Signal Description
2.11.2
Power Planes
Table 2-14. Intel® 6702PXH 64-bit PCI Hub Platform Power Planes
Plane
Signal
Description
Core Voltage
1.5V
VCC
Provides the core power for the Intel® 6702PXH 64-bit
PCI Hub.
PCI Express* Voltage
1.5V
VCCEXP
VCC15
VCC33
VCC25
Provides Voltage for the PCI Express Interface.
1.5V I/O Voltage
1.5V
1.5V I/O Voltage.
PCI/PCI-X Mode 1 Voltage
3.3V
Provides 3.3V for the PCI and PCI-X Mode 1 operations.
Needed for Bandgap Analog Filter.
Bandgap Voltage
2.5V
2.11.3
Signals and Default States
Table 2-15. Intel® 6702PXH 64-bit PCI Hub Signals and Default States (Sheet 1 of 3)
Signal
Power Plane
Type
During Reset
Immediately After Reset
HAATNLED_1#
3.3V
O
High-Z
HAATENLED_1#: Undefined
HAPWREN_1
HPA_PRST#
HPA_RST2#
HPA_SIC
3.3V
3.3V
O
O
O
I
High-Z
High
Pulled High
High
3.3V
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
Undefined
High-Z
High-Z
High-Z
High-Z
High
3.3V
Undefined
Undefined
Pulled High
Undefined
Undefined
Undefined
Undefined
Pulled High
Pulled High
Pulled High
Pulled High
Undefined
Pulled High
Pulled High
Pulled High
HPA_SID
3.3V
I
HPA_SIL#
HPASLOT[3]
HPASLOT[2]
HPASLOT[1]
HPASLOT[0]
HPASOC
3.3V
I
3.3V
I
3.3V
I
3.3V
I
3.3V
I
3.3V
O
O
O
O
I
HPASOD
3.3V
HPASOL
3.3V
HPASOLR
PA133EN
3.3V
3.3V
PAACK64#
PAAD[63:0]
PACBE_[7]#
3.3V/1.5V
3.3V/1.5V
3.3V/1.5V
I/O
I/O
I/O
32
Intel® 6702PXH 64-bit PCI Hub Datasheet
INTEL [ INTEL ]
