pITX-iMX8M – User Guide Rev. 1.4
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6.20.
M.2 Connector (B-Key) (J1)
Figure 28: M.2 Connector (B-Key)
Table 38: Pin Assignment
Signal/Function
M.2 Signal
Pin
Pin
M.2 Signal
Signal/Function
V_3V3_M2, +3.3V S0
filtered
3.3V
2
1
CONFIG_3
M2_CONFIG_3,
Pull-up to 3.3V S0
V_3V3_M2
(V_3V3_S0)
3.3V
4
3
GND
GND
M2_FULL_CARD_
POWER_OFF# pulled
up to V_3V3_M2
FULL_CARD_POWER
_OFF# (O) (0/1.8V
or 3.3V)
6
5
GND
GND
W_DISABLE# Pulled
up to V_3V3_M2
iMX8M GPIO5_IO29
(ALT5)
W_DISBALE1# (O)
(0/3.3V)
8
7
USB_D+
US
NC
GPIO_9/DAS/DSS#
(I/O)/LED# (I)
(0/3.3V)
10
9
USB_D-
USB3_M2_D-
NC
Connector Key
12
11
GND
GND
NC
Connector Key
14
13
Connector Key
NC
NC
Connector Key
16
15
Connector Key
NC
NC
Connector Key
18
17
Connector Key
NC
NC
GPIO_5 (I/O)(0/1.8V)
20
19
Connector Key
NC
NC
GPIO_6 (I/O)(0/1.8V)
22
21
CONFIG_0
M2_CONFIG_0,
Pull-up to 3.3V M2
NC
GPIO_7 (I/O)(0/1.8V)
24
23
GPIO_11
(I/O)(0/1.8V)
NC
GPIO_10
(I/O)(0/1.8V)
26
25
DPR (O) (0/1.8V)
NC
GPIO_8 (I/O)(0/1.8V)
28
27
GND
GND
UIM_RST
UIM-RESET (I)
30
29
PERn1/USB3.0-Rx-/
SSIC-RxN
USB3_SSRX_M2-
UIM_CLK
UIM-CLK (I)
32
31
PERp1/USB3.0-Rx+/
SSIC-RxP
USB3_
UIM_DATA
UIM-DATA (I/O)
34
33
GND
GND
UIM_PWR
UIM-PWR (I)
36
35
PETn1/USB3.0-Tx-/
SSIC-TxN
USB3_SSTX_M2-
1
Summary of Contents for 44011-0208-13-2
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