ST70137TQFP STMICROELECTRONICS [STMicroelectronics], ST70137TQFP Datasheet - Page 3

• Manufacturer Part Number: ST70137TQFP
• Description: UNICORNTM PCI & USB CONTROLLERLESS ADSL DMT TRANSCEIVER
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST70137
SOFTWARE ARCHITECTURE
3/22
Win32 kernel
UHCD.SYS
UHCI (Intel)
USBD SYS - MS Bus Driver
USB Device
USB Driver
OHCI (NEC and Others)
OHCD.SYS
Modem SW
Netscape, NetMeeting, etc.
Hw Abstraction Layer
User Applications:
Control
NDIS 5
PCI Device
PCI Driver
Data
Trace Tools
Registry
Kernel Level
User Mode
Hardware
Ring 0:
Ring 3: