Features

8032 Embedded Controller

− Twin Turbo version/3-stage pipeline

− 9.2 MHz for EC domain and 8032 internal timer

− Variable frequency range to gain the maximum

8032 code-fetch performance

− Instruction set compatible with standard 8051/2

LPC Bus Interface

− Compatible with the LPC specification v1.1

− Supports I/O read/write

− Supports Memory read/write

− Supports FWH read/write

− Serial IRQ

Flash Interface

− Behaves as a LPC/FWH memory device

(HLPC)

− Supports external serial flash with 32.3~64.5

MHz

− Up to 16M bytes Flash space shared by the host

and EC side (serial flash)

− HLPC: Hardware read protection plus hardware

/ software write protection

SMBus Controller

− SMBus spec. 2.0

− 4 SMBus masters + 1 slave

− 4 SMBus channels

− Compatible with I2C cycles

System Wake Up Control

− Modem RI# wake up

− Telephone RING# wake up

− IRQ/SMI routing

EC Wake Up Control

− 48 external/internal wake up events

Interrupt Controller

− 72 interrupt events to EC

− Fixed priority

Timer / Watch Dog Timer

− 3 internal 16-bit multi-function timers inside

8032, which is based on EC clock

− 1 internal WDT inside 8032, which is based on

EC clock

− 1 external 16-bit timer and 1 external 24-bit

timer in ETWD module, which are based on

32.768 k clock source

− 1 external 16-bit WDT in ETWD module, which

is based on 32.768 k clock source

UART

− 1 full duplex UART inside 8032

− 1 standard serial ports (legacy 16C550 COM1)

− Baud rate up to 460800

ACPI Power Management Channel

− 2 Power management channels

− Compatible and enhanced mode

Battery-backed SRAM

− 192-byte battery-backed memory space

− Supports power-switch circuit

GPIO

− Supports 73-port GPIO

− Programmable pull up/pull down

− Schmitt trigger for input

External GPIO Controller (EGPC)

− Communicate with 4 IT8301 chips

− Each IT8301 supports 38 GPIO ports

KBC Interface

− 8042 style KBC interface

− Legacy IRQ1 and IRQ12

− Fast A20G and KB reset

ADC

− 12 ADC channels (8 external)

− 10-bit resolution (+/- 4LSB)

− Digital filter for noise reduction

DAC

− 6 DAC channels

− 8-bit DAC

PWM

− 8 PWM channels

− Base clock frequency is 32.768 kHz

− 8 duty cycle resolution

− 8/16-bit common input clock prescaler

− 4 prescalers for 8 PWM output used for devices

with different frequencies

− 2 Tachometers for measuring fan speed

TMR

− Supports four channels

− Supports 8-bit/16-bit pulse mode, and toggle

mode

PS/2 Interface

− 3 PS/2 interface

− Hardware/Software mode selection

KB Matrix Scan

− Hardware keyboard scan

− 18x8 keyboard matrix scan

SPI Slave Interface (SSPI)

− 1-channel SPI Master, Freq between 575 kHz

and 4.6MHz

− 4-wire or 3-wire (bi-directional data) I/F

− 8-bit or 1-bit transaction

− SPI Mode 0, 1, 2, 3

In-System Programming

− ISP via parallel port interface on existing KBS

connector

− Fast flash programming with software provided

by ITE

Power Consumption

− Standby with Sleep mode current: 250 µA

Package

− LQFP 128L / QFP 128L / TFBGA 128