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UM1479 Fiches technique(PDF) 22 Page - STMicroelectronics

No de pièce UM1479
Description  The M24LR64-R is a dual interface EEPROM which targets a wide range of applications
PDF  28 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM1479 Fiches technique(HTML) 22 Page - STMicroelectronics

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System overview
UM1479
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Doc ID 022381 Rev 1
If the photo sensor output is lower than the level defined as DARK level, it is logged as NO
LIGHT in the EEPROM.
2.1.5
Switch press for tamper event simulation
The SW3 is a pushbutton switch which is used for the simulation of tamper detection.
In the case of event logger mode:
Whenever this switch is pressed, an event is logged inside the EEPROM as tamper event.
In the case of data logger mode:
At every second, the system checks for switch press. If the switch is pressed then it is
logged as tamper, or else no tamper is logged inside the EEPROM.
2.2
Hardware layout
Figure 18 and 19 below show the component layout to help the user locate different
components/sections on the board.
Figure 18.
Hardware layout: data logger top



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