Advantech RSB-3730 User Manual page 18

2.4.2.2 RTC Battery Connector (BAT)
RSB-3730 supports a lithium 3V_210mAH CR2032 battery with wafer box.
Table 2.8: RTC Battery Connector (BAT)
Pin
1
2
2.4.2.3 M.2 (M2)
RSB-3730 supports the socket1 connectivity type 2230 S1&S2&S3 E-Key M.2 inter-
face. The detailed pin definitions are as shown below.
Table 2.9: M.2 (M2)
Pin
1
3
5
7
9
11
13
15
17
19
21
23
Mechanical
Key
33
35
37
39
41
43
RSB-3730 User Manual
Description
+COIN_RTC
GND
Figure 2.3 DC RTC Battery Connector
Signal Name
GND
USB_M2_D+
USB_M2_D-
GND
SD1_CLK
SD1_CMD
SD1_DATA0
SD1_DATA1
SD1_DATA2
SD1_DATA3
SD1_WAKE#
SD1_RESET#
Mechanical Key
GND
PCIE_TXN_P
PCIE_TXN_N
GND
PCIE_RXN_P
PCIE_RXN_N
Pin Signal Name
2 +V3.3_M2
4 +V3.3_M2
6 NC
8 NC
10 NC
12 NC
14 NC
16 NC
18 GND
20 UART1_WAKE#_3V3
UART1_RX_M2 (co-lay to
22 UIO2 COM1_RXD according
to BOM option)
Mechanical
Mechanical Key
Key
UART1_TX_M3 (co-lay to
32 UIO2 COM1_TXD according
to BOM option)
34 UART1_CTS#_M2
36 UART1_RTS#_M2
38 NC
40 NC
42 NC
44 NC
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