vt82c586a ETC-unknow, vt82c586a Datasheet - Page 40

• Manufacturer Part Number: vt82c586a
• Description: Integrated Peripheral Controller
• Manufacturer: ETC-unknow

Universal Serial Bus Controller Registers (Function 2)
This USB host controller interface is fully compatible with
UHCI specification v1.1.
accessible registers: PCI configuration registers and USB I/O
registers. The PCI configuration registers are located in the
function 2 PCI configuration space of the VT82C586A. The
USB I/O registers are defined in the UHCI v1.1 specification.
PCI Configuration Space Header
Offset 1-0 - Vendor ID ....................................................... RO
Offset 3-2 - Device ID ......................................................... RO
Offset 5-4 - Command ....................................................... RW
Offset 7-6 - Status ........................................................... RWC
Preliminary Revision 0.1 October 13, 1996
15-8 Reserved
10-9 DEVSEL# Timing
0-7
0-7
8-0
15
14
13
12
11
7
6
5
4
3
2
1
0
Vendor ID ................. (1106h = VIA Technologies)
Device ID
Address Stepping ...................... default=0 (disabled)
Reserved (parity error response) ..................fixed at 0
Reserved (VGA palette snoop) ....................fixed at 0
Memory Write and Invalidate . default=0 (disabled)
Reserved (special cycle monitoring) ............fixed at 0
Bus Master ............................... default=0 (disabled)
Memory Space........................... default=0 (disabled)
I/O Space
Reserved (detected parity error).......... always reads 0
Signalled System Error.............................. default=0
Received Master Abort.............................. default=0
Received Target Abort .............................. default=0
Signalled Target Abort .............................. default=0
Reserved

00 Fast
01 Medium ......................................default (fixed)
10 Slow
11 Reserved
(3038h = VT82C586A USB Controller)
........................................ always reads 0
............................... default=0 (disabled)
........................................ always reads 0
There are two sets of software
-34-
Offset 8 - Revision ID (nnh) .............................................. RO
Offset 9 - Programming Interface (00h) .......................... RO
Offset A - Sub Class Code (03h) ....................................... RO
Offset B - Base Class Code (0Ch) ..................................... RO
Offset 0D - Latency Timer ............................................... RW
Offset 0E - Header Type (00h) .......................................... RO
Offset 23-20 - USB I/O Register Base Address ............... RW
Offset 3C - Interrupt Line (00h) ...................................... RW
Offset 3D - Interrupt Pin (04h) ........................................ RW
31-16 Reserved
15-5 USB I/O Register Base Address. Port Address for
7-0
7-0
4-0
Silicon Revision Code (0 indicates first silicon)
Timer Valuedefault = 16h
the
corresponding to AD[15:5]
00001b
base
of
........................................ always reads 0
the
USB
I/O
Register Descriptions
VT82C586A
Register
block,