MEC1727

MEC172x Keyboard and Embedded Controller for Notebook PC Operating Conditions Operating Voltages: 3.3 V and 1.8 V Operating Temperature Range: -40 oC to 85 oC Low Power Modes Chip is designed to always operate in Lowest Power state during Normal Operation Supports all 5 ACPI Power States for PC platforms Supports 2 Chip-level Sleep Modes: Light Sleep and Heavy Sleep - Low Standby Current in Sleep Modes ARM® Cortex-M4F Embedded Processor Programmable clock frequency up to 48 MHz Fixed point processor Single 4GByte Addressing Space Nested Vectored Interrupt Controller (NVIC) - Maskable Interrupt Controller - Maskable hardware wake up events - 8 Levels of priority, individually assignable by vector EC Interrupt Aggregator expands number of Inter- rupt sources supported or reduces number of vectors needed Complete ARM® Standard debug support - JTAG-Based DAP port, comprised of SWJ- DP and AHB-AP debugger access functions Memory Components - 416KB Code/Data SRAM - 352KB optimized for code performance - 64KB optimized for data performance - 128 Bytes Battery Powered Storage SRAM - 4K bits OTP - In circuit programmable - ROM - Contains Boot ROM - Contains Runtime APIs for built-in functions - 128KB of ROM space - 2KB or 8KB Internal EEPROM - 4Mbit (512KByte) in-chip SPI Serial Flash in specific packages (Refer Internal SPI in Table 1-1) - SST25PF040C - SPI Master controller - Supports Mode 0 and mode 3 - 24MHz Clocks 96 MHz Internal PLLS 32 kHz Clock Sour...