MEC1310 Datasheet - Microchip

MEC1310 Keyboard and Embedded Controller

The MEC1310 is a 128-pin 3.3V LPC-based ACPI 2.0 and PC99/PC2001 compliant Notebook I/O Controller. See FIGURE 1: MEC1310 Block Diagram on page 4. The MEC1310 incorporates a high-performance 8051based keyboard and system controller with internal embedded 64K SRAM; a 1K byte Boot ROM, and 64bytes bat.

MEC1310 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

MEC1310-Microchip.pdf