Osbourne User Manual V0.21
Page 28
1.5 M.2 E-Key Socket (J7)
All TX/RX signals are with respect to the host. TX on the socket drives RX on the installed module, and RX on the
socket is driven by TX on the installed module. One mounting standoff is used at the far end of the module
installation site. This standoff is not connected to ground.
GND
1
2
3.3V
USB2_HUB_D2_P
3
4
3.3V
USB2_HUB_D2_N
5
6
NC
GND
7
8
I2S4_SCLK
SDMMC1_CLK
9
10
I2S4_FS
SDMMC1_CMD
11
12
I2S4_DIN
SDMMC1_D0
13
14
I2S4_DOUT
SDMMC1_D1
15
16
NC
SDMMC1_D2
17
18
GND
SDMMC1_D3
19
20
M2E_BT_WAKE
M2E_SDIO_WAKE
21
22
UART5_RX_1P8_M2E
M2E_SDIO_EN
23
32
UART5_TX_1P8_M2E
KEY
GND
33
34
UART5_CTS#_1P8_M2E
UPHY_TX21_P
35
36
UART5_RTS#_1P8_M2E
UPHY_TX21_N
37
38
NC
GND
39
40
NC
UPHY_RX21_P
41
42
M2E_AP_WAKE_BT
UPHY_RX21_N
43
44
NC
GND
45
46
NC
PEX_CLK6_P
47
48
NC
PEX_CLK6_N
49
50
CLK_32K_M2_E
GND
51
52
PEX_C7_RST_R_N
EX_C7_CLKREQ_N
53
54
BT_RST_N_M2E_CON
PEX_WAKE_N
55
56
W_DISABLE1
GND
57
58
I2C_GP9_DATA_R
NC
59
60
I2C_GP9_CLK_R
NC
61
62
M2E_ALERT_R_N
GND
63
64
NC
NC
65
66
NC
NC
67
68
NC
GND
69
70
NC
NC
71
72
3.3V
NC
73
74
3.3V
GND
75
76
GND
GND
77
