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| AN2583 Datasheet, PDF (2/18 Pages) STMicroelectronics – M41T00AUD real-time clock with audio | |||
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Typical application
1
Typical application
Figure 1. M41T00AUD block diagram
AN2583
VDD
VDD
M41T00AUD
TRICKLE
CHARGE
VCC
uC
I2C
I2C
2
(SDA,
SCL)
OSCI
OSCO
AUTOMATIC
BATTERY
SWITCHOVER
& DESELECT
VINT
REFERENCE
VPFD=2.80V
WRITE
PROTEC T
400kHz I2C
INTERFACE
32KHz
OSCILLATOR
Audio-in
FBK
AIN
VDD
2
SECS
MINS
HOURS
DATE
DAY
MONTH
YEAR
CENTURY BITS
CALIBRATION
OUT
OSCILLATOR
FAIL DETECT
256/512Hz
AUDIO
LPF
ADJ
GAIN
VSS
VBACK
IRQ/FT/OUT
AOUT+
AOUT â
VBIAS
ai13927
2/18
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