vt83c572 ETC-unknow, vt83c572 Datasheet - Page 6

• Manufacturer Part Number: vt83c572
• Description: Pci To Usb Controller
• Manufacturer: ETC-unknow

AD[31:0]
CBE#[3:0]
IDSEL
FRAME#
IRDY#
TRDY#
DEVSEL#
STOP#
PAR
PERR#
SERR#
LOCK#
REQ#
GNT#
INTA #
PCLK
PCIRST#
SD0+
SD0-
SD1+
SD1-
X1
X2
SMI#
VDD
VSS
VDDA
VSSA
Signal Name
VIA Technologies, Inc.
98-100, 1-5, 9-
14, 17-19, 31,
32, 34-36, 38,
39, 41, 42, 44-
47, 49, 50
7, 20, 33, 40
8
21
22
23
24
26
30
27
28
29
97
96
95
93
92
88
89
84
85
71
70
51
6, 16, 43, 54,
63, 73, 82, 90,
94
15, 25, 37, 48,
55, 69, 72, 83,
91
87
86
Pin No.
VT83C572 P
I/O
O
O
O
O
B
B
B
B
B
B
B
B
B
B
B
B
B
B
Universal Serial Bus Interface
I
I
I
I
I
I
I
I
I
I
PCI Address/Data Bus: The standard PCI address and data lines. The
address is driven with FRAME# assertion and data is driven or
received in following cycles.
Command/Byte Enable..
Initialization Device Select.
PCI Bus Frame Indicator.
Initiator Ready Indicator.
Target Ready.
Device Select.
Stop Indicator.
Parity.
PCI Bus Parity Error.
System Error.
PCI Bus Lock.
PCI bus request to the bus arbiter.
PCI bus grant from the bus arbiter.
PCI Interrupt Request.
PCI Bus Clock.
PCI Reset: An active low reset signal for the PCI bus.
USB Port 0 Data
USB Port 0 Data
USB Port 1 Data
USB Port 1 Data
USB Clock input, connected to 48Mhz oscillator or crystal input.
USB 48Mhz crystal connection. Leave unconnected if oscillator is
used.
System Management Interrupt to the processor for legacy keyboard
and mouse support.
Power Supply of 4.5 to 5.5V.
Ground
USB Differential Output Power Source
USB Differential Output Ground
Power and Ground
PCI Bus Interface
CPU Interface
-4-
IN
D
ESCRIPTION
Signal Description
VT83C572