M41T00AUD_12 STMICROELECTRONICS [STMicroelectronics], M41T00AUD_12 Datasheet - Page 10
![no-image](/images/no-image-200.jpg)
M41T00AUD_12
Manufacturer Part Number
M41T00AUD_12
Description
Serial real-time clock (RTC) with audio
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M41T00AUD_12.pdf
(42 pages)
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Operation
4
10/42
Operation
The M41T00AUD clock operates as a slave device on the serial bus. Access is obtained by
implementing a start condition followed by the correct slave address (D0h). The 10 bytes
contained in the device can then be accessed sequentially in the following order:
Table 2.
The M41T00AUD continually monitors V
below V
counter. Inputs to the device will not be recognized at this time to prevent erroneous data
from being written to the device from an out of tolerance system. When V
the device automatically switches over to the backup battery or capacitor and powers down
into an ultra low current mode of operation to conserve battery life. Upon power-up, the
device switches from battery to V
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
Byte address
PFD
, the device terminates an access in progress and resets the device address
List of registers
Seconds register
Minutes register
Century/hours register
Day register
Date register
Month register
Years register
Calibration/control register
Audio register
Control2 register
Doc ID 13480 Rev 5
CC
at V
CC
SO
for an out of tolerance condition. Should V
and recognizes inputs.
Contents
CC
falls below V
M41T00AUD
CC
SO
fall
,
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