This is a kind of IO Controller.
Part Number: IT8586E
Function: Power Management IO Chip for Lenovo
Package: LQFP-128 Pin Type
Manufacturer: ITE, Lenovo
Images
Description
The IT8586E is a highly integrated embedded controller with system functions suitable for mobile system applications. The IT8502 directly interfaces to the LPC bus and provides ACPI embedded controller function, keyboard controller (KBC) and matrix scan, external flash interface for system BIOS and EC code, PWM and ADC for hardware monitor, PS/2 interface for external keyboard/mouse devices, BRAM and system wake up functions for system power management. It also supports the external flash (or EPROM) to be shared by the host and EC side.
Pinout
Features
1. 8032 Embedded Controller
(1) Twin Turbo version/3-stage pipeline
(2) 9.2 MHz for EC domain and 8032 internal timer
(3) Variable frequency range to gain the maximum 8032 code-fetch performance
(4) Instruction set compatible with standard 8051/2
2. Timer / Watch Dog Timer
(1) 3 internal 16-bit multi-function timers inside 8032, which is based on EC clock
(2) 1 internal WDT inside 8032, which is based on EC clock
Applications
1. Notebook
Other data sheets are available within the file: IT8586, IT8586E-FXA
IT8586E Datasheet PDF Download
