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7.14. M.2 Key E 2230 Slot (M2E1)
The 3.5"-SBC-WLU supports M.2 modules in format 2230 with Key E. The M.2 specification supports PCIe x1, USB 2.0
and / or CNVi signals. The slot can be used to integrate WLAN (Wi-Fi or CNVi Wi-Fi) and / or Bluetooth communication
to the mainboard.
Figure 25: M.2 Key E 2230 Slot M2E1
Table 31: Pin Assignment M2E1
Pin
Key E*
Signal
1
GND
2
+3.3V
3
USB_D+
4
+3.3V
5
USB_D-
6
LED1#
7
GND
8
PCM_CLK
9
-
10
PCM_SYNC
11
-
12
PCM_IN
13
GND
14
PCM_OUT
15
-
16
LED2#
17
-
18
GND
19
GND
20
UART_WAKE#
21
-
22
UART_RX
23
-
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Description
Ground
3.3 V power supply
USB 2.0 data diff. pair (+)
3.3 V power supply
USB 2.0 data diff. pair (-)
Device active signal 1
Ground
PCM synchronous data clock
PCM synchronous data sync
PCM synchronous data input
Ground
PCM synchronous data output
Device active signal 2
Ground
Ground
UART wake-up
UART data input
CNVi*
Signal
Description
GND
Ground
+3.3V
3.3 V power supply
-
+3.3V
3.3 V power supply
-
LED1#
Device active signal 1
GND
Ground
-
WGR_D1N
CNVio bus Rx Lane 1 (-)
LCP_RSTN
RF companion (CRF) reset
WGR_D1P
CNVio bus Rx Lane 1 (+)
-
GND
Ground
CLKREQ0
Clock request
WGR_D0N
CNVio bus Rx Lane 0 (-)
LED2#
Device active signal 2
WGR_D0P
CNVio bus Rx Lane 0 (+)
GND
Ground
GND
Ground
-
WGR_CLKN
CNVio bus Rx clock (-)
BRI_RSP
BRI bus Rx
WGR_CLKP
CNVio bus Rx clock (+)
3.5"-SBC-WLU - User Guide, Rev. 1.0
Note
// 45
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