Figure 8 display the highlighted 9 pin connector J304 on bottom side of SoM_IoT_2V0 printed circuit board. This connector allocate the large-scale integrated circuit R-IN32M3-EC with external SPI and additional Timer Array Unit signals.
Pin 19 (TAUJ2_CH0)
Pin 20
Pin 21 Timer Array Unit channel 0. This pin can be used as input TAUJ2TTIN0 or as output TAUJ2TTOUT0. This pin is multiplexed on port P27 of R-IN32M3-EC. For interrupts and peripheral modulessee also User’s Manual R18UZ0007EJ1100 chapter 14 Timer Array Unit (TAUJ2)
Pin 20 (TAUJ2_CH1) Timer Array Unit channel 1. This pin can be used as input TAUJ2TTIN1 or as output TAUJ2TTOUT1. This pin is multiplexed on port P26 of R-IN32M3-EC.
Pin 21 (TAUJ2_CH2) Timer Array Unit channel 2. This pin can be used as input TAUJ2TTIN2 or as output TAUJ2TTOUT2. This pin is multiplexed on port P57 of R-IN32M3-EC.
Pin 22 (GND) Ground
Pin 23
Pin 24
Pin 25
Pin 26
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