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ST72361AR4-Auto Datasheet(PDF) 247 Page - STMicroelectronics

Part # ST72361AR4-Auto
Description  Clock, reset and supply management
PDF  279 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72361AR4-Auto Datasheet(HTML) 247 Page - STMicroelectronics

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ST72361xx-Auto
Electrical characteristics
Doc ID 12468 Rev 3
247/279
Tips when using the LVD
1.
Check that all recommendations related to reset circuit have been applied (see RESET
circuit design recommendations)
2.
Check that the power supply is properly decoupled (100nF + 10µF close to the MCU).
Refer to AN1709. If this cannot be done, it is recommended to put a 100 nF + 1M
 pull-
down on the RESET pin.
3.
The capacitors connected on the RESET pin and also the power supply are key to
avoiding any start-up marginality. In most cases, steps 1 and 2 above are sufficient for a
robust solution. Otherwise: replace 10nF pull-down on the RESET pin with a 5 µF to
20 µF capacitor.
Figure 114. RESET RPU vs VDD
19.10.2
ICCSEL/ VPP pin
Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified.
Figure 115. Two typical applications with ICCSEL/VPP pin
1.
When ICC mode is not required by the application ICCSEL/VPP pin must be tied to VSS.
3.5
4
4.5
5
5.5
Vdd
0
20
40
60
80
100
Ta=-45C
Ta=25C
Ta=130C
Table 108.
ICCSEL/VPP pin characteristics
Symbol
Parameter
Conditions
Min
Max
Unit
VIL
Input low level voltage(1)
1.
Data based on design simulation and/or technology characteristics, not tested in production.
VSS
0.2
V
VIH
Input high level voltage(1)
VDD-0.1
12.6
IL
Input leakage current
VIN =VSS
±1
µA
ICCSEL/VPP
ST72XXX
10k
PROGRAMMING
TOOL
VPP
ST72XXX



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