Spi/I2C3 (J26); Connector (B-Key) (J1); Table 34: Spi/I2C Pin Assignment; Table 35: Pin Assignment - Kontron pITX-iMX8M User Manual

6.18. SPI/I2C3 (J26)

Table 34: SPI/I2C Pin Assignment

Pin Function
1 I2C3_SCL_3V3
2 GND
3 I2C3_SDA_3V3
4
NC
5 QSPI_IO1 (MISO)
6
V_3V3_SPI
7 QSPI_CLK
8 QSPI_IO0 (MOSI)
9 QSPI_CS#
10 GND
6.19. M.2 Connector (B-Key) (J1)

Figure 27: M.2 Connector (B-Key)

Table 35: Pin Assignment

Signal/Function
V_3V3_M2, +3.3V S0
filtered
V_3V3_M2
(V_3V3_S0)
M2_FULL_CARD_
POWER_OFF# pulled
up to V_3V3_M2
W_DISABLE# Pulled
up to V_3V3_M2
iMX8M GPIO5_IO29
(ALT5)
NC
Direction
Out
In/Out
In/Out
Power
In/Out
In/Out
In/Out
Ground
1
M.2 Signal Pin
3.3V 2
3.3V 4
FULL_CARD_POWER 6
_OFF# (O) (0/1.8V
or 3.3V)
W_DISBALE1# (O) 8
(0/3.3V)
10
GPIO_9/DAS/DSS#
Description
+3.3V fused power rail,
Pin M.2 Signal
1 CONFIG_3
3 GND
5 GND
7 USB_D+
9
USB_D-
www.kontron.com
pITX-iMX8M – Rev. 1.1
Signal/Function
M2_CONFIG_3,
Pull-up to 3.3V S0
GND
GND
USB3_M2_D+
USB3_M2_D-
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