Connector Settings - Advantech RSB-4221 User Manual

2.2.2

Connector Settings

2.2.2.1 RTC Battery Connector (CN9)
RSB-4221 supports a lithium 3V/210mAH CR2032 battery with wire via battery con-
nector.
2.2.2.2 M.2 (CN11)
RSB-4221 supports socket1 connectivity type 2230 S1&S2&S3 key EM.2 interface.
Detailed pin definitions below.
Pin
1
3
5
7
9
11
13
15
17
19
21
23
Mechanical Key
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
RSB-4221 User Manual
Figure 2.1 DC RTC Battery Connector
Signal Name
GND
USB_HOST_DP
USB_HOST_DN
GND
SDIO_CLK
SDIO_CMD
SDIO_DAT0
SDIO_DAT1
SDIO_DAT2
SDIO_DAT3
SDIO_WAKE
SDIO_R_RESET
Mechanical Key
NC
GND
NC
NC
GND
NC
NC
GND
NC
NC
GND
NC
NC
GND
NC
NC
GND
NC
NC
10
Pin Signal Name
2 +3.3V
4 +3.3V
6 WLAN_LED
8 NC
10 NC
12 NC
14 NC
16 BT_LED
18 GND
20 NC
22 UART1_TXD_1V8
Mechanical Key Mechanical Key
32 UART1_RXD_1V8
34 UART1_RTS_1V8
36 UART1_CTS_1V8
38 NC
40 NC
42 NC
44 NC
46 NC
48 NC
50 SUS_CLK
52 NC
54 W_DISABLE2#
56 W_DISABLE1#
58 NC
60 SUS_CLK
62 NC
64 NC
66 NC
68 NC