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A.3.3
Mini PCIE slot (MINIPCIE)
1654002538 MINI PCI E 52P 6.8mm 90D SMD AS0B226-S68N7H
Supports PCI1.1, PCI1.2 Power Definition
Pin
Signal
+3.3Vaux /
52
+3.3V
50
GND
48
+1.5V
46
NC
44
NC
42
NC
40
GND
38
USB_D+
36
USB_D-
34
GND
32
SMB_DATA
30
SMB_CLK
28
+1.5V
26
GND
24
+3.3Vaux
22
PERST#
W_DISABLE
20
#
18
GND
Key
16
NC
14
NC
12
NC
10
NC
8
NC
6
1.5V
4
GND
+3.3Vaux /
2
+3.3V
* +3.3Vaux was suspend Power , power out to device +3.3V/1.1A
* +3.3V was core power
* +1.5V was core power, power out to device +1.5V/0.5A
Description
PCI1.1 was +3.3V, PCI1.2 was +3.3Vaux 51
NC
NC
NC
USB serial data interface compliant to
the USB 2.0 specification
SMBus data signal compliant to the
SMBus 2.0 specification
Functional reset to the card
Active low signal. This signal is used by
the system to disable radio operation on
add-in cards that implement radio fre-
quency applications. When implemented,
this signal requires a pull-up resistor on
the card.
Key
NC
NC
NC
NC
NC
PCI1.1 was +3.3V , PCI1.2 was
+3.3Vaux
Pin
Signal
Description
Reserved
NC
49
Reserved
NC
47
Reserved
NC
45
Reserved
NC
The pin to select the Pin 2, 52 power
PIN43_MPCIE_
43
output for +3.3Vaux or +3.3V (PCI1.1
PWRSEL
was Reserved and PIC1.2 was GND
41
+3.3Vaux
39
+3.3Vaux
37
GND
35
GND
33
PETp0
PCI Express differential transmit pair
31
PETn0
29
GND
27
GND
25
PERp0
PCI Express differential receive pair
23
PERn0
21
GND
19
Reserved
NC
17
Reserved
NC
Key
Key
15
GND
13
REFCLK+
11
REFCLK-
9
GND
7
CLKREQ#
Reference clock request signal
5
NC
NC
3
NC
NC
Open Drain active Low signal. This sig-
nal is used to request that the system
1
WAKE#
return from a sleep/suspended state to
service a function initiated wake event.
23
TPC-651T/TPC-651H User Manual
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