XIO2000AI TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS], XIO2000AI Datasheet - Page 18

• Manufacturer Part Number: XIO2000AI
• Description: PCI Express to PCI Bus Translation Bridge
• Manufacturer: TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS]

Introduction
8
N
M
H
G
D
C
P
L
K
J
F
F
E
B
A
FRAME
C/BE[1]
M66EN
VCCP
SERR
PRST
PRST
TRDY
AD31
AD26
AD23
AD19
AD13
INTB
SCPS155C
1
1
DEVSEL
C/BE[3]
C/BE[2]
LOCK
LOCK
AD30
AD27
AD21
AD17
AD15
AD12
INTC
AD11
INTA
PAR
2
2
Figure 2−2. XIO2000A/XIO2000AI ZHH Microstar BGA Package (Bottom View)
CLKRUN
SERIRQ
GPIO0//
PERR
STOP
AD28
AD24
AD20
AD18
AD16
AD14
AD10
INTD
CLK
AD9
3
3
C
PWR_OVER
GPIO1//
VDD_33
VDD_15
VDD_33
VDD_33
C/BE[0]
GPIO2
GPIO3
VCCP
AD29
AD25
AD22
IRDY
AD8
4
G
G
4
GPIO4 // SCL
GPIO5 // SDA
VDD_15
VDD_33
GPIO6
AD7
AD6
AD5
5
5
VDD_33
GPIO7
RSVD
RSVD
RSVD
VSS
VSS
VSS
AD1
AD3
AD4
AD2
6
6
CLKOUT0
VDD_33
RSVD
RSVD
RSVD
RSVD
GNT0
REQ0
VSS
VSS
VSS
AD0
7
7
CLKOUT1
VDD_33
VDD_33
VDD_15
RSVD
RSVD
GNT1
REQ1
VSS
VSS
VSS
VSS
VSS
8
8
CLKOUT2
VDD_33
VDD_33
VDD_33
RSVD
RSVD
REQ2
GNT3
VSS
VSS
VSS
VSS
9
9
CLKOUT3
CLKOUT4
VDD_33
VDD_33
RSVD
RSVD
RSVD
GNT3
REQ3
10
10
CLKOUT5
VDDA_33
VDDA_15
VDDA_15
VDD_33
VDD_33
RSVD
RSVD
VSSA
VSSA
VSSA
GNT4
GNT5
GNT5
REQ4
VSS
11
11
V
April 2007 Revised October 2008
EXT_ARB_EN CLKRUN_EN
VDDA_15
VDDA_33
VDD_33_
VDD_15
COMBIO
VDD_33_
PERST
RSVD
RSVD
VSSA
VSSA
VSSA
REQ5
PME
12
12
AUX
REF1_PCIE
VDDA_15
REFCLK+
CLKOUT6
VDD_15_
RSVD
RSVD
VSSA
GRST
COMB
RXN
VSS
TXN
VSS
13
13
REFCLK_SEL
REF0_PCIE
REFCLK−
VDD_33_
VDD_15
RSVD
RSVD
RSVD
RSVD
WAKE
RSVD
COMB
VSSA
RXP
TXP
14
14
R
M
M
P
P
N
N
K
K
H
H
G
G
F
F
E
E
D
D
C
C
B
B
A
A
L
L
J
J