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Figure 4-4, Reset logic, Functional description – Artesyn COMX-P1022 Installation and Use (July 2014) User Manual

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Functional Description

COMX-P1022 COM Express Module Installation and Use (6806800M04C)

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M41ST85WMX6TR will pull WDT_RESET# low when VCC is below Vpfd=2.6V, thus realize the
power fail reset function and power-on Reset.

Figure 4-4

Reset Logic