UHP112 Datasheet, PDF (7/8 Pages) Oxford Semiconductor – Two-Port PCI-to-USB OpenHCI Host Controller - Product Brief

UHP112
Two-Port PCI-to-USB OpenHCI Host Controller
Pin Information (continued)
Table 2. Pin Descriptions (continued)
Pin Symbol*
Type
Description
75
SERRN Output/Open Drain PCI System Error (Active-Low).
76
PAR
Bidir
PCI Parity.
77
C/BEN1
Bidir
PCI Command/Byte Enable.
78
AD15
79
AD14
80
VSS
81
VDD
82
AD13
83
AD12
84
AD11
85
VSS
86
AD10
87
AD9
88
AD8
89
C/BEN0
90
VSS
91
VIO
92
VDD
93
AD7
94
AD6
95
AD5
96
VSS
97
KIRQ1I
98
VDD
99
AD4
100
AD3
Bidir
Bidir
Power
Power
Bidir
Bidir
Bidir
Power
Bidir
Bidir
Bidir
Bidir
Power
Power
Power
Bidir
Bidir
Bidir
Power
Input
Power
Bidir
Bidir
PCI Address/Data Bit.
PCI Address/Data Bit.
Device Ground.
Device Power (3.3 V).
PCI Address/Data Bit.
PCI Address/Data Bit.
PCI Address/Data Bit.
Device Ground.
PCI Address/Data Bit.
PCI Address/Data Bit.
PCI Address/Data Bit.
PCI Command/Byte Enable.
Device Ground.
Voltage I/O. This signal is used to indicate to the UHP112 the PCI
signaling interface to use (3 V or 5 V PCI signaling). A 3 V on VIO
will indicate 3 V PCI signaling while 5 V on VIO will indicate 5 V PCI
signaling. This pin may be connected directly to the PCI VIO signal.
Device Power (3.3 V).
PCI Address/Data Bit.
PCI Address/Data Bit.
PCI Address/Data Bit.
Device Ground.
Legacy Keyboard Controller Interrupt Input.
Device Power (3.3 V).
PCI Address/Data Bit.
PCI Address/Data Bit.
* Active-low signals within this document are indicated by an N following the symbol names.
Transdimension Inc.
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