Figure 4 display the highlighted 9 pin connector J302 on bottom side of SoM_IoT_1V2 printed circuit board. This connector allocate the large-scale integrated circuit R-IN32M3-EC with external SPI and additional SYNC signals. Furthermore the power supply pins VCC33 and GROUND are connected on J202.
Pin 10 (P1ACT) offers ethernet port 1 activity indicator signal associated with R-IN32M3-EC Port RP04.
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