It8995e 128 Datasheet Today

IT8995E-128 Embedded Controller (EC) or Super I/O chip manufactured by ITE Tech. Inc. . It is commonly used in laptop motherboards, such as the ASUS X541UVK

, to manage low-level power sequences and interface functions. Key Specifications Package Type : QFP-128 (128 pins). : Features 128KB e-Flash for internal programming. : Common suffixes include Application

: Acts as a power IC or SIO controller chip for embedded system management, often requiring an I/O programmer if it doesn't auto-program from the BIOS. Documentation & Resources

While a full public datasheet from the manufacturer is often restricted to partners, you can find reference information and technical details on these platforms: : Access technical documents like the IT8995E-128 PDF Component Suppliers

: Detailed value propositions and pin configuration summaries are available on IC-Components Repair Guides : Practical troubleshooting for this chip can be found on for specific laptop models. "Create a Piece"

Since your request mentioned "create an piece," here is a brief technical overview written for a blog or technical guide: The Heart of the Motherboard: Understanding the IT8995E-128

In the complex ecosystem of a laptop, the IT8995E-128 serves as the silent conductor. Housed in a dense 128-pin package, this Super I/O chip bridges the gap between hardware and software. It handles everything from the power-on sequence to keyboard inputs and thermal monitoring. For technicians, its 128KB of internal e-Flash is its most critical feature; without the correct firmware, a perfectly soldered chip may leave a device lifeless. Whether you're repairing an ASUS workstation or designing a new embedded system, the IT8995E-128 represents a strategic balance of high pin density and integrated control. programming instructions for a particular motherboard repair?

IT8995E-128 Datasheet Write-up

Overview

The IT8995E-128 is a highly integrated, low-power, and cost-effective embedded controller designed for various applications, including industrial control, automation, and IoT devices. This write-up provides an in-depth analysis of the IT8995E-128 datasheet, highlighting its key features, specifications, and potential applications.

Key Features

  1. Microcontroller Core: The IT8995E-128 is built around a high-performance 32-bit ARM Cortex-M4 microcontroller core, operating at a maximum frequency of 120 MHz. This core provides efficient processing capabilities, enabling smooth execution of complex tasks and algorithms.
  2. Memory: The device features 128 KB of flash memory and 32 KB of SRAM, providing ample storage for program code and data. The flash memory can be programmed and erased multiple times, allowing for flexible firmware updates.
  3. Peripherals: The IT8995E-128 offers a rich set of peripherals, including:
    • 12-bit ADC with 16 channels
    • 2x UART interfaces
    • 2x SPI interfaces
    • 1x I2C interface
    • 1x CAN interface
    • 2x TIM (timer) interfaces
    • 1x RTC (real-time clock) interface
  4. Operating Voltage: The device operates within a voltage range of 2.7V to 5.5V, making it suitable for battery-powered applications.
  5. Temperature Range: The IT8995E-128 can operate within a temperature range of -40°C to 85°C, ensuring reliable performance in harsh industrial environments.

Specifications

| Parameter | Value | | --- | --- | | CPU Core | ARM Cortex-M4 | | Maximum Frequency | 120 MHz | | Flash Memory | 128 KB | | SRAM | 32 KB | | Operating Voltage | 2.7V to 5.5V | | Temperature Range | -40°C to 85°C | | Package | LQFP-48 |

Potential Applications

The IT8995E-128 is suitable for a wide range of applications, including:

  1. Industrial Control: The device's robust design and rich set of peripherals make it an ideal choice for industrial control systems, such as motor control, power management, and sensor interfacing.
  2. Automation: The IT8995E-128 can be used in automation applications, including home automation, building automation, and industrial automation.
  3. IoT Devices: The device's low power consumption and compact package make it suitable for IoT devices, such as smart sensors, wearable devices, and home appliances.

Conclusion

The IT8995E-128 is a highly integrated and versatile embedded controller that offers a rich set of peripherals, low power consumption, and a compact package. Its robust design and wide operating temperature range make it suitable for harsh industrial environments. With its ARM Cortex-M4 core and ample memory, the IT8995E-128 is an ideal choice for a wide range of applications, from industrial control and automation to IoT devices.

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

or "Super I/O" chip in laptops and complex embedded systems. It is often responsible for low-level hardware management, such as power sequencing, keyboard control, and thermal monitoring. IC Components Core Overview Manufacturer: ITE Tech. Inc. Package Type:

(128-pin Quad Flat Package). This high pin count allows for extensive peripheral management and simultaneous interface connections. Applications:

Commonly found in communications equipment, enterprise systems, and personal electronics (specifically laptop motherboards). IC Components Key Features & Functionality

Based on its category as an embedded controller, the IT8995E-128 typically handles the following operations: Power Management:

Manages power-on/off sequencing and charging logic (often paired with specialized charging ICs). Interface Management:

Acts as a bridge for various I/O operations, consolidating multiple control functions into a single chip to reduce board space. System Monitoring:

Monitors system vitals like temperature and fan speeds to ensure hardware reliability. Keyboard & Touchpad Control: it8995e 128 datasheet

