w83c554f Winbond Electronics Corp America, w83c554f Datasheet - Page 27
![no-image](/images/no-image-200.jpg)
w83c554f
Manufacturer Part Number
w83c554f
Description
System I/o Controller With Pci Arbiter & Ultradma/33 Ide Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83C554F.pdf
(156 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
W83C554F
Manufacturer:
Winbond
Quantity:
1 831
- Current page: 27 of 156
- Download datasheet (3Mb)
W83C554F
WINBOND ELECTRONICS CORP. AMERICA
FERR#/IRQ13
Pin Name
INT
NMI
INIT
SPKR
PWRGD
IGNNE# /
HRESET#
Pin #
10
11
3
134
2
12
4
Table 2-7. CPU Interface and Miscellaneous Signals
Input/
Output
Output
Output
Output
Output
Input
Input
Output
Description
Interrupt. Interrupt signal from the W83C554F interrupt controller to the
CPU.
Non-Maskable Interrupt.
It functions as Initialize CPU/Software Reset (INIT) when the W83C554F
is in x86 mode, as determined by pin 8 strapping after reset. INIT is
asserted for four PCI clocks following one of these events:
Speaker Data. This output drives an externally buffered speaker.
Power good signal from the power supply. This signal is used to generate
other reset signals to reset the system.
This multi-function pin's default function is Interrupt Request 13 (IRQ13).
The Numerical Co-processor Error (FERR#) function may be enabled by a
bit in the Function 0 PCI Configuration Space AT System Control Register
(Index 4Eh, bit 4).
This multi-function pin functions as Ignore Numeric Error (IGNNE#)
when the W83C554F is in x86 mode as determined by pin 8 strapping after
reset. It functions as HRESET# when the W83C554F is in PowerPC
mode. For connection to the PowerPC, HRESET# is asserted for a
duration of one millisecond after one of the following events:
- Hot Reset bit set (port 92, bit 0)
- CPU Shutdown Cycle
- keyboard Reset Emulation bit is set (bit 1, Index 4E)
- PWRGD active edge
- Hot Reset bit set (port 92, bit 0)
- CPU Shutdown Cycle
- Keyboard Reset Emulation bit is set (bit 1, Index 4E)
Pin Descriptions
25
Related parts for w83c554f
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![w83l784r](/images/no-image3.png)
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83627thg](/images/no-image3.png)
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83601r](/images/no-image3.png)
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83977atf](/images/no-image3.png)
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83194br-sd](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83194br-603](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83194br-619](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83194br-b](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel P4 845 Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83195bg-341](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Via P4/kt Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83195bg-101](/images/no-image3.png)
Part Number:
Description:
Winbond Clock Generator For Intel 915/925 Chipsets
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83l784r](/images/no-image3.png)
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83627thg](/images/no-image3.png)
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83601r](/images/no-image3.png)
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![w83977atf](/images/no-image3.png)
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
![W90210F](/images/no-image3.png)
Part Number:
Description:
Pa-risc Embedded Controller
Manufacturer:
Winbond Electronics Corp America
Datasheet: