TCC76 Datasheet, PDF (136/259 Pages) List of Unclassifed Manufacturers – 32-bit RISC Microprocessor For Digital Media Player

TCC76x
Specification Rev. 0.07
32-bit RISC Microprocessor for Digital Media Player
February 23, 2005
USB CONTROLLER
9.4 Register Description for USB Host Controller
The USB host controller complies with OHCI Rev 1.0. Refer to the specification of
OHCI (Open Host Controller Interface) Rev 1.0 for more detailed information.
The following figure illustrates a block diagram of USB host controller.
APP_SADR(8)
APP_SDATA(32)
HCI_DATA(32)
CONTROL
APP_MDATA(32)
HCM_ADR/
DATA(32)
CONTROL
RCF0_RegData(32)
HCI
Slave
Block
CONTROL
USB
State
Control
OHCI
Registers
CONTROL
CONTROL
LIST
ED/
Processor
TD_DATA(32)
Block
HCI
Master
Block
ED/
TD_STATUS(32)
ED & TD
Registers
STATUS
HC_DATA(8)
DF_DATA(8)
64x8 FIFO
Control
CONTROL
ROOT Hub
&
Host SIE
CONTROL
CONTROL
HSIE
S/M
RH_DATA(8)
DF_DATA(8)
DPLL
TxEnl
TxDpls
TxDmns
RcvData
RcvDpls
RcvDmns
OHCI
Root Hub
Registers
PORT
S/M
ROOT Hub
&
Host SIE
PORT
S/M
X
V ^USB
R
EXT FIFO STATUS
64x8
FIFO
Figure 9.1 USB Host Controller Block Diagram
Preliminary
9-14