This part is a kind of semiconductor called MEC1310.
Function of this product has Keyboard and Embedded Controller.
Manufacturers : Microchip
Image and pinout :
Some of the text within the PDF file :
MEC1310 Keyboard and Embedded Controller for Notebook PC Product Features • 3.3V Operation with 5V Tolerant Buffers on PS/2 pins • ACPI 1.0/2.0 PC99/PC2001 Compliant • LPC Interface with Clock Run Support - Supports LPC Bus frequencies of 19.2MHz to 33MHz - Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems - 15 Direct IRQs - ACPI SCI Interface - nSMI output and supporting PM registers - Shadowed write only registers • Internal 64K SRAM in MEC1310 - Loaded at VCC1 power from the HOST/8051 SPI Memory Interface - Provides 64KB of 8051 program space - 32k-Byte region shared with 8051data space • HOST/8051 SPI Memory Interface - 3-pin Full Duplex serial communication interface. - One Chip Select Pins - Fully 8051 Controlled - Hardware Support for two SPI Flas [ ... ]