Switches, Buttons and Jumpers 7
miriac SBC-T1024 User Manual
V 2.3
62/70
© MicroSys Electronics GmbH 2017
Setting
SW 4-1
SW 4-2
Description
OFF
-
PCIe = root complex
ON
-
PCIe = endpoint
-
OFF
Not used
-
ON
Not used
Table 7-4
PCIe c
onfiguration switch settings
7.4
Reset Button
Pressing the reset switch “SW3” triggers a Hard Reset.
SW3 is connected to the reset input of a MAX6751KA29 chip via additional logic.
The resulting open drain reset signal is then inverted and fed to the microcontroller.
The following table shows the internal connections:
SW3
J17
ST4
Microcontroller
Pin
Signal
Pin
Pin
Signal
Pin
Name
1 & 3
+3,3V
2 & 4
RST-
BTN
($39166)
→
1
7
→
T136
RST-IN#
→
2
PTB7
Table 7-4 Reset button pinout
Figure 7-3 Reset Button
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