GL9701 PCI ExpressTM to PCI Bridge
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
AD7
TS
TS
TS
TS
TS
P
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
PCICLKI
INTB_N
INTC_N
INTD_N
GNT3_N
GNT1_N
PCIRST_N
VSS18
I
AD6
I
AD5
I
AD4
I
AD3
O
O
O
P
VSS18
VDD18
AD2
P
TS
TS
TS
P
AD1
VDD18
VSS33
P
AD0
P
VSS33
VDD33
GPIO0
GPIO1
GPIO2
PROMCS
PROMDO
PROMDI
PROMSK
VDD33
REQ1_N
GNT0_N
REQ0_N
AD31
P
P
I
TS
TS
TS
O
O
I
TS
TS
TS
TS
TS
AD30
O
AD29
I
AD28
O
AD27
3.4 Signal Description
3.4.1 PCI-Express Interface
Name
TXP,
Type
Description
LVDO
Transmitter differential pair
Receiver differential pair
TXN
RXP,
LVDI
LVDI
RXN
REFCLKP,
REFCLKN
PERST_N
RTERM
100 MHz differential clock input
I
I
External reset, low active
Connect to a resistor for calibration
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