M41T00AUDD1F 查看數據表（PDF） - STMicroelectronics

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M41T00AUDD1F

Serial real-time clock (RTC) with audio

STMicroelectronics 

M41T00AUD

2

Pin settings

2.1

Pin connection

Figure 2. Pin connection

OSCI 1

OSCO 2

VSS 3

VCC 4

IRQ/FT/OUT 5

VBACK 6

SCL 7

SDA 8

16 AOUT–

15 VCC

14 VSS

13 AOUT+

12 FBK

11 VBIAS

10 AIN

9 NC

ai13323

Pin settings

2.2

Pin description

Table 1.

VCC

OSCI

OSCO

SCL

SDA

AIN

VBIAS

VSS

AOUT–

AOUT+

Pin description

Symbol

IRQ/FT/OUT

VBACK

FBK

NC

No name; exposed pad on back of IC

package

Name and function

Supply voltage

Oscillator input

Oscillator output

I2C serial clock

I2C serial data

Audio input

Input for decoupling capacitor

Ground

Analog out, 180 phase

Analog out, 0 phase

Interrupt output for oscillator fail detect, frequency

test output for calibration, or discrete logic output

Backup supply voltage

Feedback; connect feedback resistor between this

pin and AIN

No connection

Must be connected to ground

Doc ID 13480 Rev 5

7/42

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