It8995e 128 Datasheet [2021] -
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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:
- Video encoding: Supports H.264 and H.265 (HEVC) compression standards, with a maximum resolution of 4K @ 30fps.
- Low power consumption: Designed to consume low power, making it suitable for battery-powered devices and energy-efficient applications.
- High-performance video processing: Capable of handling complex video processing tasks, such as motion compensation, deblocking, and entropy coding.
- 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:
- IP cameras: Enables IP cameras to capture and stream high-quality video footage over the network.
- NVRs (Network Video Recorders): Supports NVRs in recording, storing, and streaming video footage from multiple IP cameras.
- 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.
Key Features of the IT8995E-128 (Based on Official Datasheet)
According to the IT8995E-128 datasheet, the chip operates within the following parameters:
| Parameter | Specification | |-----------|----------------| | Package Type | LQFP-128 (Low-profile Quad Flat Package) | | Operating Voltage | 3.3V ± 5% (with 5V tolerant I/Os) | | Core Function | Super I/O with Embedded Controller (EC) | | Host Interface | LPC (Low Pin Count) bus up to 33 MHz | | GPIO Pins | Up to 64 programmable GPIOs | | Temperature Range | -20°C to +85°C (Industrial grade) | | Power Management | ACPI 6.0 compliant, Sleep states S0–S5 |
Conclusion: Where to Find the Official IT8995E 128 Datasheet
While this article provides a structured overview, you should download the official IT8995E 128 datasheet from:
- ITE Tech. Official Website (requires a free account for technical documents).
- Sector/Industry Databases (like Alldatasheet, Datasheet Archive – use with caution for outdated versions).
- Laptop Manufacturer Board Views (Schematics for specific models like Lenovo T480 or Dell Latitude often include the ITE datasheet as an appendix).
Final Pro Tip: When searching for "it8995e 128 datasheet PDF", include the revision number (e.g., Rev 1.2) to ensure you get the latest thermal and GPIO mapping. A wrong revision can lead to misconfigured power rails.
Disclaimer: ITE Tech. Inc. owns all trademarks. This article is for educational and repair purposes based on publicly available summarized data. Always adhere to the official datasheet for final design or repair decisions.
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. it8995e 128 datasheet
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.
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.
ITE IT8995E-128 is a specialized Keyboard Controller (KBC) or "multi-controller" primarily used in laptop motherboards (such as the ASUS X543U) to manage low-level system functions. While a single consolidated datasheet is notoriously difficult to find publicly, it belongs to a family of ITE chips known for their robustness in enterprise and personal electronics. Key Specifications & Features
Based on technical listings and repair community reports, the IT8995E-128 includes several critical safeguards: Package Type : QFP-128 (Quad Flat Package with 128 pins). Protection Mechanisms : Features built-in Electrostatic Discharge (ESD) protection and overheating safeguards to prevent failure during manufacturing and use. Compliance RoHS compliant
, meeting international standards for lead-free electronic components. Common Variants : You may encounter specific versions like the IT8995E-128/CXA , which are often found in modern portable systems. IC Components Technical Application
This chip acts as the "brain" for hardware management before and after the main OS boots: Power Management
: Controls the power-on sequence and battery charging cycles. Thermal Control : Manages fan speeds and monitors system temperatures. Input/Output
: Handles the laptop keyboard, touchpad, and various system LEDs.
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 You're looking for a story about the 128
The ITE IT8995E-128 Go to product viewer dialog for this item.
(specifically variants like CXA, CXS, or DXA) is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) designed by ITE Tech primarily for notebook motherboards. Core Specifications & Features
The device functions as a central hub for managing low-level hardware tasks on a laptop motherboard: Package Type: 128-pin LQFP (Low Profile Quad Flat Package).
Memory: Features 128KB of internal programmable eFlash memory. Key Functions: I/O Management: Handles keyboard and touchpad interfaces.
Power Management: Manages power sequencing and battery charging.
Thermal Monitoring: Controls fan speeds and monitors temperature sensors.
System Wake-up: Supports various system wake-up functions for power management. Technical Details Manufacturer ITE Tech. Inc. Interface Typically interfaces via LPC or eSPI bus Operating Voltage Generally supports 1.8V / 3.3V logic (standard for ITE ECs) Programmability
Yes; often requires pre-programming with EC ROM firmware before installation Variants
CXA, CXS, DXA, and DXS (often interchangeable depending on the motherboard schematic) Application & Repair
This IC is widely used as a replacement part for malfunctioning power or I/O chips in notebook repairs. You can find technical summaries and purchase options from distributors like IC Components and Zeus Mining.
Note: If replacing this chip, ensure you have the correct firmware, as it may not automatically pull code from the BIOS upon assembly. IT8995E-128/CXA ITE - IC Components
Key Features
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Core & Memory
- 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.
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Power Management
- Integrated power sequencing and control for system rails.
- AC adapter detection and battery charging control logic.
- Multiple power states support (S0/S3/S5) and wake event handling.
