w83977atf Winbond Electronics Corp America, w83977atf Datasheet - Page 181
w83977atf
Manufacturer Part Number
w83977atf
Description
Winbond I/o
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977ATF.pdf
(207 pages)
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9.3.15 General Purpose Event 0 Enable Register 1 (GP0EN1)
Register Location:
Default Value:
Attribute:
Size:
These bits are used to enable the device's IRQ sources into the SCI logic. The SCI logic output for
the IRQs is as follows:
SCI logic output = (URBSCIEN and URBSCISTS) or (URASCIEN and URASCISTS) or (FDCSCIEN
and FDCSCISTS) or (PRTSCIEN and PRTSCISTS) or (KBCSCIEN and KBCSCISTS) or
(MOUSCIEN and MOUSCISTS) or (IRSCIEN and IRSCISTS)
9.3.16 General Purpose Event 0 Enable Register 2 (GP0EN2)
Register Location:
Default Value:
Attribute:
Size:
Bit
0
1
2
3
4
5
6
7
URBSCIEN
URASCIEN
FDCSCIEN
PRTSCIEN
KBCSCIEN
MOUSCIEN
IRSCIEN
Reserved
Name
7
8 bits
8 bits
6
UART B SCI enable, which controls the UART B IRQ.
UART A SCI enable, which controls the UART A IRQ.
FDC SCI enable, which controls the FDC IRQ.
Printer port SCI enable, which controls the printer port IRQ.
KBC SCI enable, which controls the KBC IRQ.
MOUSE SCI enable, which controls the MOUSE IRQ.
IR SCI enable, which controls the IR IRQ.
Reserved.
<CR62,
00h
Read/write
<CR62,
00h
Read/write
5
4
63> + 2H System I/O Space
63> + 3H System I/O Space
3
2
1
-125 -
0
Description
URBSCIEN
URASCIEN
FDCSCIEN
PRTSCIEN
KBCSCIEN
MOUSCIEN
IRSCIEN
Reserved
Publication Release Date:April 1998
W83977ATF
PRELIMINARY
Revision 0.53
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