vt82c586a ETC-unknow, vt82c586a Datasheet - Page 36

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

Offset 13-10 - Pri Data / Command Base Address.......... RW
Specifies an 8 byte I/O address space.
Offset 17-14 - Pri Control / Status Base Address............ RW
Specifies a 4 byte I/O address space of which only the third
byte is active (i.e., 3F6h for the default base address of 3F4h).
Offset 1B-18 - Sec Data / Command Base Address ........ RW
Specifies an 8 byte I/O address space.
Offset 1F-1C - Sec Control / Status Base Address .......... RW
Specifies a 4 byte I/O address space of which only the third
byte is active (i.e., 376h for the default base address of 374h).
Offset 23-20 - Bus Master Control Regs Base Address .. RW
Specifies a 16 byte I/O address space compliant with the SFF-
8038i rev 1.0 specification.
Preliminary Revision 0.1 October 13, 1996
31-16 Reserved
31-16 Reserved
31-16 Reserved
31-16 Reserved
31-16 Reserved
15-3 Port Address....................................... default=01F0h
15-2 Port Address....................................... default=03F4h
15-3 Port Address ...................................... default=0170h
15-2 Port Address ...................................... default=0374h
15-4 Port Address ....................................... default=CC0h
2-0
1-0
2-0
1-0
3-0
Fixed at 001b ..................................................... fixed
Fixed at 01b ....................................................... fixed
Fixed at 001b ..................................................... fixed
Fixed at 01b ....................................................... fixed
Fixed at 0001b .................................................. fixed

..........................................always read 0
..........................................always read 0
..........................................always read 0
..........................................always read 0
..........................................always read 0
-30-
Offset 3C - Interrupt Line (0Eh) ..................................... RW
Offset 3D - Interrupt Pin (00h) ......................................... RO
Offset 3E - Min Gnt (00h) ................................................. RO
Offset 3F - Max Latency (00h).......................................... RO
7-0
Interrupt Routing Mode
00h Legacy mode interrupt routing............... default
01h Native mode interrupt routing
Register Descriptions
VT82C586A