M41T00_08 STMICROELECTRONICS [STMicroelectronics], M41T00_08 Datasheet - Page 17
M41T00_08
Manufacturer Part Number
M41T00_08
Description
Serial real-time clock
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M41T00_08.pdf
(25 pages)
- Current page: 17 of 25
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3.2
Note:
3.3
Figure 13. Clock calibration
Output driver pin
When the FT bit is not set, the FT/OUT pin becomes an output driver that reflects the
contents of D7 of the control register. In other words, when D6 of address 7 is a zero and D7
of address 7 is a zero and then the FT/OUT pin will be driven low.
The FT/OUT pin is open drain which requires an external pull-up resistor.
Initial power-on defaults
Upon initial application of power to the device, the FT bit will be set to a '0' and the OUT bit
will be set to a '1'. All other register bits will initially power on in a random state.
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
AI00594B
17/25
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