MEC172x
Keyboard and Embedded Controller for Notebook PC
Operating Conditions
• Operating Voltages: 3.3 V and 1.8 V • O...
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...