
4.2. Interfaces
4.2.1. PCI Express
PCIe Signals
Differential PCIe reference clock output
Differential PCIe transmit data pair
Differential PCIe receive data pair
I2C interface data, some PICe device need SMB interface for
special configuration
I2C interface clock, some PICe device need SMB interface for
special configuration
Reference Schematic
C80 0.1UF/25V/4
C62 0.1UF/25V/4
C87 0.1UF/25V/4
R58 10K/4
+3.3V_VCC
UIM_VPP
UIM_DATA
PCIE_WAKE#13
C61 0.1UF/25V/4
+3.3V_VCC
C83 0.1UF/25V/4
C78 0.1UF/25V/4
KEY
J9
FOXCONN_AS0B226-S99Q-7H
WAKE#
1
RSVD1
3
RSVD2
5
CLKREQ#
7
GND1
9
REFCLK-
11
REFCLK+
13
GND2
15
RSVD3
17
RSVD4
19
GND3
21
PER_N0
23
PER_P0
25
GND4
27
GND5
29
PET_N0
31
PET_P0
33
GND6
35
RSVD5
37
RSVD6
39
RSVD7
41
RSVD8
43
RSVD9
45
RSVD10
47
RSVD11
49
RSVD12
51
+3V_1
2
GND7
4
+1.5V_1
6
RSVD13
8
RSVD14
10
RSVD15
12
RSVD16
14
RSVD17
16
GND8
18
RSVD18
20
PERST#
22
+3V_AUX
24
GND9
26
+1.5V_2
28
SMB_CLK
30
SMB_DATA
32
GND10
34
USB_D-
36
USB_D+
38
GND11
40
LED_WWAN#
42
LED_WLAN#
44
LED_WPAN#
46
+1.5V_3
48
GND12
50
+3V_2
52
GND
57
GND
58
+3.3V_VCC
LED3 LTST-C190KGKT_GRN
C A
+1.5_VCC
LED2 LTST-C190KGKT_GRN
C A
LED_WLAN#
+3.3V_VCC
C89 0.1UF/25V/4
+3.3V_VCC
LED_WPAN#
LED4 LTST-C190KGKT_GRN
C A
UIM_VPP
UIM_DATA
+1.5_VCC
+3.3V_VCC
UIM_RST
UIM_CLK
UIM_PWR
R90 330/4
LED_WWAN#
LED_WPAN#
LED_WLAN#
+1.5_VCC
+1.5_VCC
R89 330/4
UIM_RST
UIM_CLK
UIM_PWR
R88 330/4
C85 4.7UF/16V/6
I2C4_SDA 8,13
+3.3V_VCC
PCIE_RXM13
PCIE_TXM13
PCIE_CLK1_N13
PCIE_TXP13
PCIE_RXP13
PCIE_RST# 13
PCIE_CLK1_P13
I2C4_SCL 8,13
LED_WWAN#
C65 4.7UF/16V/6
DOWN_USB_PA2+ 13
DOWN_USB_PA2- 13
J10
WIN WING_WSCD-06ACP1U4
VCC
1
RESET
2
CLK
3
GND
4
VPP
5
I/O
6
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