GL9701 PCI ExpressTM to PCI Bridge
The following notations are used to describe signal type:
Signal Type
Description
I
Input pin.
O
Output pin
TS
STS
Tri-state input/output pin.
Sustained Tri-State is an active low tri-state
Signal owned and driven by one and only one agent at a time.
Power pin
P
OD
Open Drain allows multiple devices to share as a wire-OR.
Low-voltage differential output
LVDO
LVDI
Low-voltage differential input
Table 3.1-Signal Type
3.3Numeric Pin Assignment List
Pin Number
Pin Name
VSS33
Type
Pin Number
Pin Name
GPIO6
Type
1
P
65
66
67
68
69
70
71
72
73
74
75
76
TS
I
2
VDD33
AD26
P
REQ2_N
3
TS
TS
TS
TS
TS
TS
TS
TS
P
GNT2_N
O
I
4
AD25
CLKRUN_N
CLKRUN_N_EN
VSS18_AUX
VDD18_AUX
VSSGR
5
AD24
TS
P
6
CBE3_N
AD23
7
P
8
AD22
P
9
AD21
REFCLKP
REFCLKN
VDDPLL
LVDI
LVDI
P
10
11
12
AD20
VSS33
VDD33
P
VSSPLL
P
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