31
GETTING TO KNOW YOUR E
cho-40F
Pin No.
Signal Name
Pin No.
Signal Name
51
Reserved
52
+3.3Vaux
49
Reserved
50
GND
47
Reserved
48
+1.5V
45
Reserved
46
Reserved
43
Status
44
Reserved
41
+3.3Vaux
42
Reserved
39
+3.3Vaux
40
GND
37
GND
38
USB_D+
35
GND
36
USB_D-
33
PETp0
34
GND
31
PETn0
32
SMB_DATA
29
GND
30
SMB_CLK
27
GND
28
+1.5V
25
PERp0
26
GND
23
PERn0
24
+3.3Vaux
21
GND
22
PERST#
19
Reserved
20
reserved
17
Reserved
18
GND
Mechanical Key
15
GND
16
UIM_VPP
13
14
UIM_RESET
11
REFCLK-
12
UIM_CLK
9
GND
10
UIM_DATA
7
CLKREQ#
8
UIM_PWR
5
Reserved
6
1.5V
3
Reserved
4
GND
1
WAKE#
2
3.3Vaux
The pin assignments of CN18 are listed in the following table:
