W712 Datasheet, PDF (5/17 Pages) OKI electronic componets – Universal Serial Bus Controller 0.5uM Technology Mega Macrofunction

–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– s W712 USB Device Controller s
Clock
Z712a
DPLL
To USB Transceiver
Protocol Engine
W712
W712b
Status/Control
FIFO Control
Application
Interface
To
Application
Module
To FIFO’s
(data path)
To FIFO’s
(control)
To FIFO’s
(data path)
Figure 2. W712 Block Diagram
Clock
USB Cable
ASIC
Optional
External
DPLL
USB
Transceiver
DPLL
W712 Mega Macrofunction
Status/
Control
Protocol
Engine
FIFO
Control
Application
Interface
Application
Module
External
Module I/O
Data Path
FIFO(s)/ _{Data Path}
Data Mux(s)
Figure 3. Example USB Mega Macrofunction Application
Oki Semiconductor
3