SCH3114-NU LAN Controller, Microchip SCH3114-NU, 40, IO Controller, 128-Pin VTQFP

SCH311x Super I/O Controllers
The SCH3114/ Super I/O Controller chip integrates many standard PC motherboard hardware functions into a single device.
Functions
Watchdog Timer"," Resume and Main Power-Good Generator"," Programmable Clock Output to 16Hz"," 2.88MB Floppy Disk Controller for 2 x drives"," Enhanced Digital Data Separator"," Keyboard Controller, 8042 software compatible"," 4 x Multiple Full Function Serial Ports"," Infrared Port, Multiprotocol, IrDA 1.0 Compliant"," Multi-Mode™ Parallel Port with ChiProtect™"," Hardware monitor for power supplies and temperature with fan control"," IDE Reset Output and 3 x PCI Reset Buffers with Software Control Capability"," Power Button Control and AC Power-Failure Recovery
Common Features
Low Pin Count Bus (LPC) Interface"," Programmable Wake-up Event (PME) Interface"," PC99, PC2001 Compliant"," ACPI 2.0 Compliant"," Serial IRQ Interface compatible with Serialized IRQ support for PCI Systems"," ISA Plug-and-Play compatible Register Set"," 4 x Address Options for Power-On Configuration Port"," System Management Interrupt (SMI)"," 40 x GPIO pins"," 6 x GPIO pins with VID compatible inputs"," Support for Power Button on PS/2 Keyboard"," Security Key Register (32 byte) for Device Authentication"," +3.3Vdc operation (SIO block is +5V tolerant)"," Operating temperature range: 0 to +70°C
RS Product Codes
a href=\"/web/p/products/6726878\""672-6878/a SCH3114-NU Super I/O Controller, 4 x serial ports"",""a href=\""/web/p/products/9126861\""912-6861/a SCH3114-NU Super I/O Controller, 4 x serial ports (Pack of 90)
Super I/O Controllers
The Super I/O Controller is a single chip that performs many functions that used to take several pieces of hardware in the past. This standardizes and simplifies the design, and thus reduces cost. The Super I/O chip typically is responsible for controlling the slower-speed, mundane peripherals found in every PC. Since these devices have been mostly standardized, they are virtually the same on every PC and it is easier to integrate these into a commodity chip instead of worrying about them for each motherboard design.