M41T62 datasheet(9/40 Pages) STMICROELECTRONICS

Il numero della parte	M41T62

Spiegazioni elettronici	Serial Access Real-Time Clock with Alarms

PDF	40 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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9 / 40 page

M41T62/63/64/65

Summary description

9/40

Figure 9.

M41T62 block diagram

Open drain.

Defaults to 32KHz on power-up.

Figure 10.

M41T63 block diagram

Open drain.

Defaults to 32KHz on power-up.

Table 2.

Signal names

Oscillator input

Oscillator output

SDA

Serial data input/output

SCL

Serial clock input

IRQ/OUT

Interrupt or OUT output (open drain)

IRQ/FT/OUT

Interrupt, frequency test, or OUT output (open drain)

SQW

Programmable square wave - defaults to 32KHz on power-up (open drain for

M41T64 only)

F32K

Dedicated 32KHz output (M41T64 only)

WDO

Watchdog timer output (open drain)

VCC

Supply voltage

VSS

Ground

REAL TIME CLOCK

CALENDAR

RTC W/ALARM

OSCILLATOR FAIL

DETECT

SQUARE WAVE

WATCHDOG

IRQ/OUT

(1)

SQW

(2)

OFIE

SDA

SCL

AFE

SQWE

I2C

INTERFACE

32KHz

OSCILLATOR

XTAL

AI08899a

REAL TIME CLOCK

CALENDAR

RTC W/ALARM

OSCILLATOR FAIL

DETECT

SQUARE WAVE

WATCHDOG

SQW

(2)

WDO

(1)

SDA

SCL

SQWE

I2C

INTERFACE

32KHz

OSCILLATOR

XTAL

AI09191

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