vt83c572 ETC-unknow, vt83c572 Datasheet - Page 4

• Manufacturer Part Number: vt83c572
• Description: Pci To Usb Controller
• Manufacturer: ETC-unknow

VIA Technologies, Inc.
7-6
08
B-9
0C
0D
0E
0F
23-20
3C
3D
3E-3F
40
bit 4:
bit 3:
bit 1:
bit 0:
bit 15:
bit 14:
bit 13:
bit 12:
bit 11:
bit 10-9: DEVSEL# timing: fixed at 01 (medium)
bit 8-0: reserved
bit 31-16:reserved
bit 15-5: Port address for the base USB IO Registers, corresponding to AD[15:5]
bit 4-0: 00001b
bit 7:
bit 6:
bit 5:
bit 4:
bit 3:
bit 2:
bit 2:
Misc. Control Register 1
PCI Memory Command Option
0 - Support Memory Read Line, Memory Read Multiple, Memory Write and Invalidate
1 - Only support Memory Read, Memory Write Commands
Babble Option
0 - Automatically disable babbled port when EOF babble occurs.
1 - Don’t disable babbled port.
PCI Parity Check Option
0 - Disable PERR generation
1 - Enable parity check and PERR generation
reserved
USB Data Length Option
0 - Support TD length up to 1280.
1 - Support TD length up to 1023.
USB Power Management
Memory write and invalidate, default: disabled
Fixed at 0 (special cycles)
Bus master, default: disabled
Memory space, default: disabled
I/O space, default: disabled
reserved
Signaled system error
Received master abort
Received target abort
Signaled target abort
Status Register
Revision ID.
Class Code Register:
Cache Line Size
Latency Timer
Header Type = 00h
BIST
Base address for UHCI v1.1 compliant USB IO Registers
Interrupt Line
Interrupt Pin, Default = 01h
reserved
Fixed at 0C0300h to indicate the USB Controller
Default: 00h
Default: 16h
Fixed at 00
(read only)
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VT83C572