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MEC1322 - Keyboard and Embedded Controller

General Description

The MEC1322 incorporates a high-performance 32-bit ARM® Cortex®-M4 embedded microcontroller with 128 Kilobytes of SRAM and 32 Ki lobytes of Boot ROM.

It communicates with the system host using the Intel® Low Pin Count (LPC) bus.

Key Features

  • ARM® Cortex®-M4 Processor Core - 32-Bit ARM v7-M Instruction Set Architecture - Hardware Floating Point Unit (FPU) - Single 4GByte Addressing Space (Von Neumann Model) - Little-Endian Byte Ordering - Bit-Banding Feature Included - NVIC Nested Vectored Interrupt Controller - Up to 240 Ind ividually-Vectored Interrupt Sources Supported - 8 Levels of Priority, Individually Assignable By Vector - Chip-Level Interrupt Aggregator supported, to expand number of interrupt sources or reduce num.

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MEC1322 Keyboard and Embedded Controller for Notebook PC Product Features • ARM® Cortex®-M4 Processor Core - 32-Bit ARM v7-M Instruction Set Architecture - Hardware Floating Point Unit (FPU) - Single 4GByte Addressing Space (Von Neumann Model) - Little-Endian Byte Ordering - Bit-Banding Feature Included - NVIC Nested Vectored Interrupt Controller - Up to 240 Ind ividually-Vectored Interrupt Sources Supported - 8 Levels of Priority, Individually Assignable By Vector - Chip-Level Interrupt Aggregator supported, to expand number of interrupt sources or reduce number of vectors • 8042 Style Host Interface - Mailbox Registers Interface - Forty-three 8-Bit scratch registers - Two Register Mailbox Command Interface - Two Register SMI Sour ce Interface - System Tick Timer - Complete ARM-Standard