| Parameter | Value / Description | | :--- | :--- | | Part Number | IT8995E-128 | | Manufacturer | ITE Tech Inc. | | Core Logic | High-performance RISC (EC specific) | | Program Memory | 128 KB Internal Flash | | Package | 128-pin LQFP | | Interface | LPC Bus, SMBus, I2C, SPI (for debugging) | | Operating Voltage | 3.3V (Typical) | | Standby Current | < 1 mA (Critical for battery life) | | Temperature Range | Commercial (0°C to 70°C) or Industrial |
ITE / ITE Tech. (ITE Technology / ITE Tech. Inc.) — commonly sold as an SIO/KBC/IO-controller family device used on laptop and embedded motherboards.
Hobbyists reverse-engineering old laptops use the datasheet to access GPIO pins for custom projects, such as reading battery status LEDs or adding external sensors. it8995e 128 datasheet
(Recreate schematic from datasheet showing:)
| Feature | IT8995E 128 | IT8728F (Desktop) | NCT6779D (Winbond) | | :--- | :--- | :--- | :--- | | Package | 128-LQFP (Tiny) | 128-LQFP (Larger) | 128-LQFP | | Primary Market | Laptop EC | Desktop Motherboard | Gaming/Workstation | | Built-in EC Core | Yes (8051) | No (Simple I/O) | Yes (ARM-based) | | Hardware Monitor | 12 Channels | 6 Channels | 15 Channels | | Common Failure | Power sequencing | Serial port damage | Fan controller burnout | | Parameter | Value / Description | |
The IT8995E 128 is superior for mobile applications due to its power-saving standby modes, detailed in Section 7.2 of the datasheet.
When industrial PCs need parallel printers, legacy serial devices (RS-232), or PS/2 keyboards, designers integrate the IT8995E 128. The datasheet provides the register maps to initialize these ports via the BIOS. When industrial PCs need parallel printers, legacy serial
The IT8995E-128 datasheet includes a reference design for a typical motherboard. Below is a simplified schematic partial:
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 |
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