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MEC1308 - Keyboard and Embedded Controller

Datasheet Summary

Description

The MEC1308 is a 128-pin 3.3V LPC-based ACPI 2.0 and PC99/PC2001 compliant Notebook I/O Controller.

See Figure 1, "MEC1308 Block Diagram".

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 - 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 - Loaded at VCC1 power from the HOST/8051 SPI Memory Interface - Provides 64KB of 8051 program space - 32k-Byte region shared w.

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Datasheet preview – MEC1308

Datasheet Details

Part number MEC1308
Manufacturer Microchip
File Size 392.66 KB
Description Keyboard and Embedded Controller
Datasheet download datasheet MEC1308 Datasheet
Additional preview pages of the MEC1308 datasheet.

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Full PDF Text Transcription

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MEC1308 Keyboard and Embedded Controller for Notebook PC 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 - 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 - 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 inter- face.
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