ADLINK Technology ROScube-Pico NPN Series, User Manual, Page: 29 / 37

Pinouts and Signal Descriptions
23
3.10 M.2 Socket Key E for Wi-Fi / BT (2230)
The ROSCube Pico provides one M.2 socket with E Key and a standoff for 2230 sized Wi-Fi/BT modules (Wi-Fi
5/Wi-Fi 6). This m.2 socket with E key is located at CN4 on the carrier board. The pin definition is as follows:
Type Signal Pin Pin Signal Type
Ground GND 1 2 +V3P3 Power
BI U2_USB2_DP 3 4 +V3P3 Power
BI U2_USB2_DN 5 6 N/C N/C
Ground GND 7 8 I2S1_SCLK In
N/C N/C 9 10 I2S1_LRCK In
N/C N/C 11 12 I2S1_DIN Out
N/C N/C 13 14 I2S1_DOUT In
N/C N/C 15 16 N/C N/C
N/C N/C 17 18 GND Ground
N/C N/C 19 20 N/C N/C
N/C N/C 21 22 M2_UART1_RX Out
N/C N/C 23
Key (24-31)
Ground GND 33 32 M2_UART1_TX In
In PCIE0_TX0_P 35 34 M2_UART1_CTS# Out
In PCIE0_TX0_N 37 36 M2_UART1_RTS# In
GND 39 48 N/C N/C
Out PCIE0_RX0_P 41 40 N/C N/C
Out PCIE0_RX0_N 43 42 N/C N/C
GND 45 44 N/C N/C
In PCIE0_CLK_P 47 46 N/C N/C
In PCIE0_CLK_N 49 48 N/C N/C
Ground GND 51 50 N/C N/C
Out PCIE0_CLKREQ# 53 52 PCIE0_RST# In
Out PCIE0_WAKE# 55 54 N/C N/C
Ground GND 57 56 N/C N/C
59 58 N/C N/C
61 60 N/C N/C
Ground GND 63 62 N/C N/C
65 64 N/C N/C
67 66 N/C N/C
Ground GND 69 68 N/C N/C
71 70 N/C N/C
73 72 +V3P3 Power
Ground GND 75 74 +V3P3 Power
Ground GND G1 G2 GND Ground
Table 16: M.2 Socket with E key Pin Definition
Note: Pins marked light red will not be used/supported with this Carrier Board.