M.2接口

M.2 Slot (M.2)

RSB-4680 supports M.2 2230 Key.E slot with SDIO, I2C and USB interface.

Pin	Signal Name	Pin	Signal Name
1	GND	2	+3.3V_M2
3	USB_M.2_P	4	+3.3V_M2
5	USB_M.2_N	6	WLAN_LED
7	GND	8	NC
9	M2_SDIO_CLK	10	NC
11	M2_SDIO_CMD	12	NC
13	M2_SDIO_DAT0	14	NC
15	M2_SDIO_DAT1	16	BT_LED
17	M2_SDIO_DAT2	18	GND
19	M2_SDIO_DAT3	20	NC
21	M2_SDIO_DAT1	22	UART0_RX
23	M2_SDIO_DAT1
Mechanical Key	Mechanical Key	Mechanical Key	Mechanical Key
	NC	32	UART0_TX
33	GND	34	UART0_CTSN
35	NC	36	UART0_RTSN
37	NC	38	NC
39	GND	40	NC
41	NC	42	NC
43	NC	44	NC
45	GND	46	NC
47	NC	48	NC
49	NC	50	SUS_CLK
51	GND	52	NC
53	NC	54	W_DISABLE2#
55	NC	56	W_DISABLE1#
57	GND	58	NC
59	NC	60	NC
61	NC	62	NC
63	GND	64	NC
65	NC	66	NC
67	NC	68	NC
69	GND	70	NC
71	NC	72	+3.3V_M2
73	NC	74	+3.3V_M2
75	GND