VT82C686B ETC-unknow, VT82C686B Datasheet - Page 73

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VT82C686B

Manufacturer Part Number
VT82C686B
Description
Manufacturer
ETC-unknow
Datasheet
7HFKQRORJLHV ,QF
Offset 88 – PLL Test ......................................................... RW
7
PCS0# Access Status
6
RTC Rx32 / Rx7F Write Protect
0
Disable ...................................................default
1
Enable
5
MC IRQ Test (Do Not Program)
0
Disable ...................................................default
1
Enable
4
PLL PU (Do Not Program)
0
Disable ...................................................default
1
Enable
3
PLL Test Mode (Do Not Program)
0
Disable ...................................................default
1
Enable
2-0
PLL Test Mode Select
Offset 89 – PLL Control ................................................... RW
7-4
Reserved
........................................ always reads 0
3-2
PLL PCLK Input Delay Select
1-0
PLL CLK66 Feedback Delay Select
Revision 1.71 June 9, 2000
Offset 8A – PCS2/3 I/O Port Address Mask ................... RW
7-4
PCS3# I/O Port Address Mask 3-0
3-0
PCS2# I/O Port Address Mask 3-0
Offset 8B – PCS Control .................................................. RW
7
PCS3# For Internal I/O
0
Disable................................................... default
1
Enable
6
PCS2# For Internal I/O
0
Disable................................................... default
1
Enable
5
PCS1# For Internal I/O
0
Disable................................................... default
1
Enable
4
PCS0# For Internal I/O
0
Disable................................................... default
1
Enable
3
PCS3#
0
Disable................................................... default
1
Enable
2
PCS2#
0
Disable................................................... default
1
Enable
1
PCS1#
0
Disable................................................... default
1
Enable
0
PCS0#
0
Disable................................................... default
1
Enable
Offset 8D-8C – PCS2# I/O Port Address ........................ RW
15-0 PCS2# I/O Port Address
Offset 8F-8E – PCS3# I/O Port Address ......................... RW
15-0 PCS3# I/O Port Address
-67-
Function 0 Registers - PCI to ISA Bridge
VT82C686B

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