Often serves as the primary controller for built-in input devices in notebook computers. IC Components Technical Specifications (Estimated) Compliance: Generally lead-free and RoHS compliant. Interchangeability: In repair communities (like

), this chip is noted for specific version compatibility; suffixes like "CXA" indicate specific firmware or hardware revisions. IC Components Repair & Replacement

Because the IT8995E-128 is a "Power IC" or Multi-I/O chip, its failure can lead to a device not powering on or specific ports (like the keyboard) failing. Technicians often use specialized programmers, such as the Vertyanov Successor

, to read or write the internal firmware needed for the chip to communicate with a specific motherboard. Zeus Mining IT8995E-128/CXA ITE - IC Components

You're looking for a story about the 128 datasheet, but I think you meant to say that you're looking into the "it8995e 128 datasheet".

The IT8295E is a highly integrated, low-power, and cost-effective H.264/H.265 video encoder chip designed for various applications such as IP cameras, NVRs, and other video surveillance products.

Here's a brief overview:

Overview of IT8295E

The IT8295E is a cutting-edge video encoder chip developed by a leading fabless semiconductor company. This chip provides a complete and efficient solution for video encoding, supporting both H.264 and H.265 (HEVC) compression standards. Its high-performance video processing capabilities enable smooth and high-quality video streaming, making it suitable for a wide range of applications.

Key Features of IT8295E

Some key features of the IT8295E chip include:

  1. Video encoding: Supports H.264 and H.265 (HEVC) compression standards, with a maximum resolution of 4K @ 30fps.
  2. Low power consumption: Designed to consume low power, making it suitable for battery-powered devices and energy-efficient applications.
  3. High-performance video processing: Capable of handling complex video processing tasks, such as motion compensation, deblocking, and entropy coding.
  4. Multi-stream support: Supports multiple video streams, allowing for simultaneous streaming of different video resolutions and frame rates.

Potential Applications

The IT8295E chip can be used in various applications, including:

  1. IP cameras: Enables IP cameras to capture and stream high-quality video footage over the network.
  2. NVRs (Network Video Recorders): Supports NVRs in recording, storing, and streaming video footage from multiple IP cameras.
  3. Video surveillance systems: Suitable for use in various video surveillance systems, such as smart homes, offices, and public spaces.

Availability of Datasheet

The datasheet for the IT8295E chip is available from the manufacturer's website or through authorized distributors. The datasheet provides detailed information on the chip's features, specifications, and application notes, which can be useful for designers and engineers developing products based on this chip.

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

The controller is housed in a 128-pin LQFP (Low-profile Quad Flat Package), which allows for extensive input/output (I/O) flexibility.

Integrated Memory: Features an internal 128KB programmable eFlash (Embedded Flash) memory for firmware storage.

Package Design: The QFP package provides excellent heat dissipation, ensuring stable performance under heavy operational stress.

Variants & Compatibility: Common revisions include CXA, CXS, and DXA. These are often interchangeable; for example, the CXA or CXS versions can typically be used on motherboards where the schematic specifies an "IT8995E-128/CX" model.

Programmability: Many versions of this chip must be programmed with specific firmware after being soldered onto the motherboard to function correctly, though some may automatically synchronize with the main BIOS. Primary Functions in Notebooks

As a Super I/O (SIO) controller, the IT8995E-128 manages several "mission-critical" background tasks:

Power Management: It controls the motherboard's power sequencing and battery charging cycles.

Input Interfacing: Manages the signals from the keyboard and touchpad. IT8995E-128 Embedded Controller (EC) or Super I/O chip

Thermal Monitoring: Oversees fan speed control and temperature sensors to prevent overheating.

System Communication: Supports advanced communication protocols and ensures signal integrity for the system's internal processes. Technical Application Note

When replacing this chip during repairs, it is vital to verify the specific part number (e.g., IT8995E-128 CXS) to avoid compatibility issues. If the system fails to boot after installation, it likely requires manual firmware programming via the I2C or keyboard connector interface.

Deep Dive: Deciphering the ITE IT8995E-128 Datasheet If you’ve ever cracked open a modern notebook—especially an ASUS or similar laptop—you’ve likely spotted a square, multi-legged chip labeled ITE IT8995E-128. For repair technicians and hardware enthusiasts, this "Super I/O" or Embedded Controller (EC) is the gatekeeper of the motherboard.

Below is a breakdown of what the technical documentation reveals about this powerhouse component. 1. What Exactly is the IT8995E-128?

The IT8995E-128 is a highly integrated Embedded Controller (EC) and Keyboard Controller (KBC). It is essentially a mini-computer on your motherboard that manages the low-level functions that the main CPU is too "important" to handle.

Package: Industrial LQFP-128 (Low-profile Quad Flat Package), meaning it has 128 pins—32 on each side.

Memory: Features 128KB of internal eFlash (programmable memory) to store its unique firmware. 2. Key Responsibilities (The "Hidden" Manager)

While the CPU handles your operating system, the IT8995E-128 manages the physical reality of the machine:

Power Sequencing: It decides when to turn on different power rails when you hit the power button.