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I/O & Interfaces
- GPIO pins for general-purpose control and status indicators (LEDs).
- Keyboard matrix scanning support with debounce and key event reporting.
- ADC inputs for monitoring battery voltage, thermistors, and other analog sensors.
- PWM outputs for fan speed control and LED brightness.
- I2C and SPI masters/slaves for communication with PMICs, sensors, and other peripherals.
- UART for debug and external module communication.
- USB or USB-like interface (model-dependent variants) for firmware updates or host communication.
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Battery & Charging
- Fuel-gauge and battery presence detection support (often via external ADC/PMIC integration).
- Charger enable/disable and charging profile control through PMIC interfaces.
- Safety and thermal cutoffs via ADC and thermistor monitoring.
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Thermal & Fan Control
- Temperature monitoring via onboard ADC inputs and external thermistors.
- Programmable fan control curves using PWM outputs.
- Thermal event interrupts and automatic throttling capabilities.
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System Management & Security
- ACPI event generation and host communication for shutdown, sleep, and lid events.
- Watchdog timers, brownout detection, and reset control for system reliability.
- Secure firmware update support (bootloader + authenticated update in some variants).
Next steps to complete your paper:
- Obtain the real datasheet – Search “ITE IT8995E datasheet request” on ITE’s official site or contact a distributor (e.g., Mouser, DigiKey, Arrow).
- Replace placeholders (X, Fig. numbers, pin numbers) with actual values from the document.
- Add voltage scaling formulas and register bit definitions as shown in the original datasheet.
- Include full pinout table and timing diagrams (reproduce with proper citation).
The IT8995E-128 is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) designed by ITE Technology, primarily used in laptop motherboards (e.g., ASUS models like X510U, X543U). Technical Overview Function: Manages low-level I/O processes. Memory: Features 128KB of internal programmable eFlash. Package: Industrial LQFP-128 leaded structure. Key Roles: Keyboard and touchpad interface management. System power sequencing. Battery charge and discharge management. Thermal monitoring (fan control and temperature sensors). Common Revisions & Compatibility Main Model: IT8995E-128. Revisions: Often seen as CXA or CXS.
Repair Note: CXA and CXS revisions are generally considered interchangeable in motherboard schematics. Quality & Safety Features Compliance: RoHS compliant for hazardous materials.
Protection: Built-in ESD protection (electrostatic discharge). Video encoding : Supports H
Safeguards: Integrated overheating protection to ensure hardware safety.
💡 Repair Tip: Because this chip contains internal Flash memory, it may require programming with specific firmware (firmware version varies by laptop model) before it will function correctly on a new motherboard. If you'd like, I can help you find: Specific schematics for a laptop model using this chip.
Information on programmers (like SVOD or Vertyanov) used to flash this EC. A pinout diagram if you are troubleshooting power rails. IT8995E-128/CXA ITE - IC Components
The ITE IT8995E-128 is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) designed primarily for notebook motherboards. It plays a critical role in managing low-level hardware functions, including power sequencing, thermal monitoring, and peripheral interfaces. Core Technical Specifications
The IT8995E-128 is characterized by its integration of essential system management tasks into a single, compact logic IC. Manufacturer: ITE Tech. Inc.
Package Type: LQFP-128 (Low Profile Quad Flat Package) with 128 pins
Programmable Memory: Internal 128KB programmable eFlash (Embedded Flash)
Key Revisions: CXA, CXS, and DXA; these are often interchangeable in many motherboard schematics (e.g., CXA/CXS can often replace "IT8995E-128 CX" models). Primary Functions and Applications
As a "Super I/O" or Embedded Controller, the chip serves as the hardware supervisor for the following systems:
Input Management: Interfaces with the laptop keyboard and touchpad.
Power Sequencing: Manages the boot process and power states of the motherboard.
Battery & Charging: Oversees battery charge management and monitoring.
Thermal Control: Handles fan control and monitors temperature sensors through dedicated internal registers. Repair and Programming Requirements
In professional repair scenarios, the IT8995E-128 is a common target for replacement when a laptop fails to power on or has keyboard/thermal issues.
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.
Component Sourcing: New and refurbished units are available through specialized electronics distributors such as IC-Components and Zeus Mining.
Replacement Advice: Technicians recommend verifying the specific part number and revision (CXA, CXS, etc.) against the motherboard's boardview or schematic to ensure compatibility before installation.
For detailed pinout diagrams and register maps, users often refer to motherboard schematics for specific laptop models, as a full standalone public datasheet from ITE can be difficult to find outside of NDAs. IT8995E-128/CXA ITE - IC Components
5. Typical Application Circuit
In a schematic, the IT8995E is usually surrounded by:
- Crystal Oscillator: Typically a 32.768 kHz crystal for real-time clock (RTC) functions.
- Reset Circuit: A pull-up resistor on the
EC_RST#pin. - Power Inputs:
VCCis usually connected to the "Always On" 3.3V rail (3V_ALW), ensuring the EC is alive even when the laptop is off.