USS-344 Datasheet, PDF (3/54 Pages) Agere Systems – USS-344 QuadraBus Four-Host PCI-to-USB OpenHCL Host Controller

Advance Data Sheet, Rev. 9
June 2001
USS-344 QuadraBus
Four-Host PCI-to-USB OpenHCI Host Controller
Description (continued)
USS-344 PCI-TO-USB OpenHCI HOST CONTROLLER
ADDRESS
DATA
CONTROL
HCI
SLAVE
BLOCK
DATA
ADDRESS/
DATA
CONTROL
HCI
MASTER
BLOCK
USB
STATE
CONTROL
LIST
PROCESSOR
BLOCK
FIFO
ROOT
HUB
AND
TX
HOST
SIE
OHCI
ROOT
HUB
HSIE
S/M
PORT
1
RX
DPLL
MIRQ121
KIRQ1I
A20I
IRQ1
IRQ12
A20MN
SMIN
CLK48STOP
PMEN
LEGACY
SUPPORT
POWER
MNGMNT
LOGIC
AD[31:0]
CBE[3:0]
REQN
GNTN
IDSEL
FRAMEN
IRDYN
TRDYN
DEVSELN
STOPN
PERRN
SERRN
PAR
PCI
ARBITER
INTA
INTB
INTC
INTD
POWER
MNGMNT
PCI CORE 0
POWER
MNGMNT
PCI CORE 1
POWER
MNGMNT
PCI CORE 2
POWER
MNGMNT
PCI CORE 3
LEGACY
LOGIC
USB HOST CONTROLLER
CORE 0
LEGACY
LOGIC
USB HOST CONTROLLER
CORE 1
LEGACY
LOGIC
USB HOST CONTROLLER
CORE 2
LEGACY
LOGIC
USB HOST CONTROLLER
CORE 3
USB
USB
USB
USB
Figure 1. USS-344 Interconnection Diagram
5-7828.r1
Agere Systems Inc.
3