Thermal Management: Monitoring temperature sensors and adjusting fan speeds to prevent your laptop from melting.

Input Handling: Managing the keyboard matrix and touchpad signals.

Battery Management: Communicating with the battery to handle charging cycles and reporting health data. 3. The "Firmware" Catch

One of the most critical takeaways from the technical specs is that this chip is programmable.

Automatic Sync: In some designs, the chip can automatically "pull" its required software from the main BIOS.

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

In motherboard schematics, you might see variations like CXA or CXS. Generally, these revisions are cross-compatible during repairs. The chip also includes modern safety standards like RoHS compliance, built-in electrostatic discharge (ESD) protection, and overheating safeguards to ensure a long product lifecycle. Summary Table: Quick Specs Specification Manufacturer ITE Tech Pins 128-pin LQFP Flash Memory 128 KB eFlash Primary Roles Power sequencing, KBC, Thermal control, Battery Mgmt Interface LPC, I2C, SPI IT8995E-128/CXA ITE - IC Components

The IT8995E-128 is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) integrated circuit (IC) manufactured by ITE Tech. Inc.. It is a critical component commonly found in notebook motherboards, specifically used for managing essential low-level hardware functions and power sequencing. Key Technical Specifications

Architecture: Features an internal 128KB programmable eFlash (Embedded Flash) memory for storing firmware.

Package Type: Housed in a QFP128 (Quad Flat Package) or LQFP-128 leaded structure with 128 pins. Primary Functions: I/O Management: Controls keyboard and touchpad interfaces.

Power Control: Manages system power sequencing and battery charge management.

Thermal Monitoring: Handles temperature sensors and fan speed control.

Compatibility: Revisions like CXA, CXS, and DXA are often interchangeable in motherboard repairs, though confirming specific motherboard schematics is recommended for pin-to-pin accuracy. Application & Sourcing

This controller is widely integrated into ASUS notebook motherboards (such as the X543U and X705UB series). You can find these chips and related technical documentation through retailers and electronic component hubs like IC-Components, Atom Bilgisayar, and Worldway Electronics. IT8995E-128/CXA ITE - IC Components Microcontroller Core : The IT8995E-128 is built around

The IT8995E-128 is an embedded multi-controller (EC) manufactured by ITE Tech. Inc., commonly used in laptops and personal electronics for power management, keyboard control, and system monitoring. It is a high-performance integrated circuit (IC) known for balancing power efficiency with complex task handling. Technical Overview

Manufacturer: ITE Tech. Inc. (often listed via authorized distributors like Worldway Electronics).

Package Type: Standard QFP128 (Quad Flat Package with 128 pins).

Common Variants: IT8995E-128/CX, IT8995E-128/CXA, and IT8995E-128/DXA.

Safety & Compliance: Fully RoHS compliant (lead-free), featuring built-in electrostatic discharge (ESD) protection and overheating safeguards. Key Features & Applications

Applications: Primarily used in communications equipment, enterprise systems, and personal electronics (especially laptop motherboards).

Compatibility: Designed for seamless integration into existing embedded infrastructures without requiring specialized adapters.

Performance: Capable of handling complex system tasks while maintaining a low power profile, making it a staple for energy-efficient designs.

System Integration: Supports a wide range of I/O options and communication protocols to interface with sensors, peripherals, and control systems. Datasheet Resources

While full manufacturer-direct PDFs are often restricted to authorized partners, comprehensive technical summaries and datasheet downloads are available through specialized component databases:

Detailed Technical Summaries: IC-Components provides safety features and quality certification details.

Stock & Distribution Data: HK Inventory tracks availability and batch codes (e.g., 2024+, 2025+) for procurement.

Reference Documents: A product overview can be found on Scribd, covering basic footprint and symbol data.

4. Functional Block Deep Dive

A. Power Sequencing Logic When you press the power button on a laptop, the main CPU is not yet running. The IT8995E initiates the boot sequence:

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

B. ACPI Compliance The chip implements an ACPI Embedded Controller interface. The Operating System (Windows/Linux) uses ports 0x62 (Data) and 0x66 (Command/Status) to talk to the IT8995E. This allows the OS to query:

General Datasheet Report Structure

Pinout and Signal Description (LQFP-128)

The IT8995E-128 datasheet provides a detailed pinout diagram. Below is a summary of critical pin groups.

Overview

The IT8995E 128 is a compact embedded controller (EC) / microcontroller-class chip commonly used in notebook motherboards and power-management applications. It integrates multiple I/O interfaces, power-control features, and embedded memory to handle system management tasks such as keyboard scanning, battery charging control, thermal and fan management, ACPI event handling, and system power sequencing.

3. Pinout and Interface Analysis

The IT8995E is typically housed in a LQFP (Low-profile Quad Flat Package) with 128 pins.

Key Pin Groups:

Fan Connector Example (4-pin PWM)

6. Applications

12. Design Considerations & Errata (from datasheet)