AOM-DB3500 M.2 E1 Key——WIFI/BT

M2_E1 Key Pin define

M2_E1 M2_E1 Connector Pin Definition
Pin	Signal	I/O	Description
1	GND		Ground
2	+V3.3E_M.2		3.3 V source
3	USB5_Z_D+	I/O	USB Data + Differential serial data
4	+V3.3E_M.2		3.3 V source
5	USB5_Z_D-	I/O	USB Data - Differential serial data
6	LED1#_M2	O	The Adapters’ status indicators via LED devices.
7	GND		Ground
8	N/A		Not Applicable
9	N/A		Not Applicable
10	N/A		Not Applicable
11	N/A		Not Applicable
12	N/A		Not Applicable
13	N/A		Not Applicable
14	N/A		Not Applicable
15	N/A		Not Applicable
16	LED2#_M2	O	The Adapters’ status indicators via LED devices.
17	N/A		Not Applicable
18	GND		Ground
19	N/A		Not Applicable
20	UART1_E1_WAKE#	O	UART sideband used to Wake up Platform.
21	N/A		Not Applicable
22	SER1_RX_M2	O	UART Receive Data
23	N/A		Not Applicable
24-31	Module key		Module key
32	SER1_TX_M2	I	UART Transmit Data
33	GND		Ground
34	SER1_CTS#_M2	O	UART Clear to Send connected.
35	PCIE20_A_TX+	I	PCIe TX Differential signals.
36	SER1_RTS#_M2	I	UART Ready to Send connected.
37	PCIE20_A_TX-	I	PCIe TX Differential signals
38	N/A		Not Applicable
39	GND		Ground
40	N/A		Not Applicable
41	PCIE20_A_RX+	O	PCIe RX Differential signals
42	N/A		Not Applicable
43	PCIE20_A_RX-	O	PCIe RX Differential signals
44	N/A		Not Applicable
45
46	N/A		Not Applicable
47
48	N/A		Not Applicable
49
50
51
52
53
54
55
56
57
58
59	N/A		Not Applicable
60
61	N/A		Not Applicable
62
63	GND		Ground
64	N/A		Not Applicable
65	N/A		Not Applicable
66	N/A		Not Applicable
67	N/A		Not Applicable
68	N/A		Not Applicable
69	GND		Ground
70	N/A		Not Applicable
71	N/A		Not Applicable
72	+V3.3E_M.2		3.3 V source
73	N/A		Not Applicable
74	+V3.3E_M.2		3.3 V source
75	EKEY_CARD_PRSNT#	I	The Signal is to control TS3A44159PWR and TS3A27518ERTWR output.