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