USS344 Ver la hoja de datos (PDF) - Agere -> LSI Corporation
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USS344 Datasheet PDF : 54 Pages
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USS-344 QuadraBus
Four-Host PCI-to-USB OpenHCI Host Controller
Advance Data Sheet, Rev. 9
June 2001
Pin Information (continued)
Table 2. PCI Signals
Pin
Symbol*
Type
Description
111
RSTN
Input
PCI Reset (Active-Low).
113
CLK
Input
PCI System Clock (33 MHz).
116
REQN Output/3-State PCI Request (Active-Low).
115
GNTN
Input
PCI Grant (Active-Low).
120, 121, 122, 125, 126, 127, 128,
3, 6, 7, 10, 11, 12, 13, 16, 17, 32,
35, 36, 37, 38, 41, 42, 43, 47, 48,
49, 50, 53, 54, 55, 56
AD[31:0]
Bidir
PCI Address and Data.
30
PAR
Bidir
PCI Parity.
4, 18, 31, 44
C/BEN[3:0]
Bidir
PCI Bus Command and Byte Enables.
19
FRAMEN
Bidir
PCI Cycle Frame (Active-Low).
22
IRDYN
Bidir
PCI Initiator Ready (Active-Low).
23
TRDYN
Bidir
PCI Target Ready (Active-Low).
25
STOPN
Bidir
PCI Stop (Active-Low).
5
IDSEL
Input
PCI Initialization Device Select.
24
DEVSELN
Bidir
PCI Device Select (Active-Low).
26
PERRN
Bidir
PCI Parity Error (Active-Low).
29
SERRN Output/Open Drain PCI System Error (Active-Low).
105
INTAN Output/Open Drain PCI Interrupt A (Active-Low).
108
INTBN Output/Open Drain PCI Interrupt B (Active-Low).
109
INTCN Output/Open Drain PCI Interrupt C (Active-Low).
110
INTDN Output/Open Drain PCI Interrupt D (Active-Low).
119
PMEN Output/Open Drain Power Management Event (Active-Low).
1, 9, 15, 20, 28, 33, 39, 46, 52, 59, VDD
65, 73, 80, 106, 112, 118, 124
Power
3.3 V VDD.
2, 8, 14, 21, 27, 34, 40, 45, 51, 57, VSS
60, 66, 74, 107, 114, 117, 123
Power
VSS.
58
VIO
Power
PCI Environment Selection (3.3 V or 5 V).
* An N following the symbol names indicates active-low for the USS-344.
Table 3. USB Port Signals
Pin
Symbol*
Type
89
DPLS0
Bidir
90
DMNS0
Bidir
91
DPLS1
Bidir
92
DMNS1
Bidir
95
DPLS2
Bidir
96
DMNS2
Bidir
97
DPLS3
Bidir
98
DMNS3
Bidir
76
PRTPWR0
Bidir
78
PRTPWR1
Bidir
101
PRTPWR2
Bidir
103
PRTPWR3
Bidir
* An N following the symbol names indicates active-low for the USS-344.
Description
USB Port 0 DPLUS.
USB Port 0 DMINUS.
USB Port 1 DPLUS.
USB Port 1 DMINUS.
USB Port 2 DPLUS.
USB Port 2 DMINUS.
USB Port 3 DPLUS.
USB Port 3 DMINUS.
USB Port 0 Power Enable (Active-Low).
USB Port 1 Power Enable (Active-Low).
USB Port 2 Power Enable (Active-Low).
USB Port 3 Power Enable (Active-Low).
6
Agere Systems Inc.
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