UHP112
Two-Port PCI-to-USB OpenHCI Host Controller
Description
(continued)
UHP112 PCI-TO-USB OpenHCI HOST CONTROLLER
ROM
BIOS
MASTER
FIFOs
ADDRESS
W DATA
ADDRESS/
DATA
MUX
DATA
R DATA
ADDRESS
ADDRESS
R DATA
W DATA
PCI BUS
GLUE
SLAVE
FIFOs
IDSEL
CONFIG.
BLOCK
PCI
SLAVE
CONTROL
PCI
MASTER
CONTROL
INTR.
BLOCK
F-BUS CONTROL
ADDRESS
DATA
DATA
CONTROL
DATA
HCI CONTROL
CONTROL
USB
SLAVE
STATE
BLOCK
CONTROL
OHCI
REG
CONTROL
LIST
PROCESSOR CONTROL
BLOCK
CONTROL
DATA
ED AND TD CONTROL
REGS
STATUS
DATA
DATA
STATUS
64 x 8
FIFO
CONTROL
DATA
ADDRESS
DATA
DATA
DATA
ROOT
HUB
AND
HOST
SIE
CLOCK
MUX
12/1.5
RX
ADDRESS/
DATA
PARITY
OHCI
ROOT
HUB
PORT
1
PORT
2
TX
USB
USB
DATA
ADDRESS/
DATA
CONTROL
HCI
MASTER
BLOCK
HSIE
S/M
DPLL
FIFO STATUS
PCI
CONTROL
INTA
F-BUS IRQ
FIFO
64 x 8
5-5596.b
Figure 1. UHP112 Interconnection Diagram
Applicable Documents and Specifications
PCI Local Bus Specification Revision 2.1s.,
June 1, 1995. PCI Special Interest Group.
Universal Serial Bus Specification Revision 1.1.,
September 23, 1998. Compaq/Digital Equipment Corporation/
IBM PC Company/Intel/Microsoft/NEC/Northern Telecom.
OpenHCI Open Host Controller Interface Specification for USB Release 1.0a.,
July 31, 1997. Compaq/Microsoft/
National Semiconductor.
PCI Bus Power Management Interface Specification Revision 1.1.,
December 18, 1998. PCI Special Interest
Group.
2
Transdimension Inc.
OXFORD [ OXFORD SEMICONDUCTOR ]
