M41T64(2004) 查看數據表（PDF） - STMicroelectronics

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M41T64
(Rev.:2004)

Serial Access Real-Time Clock with Alarms

STMicroelectronics 

M41T62/63/64/65

Figure 10. M41T62 Block Diagram

XTAL

32KHz

OSCILLATOR

SDA

SCL

I2C

INTERFACE

Note: 1. Open Drain.

2. Defaults to 32KHz on power-up.

Figure 11. M41T63 Block Diagram

XTAL

32KHz

OSCILLATOR

SDA

SCL

I2C

INTERFACE

Note: 1. Open Drain.

2. Defaults to 32KHz on power-up.

Figure 12. M41T64 Block Diagram

XTAL

32KHz

OSCILLATOR

SDA

SCL

I2C

INTERFACE

Note: 1. Defaults enabled on power-up.

2. Open Drain.

REAL TIME CLOCK

CALENDAR

OSCILLATOR FAIL OFIE

DETECT

RTC W/ALARM AFE

WATCHDOG

SQUARE WAVE

SQWE

IRQ/OUT(1)

SQW(2)

AI08899a

REAL TIME CLOCK

CALENDAR

OSCILLATOR FAIL

DETECT

RTC W/ALARM

WATCHDOG

SQUARE WAVE

SQWE

WDO(1)

SQW(2)

AI09191

32kE

REAL TIME CLOCK

CALENDAR

OSCILLATOR FAIL

DETECT

RTC W/ALARM

WATCHDOG

SQUARE WAVE

SQWE

F32k(1)

SQW(2)

AI09192

6/31

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