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PC I/O & EC

IT8659E-I: Super I/O with Low Pin Count Interface or eSPI Interface (LQFP 64)

  • Poduct Information

  • Specification Table

  • Poduct Information

  • Specification Table

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Poduct Information

IT8659E-I: Super I/O with Low Pin Count Interface or eSPI Interface (LQFP 64)

The IT8659E-I is a highly integrated Super I/O using the Low Pin Count interface or eSPI interface. It provides the most commonly used legacy Super I/O functionality plus the latest Environment Control initiatives, including H/W Monitor and Fan Speed Controller. The device's LPC and eSPI interfaces comply with Intel "LPC Interface Specification Rev. 1.1" and "eSPI specification V 1.0".


The IT8659E-I features an enhanced hardware monitor providing three thermal inputs from remote thermal resistors, or thermal diode or diode-connected transistor (2N3904/2N3906). The device employs ITE's innovative intelligent automatic Fan ON/OFF & speed control functions (SmartGuardian) to protect the system while reducing the system noise and power consumption. The Fan Speed Controller can control up to five fan speeds through five separate 256 steps of Pulse Width Modulation (PWM) output pins and monitor up to five FANs' Tachometer inputs.


In addition, it features two 16C550 standard compatible enhanced UARTs performing asynchronous communication, one integrated Keyboard Controller, six GPIO ports controlling up to 25 GPIO pins, which can be individually enabled or disabled via software configuration registers, and IR interface supported.


Regarding eco-design of Energy-using Product (EuP), IT8659E-I provides not only a solution to reducing power consumption in S5 State but also Keyboard, Mouse, RI# and CIR wakeup events in S3/S5 State.


The IT8659E-I utilizes power-saving circuitry to reduce power consumption, and once a logical device is disabled, the inputs are inhibited with the clock disabled and the outputs are tri-stated. The device operates with +3.3V power supply. The IT8659E-I is available in 64-pin LQFP.

Features

  • Low Pin Count Interface
  • eSPI Interface
  • ACPI & LANDesk Compliant
  • Enhanced Hardware Monitor
  • Fan Speed Controller
  • Consumer Remote Control (TV remote) IR with Power-up Feature
  • SmartGuardian Controller
  • Two 16C550 UARTs
  • Keyboard Controller
  • 25 General Purpose I/O Pins
  • Watch Dog Timer
  • ITE's Innovative Automatic Power-failure Resume and Power Button De-bounce
  • Eco-design of Energy-using Product (EuP), Extra Low Power S5 Control
  • Built-in 32.768 kHz Oscillator
  • 3VSB and VBAT Supported
  • Hardware Reset Strapping for Enter-Key
  • +3.3V Power Supply
  • 64-Pin LQFP
  • RoHS-compliant and Halogen-Free

Specification Table

After years of technology development, ITE has owned many types of advanced Silicon Intellectual Property (SIP) and highly integrated technology of system software/hardware.

PART NO.

PACKAGE TYPE

DESCRIPTION

FLASH SUPPORT

IT8659E-I

LQFP 64 (7 mm x 7 mm)

Super I/O with Low Pin Count Interface or eSPI Interface

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