clock with alarm

STMicroelectronics 

M41T81

Summary description

Figure 3. Block diagram

CRYSTAL

SDA

SCL

VCC

32KHz

OSCILLATOR

I2C

INTERFACE

WRITE

PROTECT

REAL TIME CLOCK

CALENDAR

RTC W/ALARM AFE

& CALIBRATION

WATCHDOG

SQWE

SQUARE WAVE

FREQUENCY TEST FT

OUTPUT DRIVER OUT

INTERNAL

POWER

IRQ/FT/OUT/SQW(1,2)

VBAT

VSO(3) COMPARE

1. Open drain output

2. Square Wave function has the highest priority on IRQ/FT/OUT/SQW output.

3. VSO = VBAT – 0.5V (typ)

AI04616

7/30

Share Link: