VT82C596 datasheet(5/6 Pages) ETC

5 / 6 page

VT82C596A

Revision 1.1 December 9, 1998

-2-

Features

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• Universal Serial Bus Controller

− USB v.1.0 and Intel Universal HCI v.1.1 compatible

− Eighteen level (doublewords) data FIFO with full scatter and gather capability

− Root hub and two function ports

− Integrated physical layer transceivers with over-current detection status on USB inputs

− Legacy keyboard and PS/2 mouse support

• System Management Bus Interface

− Host interface for processor communications

− Slave interface for external SMBus masters

• Sophisticated PC97-Compatible Mobile Power Management

− Supports both ACPI (Advanced Configuration and Power Interface) and legacy (APM) power management

− ACPI v1.0 Compliant

− APM v1.2 Compliant

− CPU clock throttling and clock stop control for complete ACPI C0 to C3 state support

− PCI bus clock run and PCI/CPU clock generator stop control

− Supports multiple system suspend types: power-on suspends with flexible CPU/PCI bus reset options,

suspend to DRAM, and suspend to disk (soft-off), all with hardware automatic wake-up

− Multiple suspend power plane controls and suspend status indicators

− One idle timer, one peripheral timer and one general purpose timer, plus 24/32-bit ACPI compliant timer

− Normal, doze, sleep, suspend and conserve modes

− Global and local device power control

− System event monitoring with two event classes

− Primary and secondary interrupt differentiation for individual channels

− Dedicated input pins for power and sleep buttons, external modem ring indicator, and notebook lid open/close for

system wake-up

− Up to 22 general purpose input ports and 31 output ports

− Multiple internal and external SMI sources for flexible power management models

− Two programmable chip selects and one microcontroller chip select

− Enhanced integrated real time clock (RTC) with date alarm, month alarm, and century field

− Thermal alarm support

− Cache SRAM power-down control

− Hot docking support

− I/O pad leakage control

• Plug and Play Controller

− PCI interrupts steerable to any interrupt channel

− Three steerable interrupt channels for on-board plug and play devices

− Microsoft Windows 95TM and plug and play BIOS compliant

• Built-in NAND-tree pin scan test capability

• 0.5u, 3.3V, low power CMOS process

• Single chip 324 pin BGA

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