M41T00AUD データシートの表示（PDF） - STMicroelectronics

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M41T00AUD

Serial real-time clock (RTC) with audio

STMicroelectronics 

M41T00AUD

Application

Figure 4. Typical hookup example

3.3 V

Place near

pin 4

0.1 µF

Place near

pin 15

1.0 µF

3.3V 3.3V

M41T00AUD

TRICKLE

CHARGE

BATTERY

SWITCHOVER

VINT

Either/or, but

not both

6 VBACK

+

3.3 V

Lithium

Cell

Battery

(alternative)

SCL

SDA

32.768 kHz

R2 should

be a minimum

SCL 7

SDA 8

OSCI 1

OSCO 2

FBK 12

I2C

32 KHz

OSC

RTC

256/512 Hz

ONE GEN

5 IRQ/FT/OUT

Optional connection

to micro

Audio

In

Set R1’s to 2x

R2 for unity gain

R1x

AIN 10

VDD

2

AUDIO

SECTION

13 AOUT+

16 AOUT–

VDD

2

R1x

Optional: can

sum additional

audio inputs

Package Metal Heatsink:

exposed pad on back of

IC package

ai13325

Doc ID 13480 Rev 5

9/42

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