A.4
HDMI Connector (CN1)
Table A.4: HDMI Display Connector
Pin
1
3
5
7
9
11
13
15
17
19
A.5
M.2 Connector
Table A.5: M.2 B Key Connector Pin Assignments
Pin
Signal Name
1
M2_SATA1_DET
3
GND
5
GND
7
M2_LTE_USB_DP
9
M2_LTE_USB_DN
11
GND
13
Mechanical notch B
15
Mechanical notch B
17
Mechanical notch B
19
Mechanical notch B
21
NC
23
WAKE_ON_WAN#
25
NC
27
GND
UNO-127 User Manual
Signal
TMDS Data2+
TMDS Data2-
TMDS Data1 Shield
TMDS Data0+
TMDS Data0-
TMDS Clock Shield
CEC
SCL
DDC/CEC/HEC Ground
Hot Plug Detect
24
Pin
Signal
2
TMDS Data2 Shield
4
TMDS Data1+
6
TMDS Data1-
8
TMDS Data0 Shield
10
TMDS Clock+
12
TMDS Clock-
14
Reserved
16
SDA
18
+5 V Power (max 50 mA)
Pin
Signal Name
2
+V3.3_M2
4
+V3.3_M2
6
M2_LTE_PWR_OFF#
8
M2_LTE_W1_DISABLE_N
10
+V3.3_M2
12
Mechanical notch B
14
Mechanical notch B
16
Mechanical notch B
18
Mechanical notch B
20
NC
22
NC
24
NC
26
M2_LTE_W2_DISABLE_N
28
NC