W83977A Winbond Electronics Corp America, W83977A Datasheet - Page 99

• Manufacturer Part Number: W83977A
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

9.3.15
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
(MOUSCIEN and MOUSCISTS)
0
1
2
3
4
5
6-7
9.3.16 General Purpose Event 0 Enable Register 2 (GP0EN2)
Register Location:
Default Value:
Attribute:
Size:
Bit
URBSCIEN
URASCIEN
FDCSCIEN
PRTSCIEN
KBCSCIEN
MOUSCIEN
Reserved
General Purpose Event 0 Enable Register 1 (GP0EN1)
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
MOUSE
Reserved.
<CR62,
00h
Read/write
5
<CR62,
00h
Read/write
SCI
4
63> + 2H System I/O Space
63> + 3H System I/O Space
SCI
enable, which controls the KBC IRQ.
3
enable, which controls the MOUSE IRQ.
2
1
-89 -
0
URBSCIEN
URASCIEN
FDCSCIEN
PRTSCIEN
KBCSCIEN
MOUSCIEN
Reserved
Reserved
Description
(KBCSCIEN and KBCSCISTS) or
Publication Release Date:March 1998
W83977TF
PRELIMINARY
Revision 0.62