This is a kind of controller.
Part Number: IT8987E
Function : Highly integrated embedded controller suitable for mobile system applications.
Package : 128-pin LQFP Type ( 14mm x 14mm )
Manufacturer: ITE Tech
The IT8987E is a highly integrated embedded controller with system functions suitable for mobile system applications. The IT8987 directly interfaces to the LPC bus and provides ACPI embedded controller function, keyboard controller (KBC) and matrix scan, PWM and ADC for hardware monitor, PS/2 interface for external keyboard/mouse devices, BRAM, CIR, and system wakeup functions for system power management.
The IT8987E is a highly integrated power management unit (PMU) produced by ITE Tech Inc. It is a multi-channel voltage regulator that can be used to manage power supply and control voltage for different devices and systems. It features multiple voltage regulators, LDO, DC-DC converter and power switches, allowing it to be used for a wide range of applications such as digital devices, computer systems, and embedded systems.
Other data sheets are available within the file: IT8987, IT8987VG