W83C553F Datasheet, PDF (88/159 Pages) Winbond – SYSTEM I/O CONTROLLER WITH PCI ARBITER

W83C553F
Electrical Specifications
Clear Mask Register
Type:
Write only
Bit Description:
Bits [7:0]:
Reserved. Writing this register will clear the mask bits of all channels.
Write All Mask Register (default = 0Fh)
Type:
Write only
Bit Description:
Bits [7:4]:
Bit 3:
Bit 2:
Bit 1:
Bit 0:
Reserved.
Channel 3
Channel 2
Channel 1
Channel 0
0 enable, 1 mask
WINBOND SYSTEMS LABORATORY
85