[ITE Tech. Inc.]

General Description
The IT8510 is a highly integrated embedded controller with system functions suitable for mobile system applications. The IT8510 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, ADC and SmartAuto Fan control for hardware monitor, PS/2 interface for external keyboard/mouse devices, RTC 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.

FEATUREs
■ 8032 Embedded Controller
   − Twin Turbo version
   − 1 instruction at 1 machine cycle
   − Maximum 10 MHz for EC domain and 8032
   − Instruction set compatible with standard 8051
■ 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
■ External Flash Interface
   − Up to 4M bytes Flash space shared by the host and EC side
   − 8-bit data bus
■ SM Bus Controller
   − SM Bus spec. 2.0
   − SM Bus host and slave
■ System Wake Up Control
   − Modem RI# wake up
   − Telephone RING# wake up
   − IRQ/SMI routing
■ EC Wake Up Control
   − 32 external/internal wake up events
■ Interrupt Controller
   − 32 interrupt events to EC
   − Fixed priority
■ Timer / Watch Dog Timer
   − 3 16-bit multi-function timers inside 8032, which is based on EC clock
   − 1 watch dog timer inside 8032, which is based on EC clock
   − 1 external timer in ETWD module, which is based on RTC clock
   − 1 external WDT in ETWD module, which is based on RTC clock
■ UART
   − Full duplex UART
■ ACPI Power Management Channel
   − 2 Power Management channels
   − Compatible and enhanced mode
■ RTC
   − Supports 2 lockable memory areas
   − Supports power-switch circuit
   − Supports two alarms
■ GPIO
   − Supports 71-bit GPIO
   − Programmable pull up/pull down
   − Schmitt trigger for input
■ KBC Interface
   − 8042 style KBC interface
   − Legacy IRQ1 and IRQ12
   − Fast A20G and KB reset
■ ADC
   − 14 ADC channels (10 external)
   − 10-bit ADC resolution (accuracy ±4LSB)
   − Digital filter for noise reduction
   − Conversion time for 14 channels within 100 ms
■ DAC
   − 4 DAC channels
   − 8-bit DAC
■ PWM with SmartAuto Fan Control
   − 8 PWM channels
   − SmartAuto Fan control
   − Base clock frequency is 32.768KHz
   − 2 Tachometers for measuring fan speed
■ PS/2 Interface
   − 4 PS/2 interface
   − Hardware/Software mode selection
■ KB Matrix Scan
   − Hardware keyboard scan
   − 16x8 keyboard matrix scan
■ 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: 50 µA
■ Package
   − 176 pin LQFP