Intel 6 SERIES CHIPSET - DATASHEET 01-2011 Datasheet page 39

External Glue Integration

— Integrated Pull-down and Series resistors
on USB
Enhanced DMA Controller

— Two cascaded 8237 DMA controllers
— Supports LPC DMA
SMBus

— Interface speeds of up to 100 kbps
— Flexible SMBus/SMLink architecture to
optimize for ASF
— Provides independent manageability bus
through SMLink interface
— Supports SMBus 2.0 Specification
— Host interface allows processor to
communicate using SMBus
— Slave interface allows an internal or
external microcontroller to access system
resources
— Compatible with most two-wire
components that are also I
High Precision Event Timers

— Advanced operating system interrupt
scheduling
Timers Based on 82C54

— System timer, Refresh request, Speaker
tone output
Real-Time Clock

— 256 byte battery-backed CMOS RAM
— Integrated oscillator components
— Lower Power DC/DC Converter
implementation
System TCO Reduction Circuits

— Timers to generate SMI# and Reset upon
detection of system hang
— Timers to detect improper processor reset
— Supports ability to disable external devices
JTAG

— Boundary Scan for testing during board
manufacturing
Note: Not all features are available on all PCH SKUs. See
Datasheet
Serial Peripheral Interface (SPI)

— Supports up to two SPI devices
— Supports 20 MHz, 33 MHz, and 50 MHz SPI
— Support up to two different erase
Firmware Hub I/F supports BIOS Memory size

up to 8 MB
Low Pin Count (LPC) I/F

— Supports two Master/DMA devices.
— Support for Security Device (Trusted
Interrupt Controller

— Supports up to eight PCI interrupt pins
— Supports PCI 2.3 Message Signaled
— Two cascaded 82C59 with 15 interrupts
— Integrated I/O APIC capability with 24
— Supports Processor System Bus interrupt
2
C compatible
1.05 V operation with 1.5/3.3 V I/O

— 5 V tolerant buffers on PCI, USB and
1.05 V Core Voltage

Integrated Voltage Regulators for select power

rails
GPIO

— Open-Drain, Inversion
— GPIO lock down
Analog Display (VGA)

Digital Display

— Three Digital Ports capable of supporting
— One Digital Port supporting SDVO
— LVDS
— Integrated DisplayPort/HDMI Audio
— HDCP Support
Package

— 27 mm x 27 mm FCBGA (Desktop Only)
— 25 mm x 25 mm FCBGA (Mobile Only)
Section 1.3 for more details.
§ §
devices
granularities
Platform Module) connected to LPC
Interrupts
interrupts
delivery
selected Legacy signals
HDMI/DVI, DisplayPort*, and embedded
DisplayPort (eDP*)
39