128 Datasheet Link - It8995e

The IT8995E-128 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

Ite It8995e-128-dxa It8995e 128 Dxa Tqfp Ec Power Ic Chip Chipset it8995e 128 datasheet

Detects PWRBTN# assertion.
Checks if the battery is present and the charger is valid.
Releases RSMRST# to the PCH.
Waits for the PCH to request power states (SLP_S4#, SLP_S3#).
Turns on the main power rails (3.3V, 5V) and then the CPU VRM.

Programming Need: The chip contains a programmable section. While some motherboards (especially ASUS models) may automatically pull the required firmware from the BIOS upon first boot, others require manual programming using an EC ROM I/O Programmer after soldering. Detects PWRBTN# assertion

These chips are almost exclusively found on laptop and desktop computer motherboards. They act as the "brain" behind the main CPU, handling low-level tasks like power management, keyboard scanning, and fan control. Programming Need: The chip contains a programmable section

Manual Programming: If the system doesn't start after a chip replacement, it often requires manual flashing via the I2C interface or the keyboard connector using a specialized programmer. This is why simply swapping the hardware isn't always enough for a successful repair. 4. Compatibility and Revisions

IT8995E-128 is a specialized integrated circuit (IC) manufactured by ITE Tech. Inc. , primarily utilized as an Embedded Controller (EC)

Built-in microcontroller core optimized for embedded control tasks.
On-chip flash/ROM for firmware and boot code.
On-chip SRAM for runtime data and stack.