82801FB Datasheet, PDF (368/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

LPC Interface Bridge Registers (D31:F0)
10.3 Timer I/O Registers (LPC I/F—D31:F0)
Port
40h
41h
42h
43h
Aliases
50h
51h
52h
53h
Register Name
Counter 0 Interval Time Status Byte Format
Counter 0 Counter Access Port
Counter 1 Interval Time Status Byte Format
Counter 1 Counter Access Port
Counter 2 Interval Time Status Byte Format
Counter 2 Counter Access Port
Timer Control Word
Timer Control Word Register
Counter Latch Command
Default Value
0XXXXXXXb
Undefined
0XXXXXXXb
Undefined
0XXXXXXXb
Undefined
Undefined
XXXXXXX0b
X0h
Type
RO
R/W
RO
R/W
RO
R/W
WO
WO
WO
368
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet