Chapter 15 Usb Host Controller; Overview; Usb Host Controller Block Diagram - Samsung S3C2416 User Manual

S3C2416X RISC MICROPROCESSOR
15

1 OVERVIEW

S3C2416 supports 2-port USB host interface as follows:
• OHCI Rev 1.0 compatible
• USB Rev1.1 compatible
Two down stream ports
•
• Support for both LowSpeed and FullSpeed USB devices
APP_SADR(8)
APP_SDATA(32)
HCI_DATA(32)
CONTROL
APP_MDATA(32)
HCI
HCM_ADR/
BUS
DATA(32)
CONTROL
EXT.FIFO STATUS
USB HOST CONTROLLER
HCI
SLAVE
BLOCK
CONTROL
OHCI
CONTROL
REGS
ED/TD_DATA(32)
ED/TD
STATUS(32)
HCI
MASTER
BLOCK
STATUS
HC_DATA(8)
DF_DATA(8)
Figure 15-1. USB Host Controller Block Diagram
RCF0_RegData(32)
USB
CONTROL
STATE
CONTROL
Cntl
LIST
PROCESSOR
CTRL
BLOCK
CTRL
ED&TD
REGS
RH_DATA(8)
64x8
FIFO
DF_DATA(8)
Cntl
64x8
FIFO
USB HOST CONTROLLER
ROOT HUB
REGS
PORT
TxEnl
ROOT
HUB TxDpls
PORT
&
HOST TxDmns
SIE
ROOT
RcvData
HSIE
HOST
RcvDpls
S/M
RcvDmns
PORT
DPLL
OHCI
1
X
USB
V
S/M
R
2
X
USB
V
S/M
R
HUB
&
SIE
S/M
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