It8995e 128 Datasheet 'link' (2024)

IT8995E-128

The is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) designed by ITE Technology . It is a critical component in modern notebook motherboards, responsible for managing low-level hardware functions that bridge the gap between the motherboard and the operating system. Key Features and Specifications

Crystal Oscillator

• ITE Tech Inc., “IT8995E Datasheet, Version 1.2,” April 2021.
• ACPI Specification 6.0 (for S-state control).
• LPC Interface Specification v1.1 (Intel).

• 1. Crystal Oscillator: Typically a 32.768 kHz crystal for real-time clock (RTC) functions.
  2. Reset Circuit: A pull-up resistor on the EC_RST# pin.
  3. Power Inputs: VCC is usually connected to the "Always On" 3.3V rail (3V_ALW), ensuring the EC is alive even when the laptop is off.