Datasheet

Signal Description
58 Datasheet, Volume 1
6.4 PCI Express* Based Interface Signals
6.5 DMI—Processor to PCH Serial Interface
6.6 PLL Signals
Table 6-6. PCI Express* Based Interface Signals
Signal Name Description Direction Type
PEG_ICOMPI PCI Express Current Compensation. I Analog
PEG_ICOMPO PCI Express Current Compensation. I Analog
PEG_RBIAS PCI Express Resistor Bias Control. I Analog
PEG_RCOMPO PCI Express Resistance Compensation. I Analog
PEG_RX[15:0]
PEG_RX#[15:0]
PCI Express Receive Differential Pair.
I PCI Express
PEG_TX[15:0]
PEG_TX#[15:0]
PCI Express Transmit Differential Pair.
O PCI Express
Table 6-7. DMI—Processor to PCH Serial Interface
Signal Name Description Direction Type
DMI_RX[3:0]
DMI_RX#[3:0]
DMI input from PCH: Direct Media Interface receive
differential pair.
IDMI
DMI_TX[3:0]
DMI_TX#[3:0]
DMI output to PCH: Direct Media Interface transmit
differential pair.
ODMI
Table 6-8. PLL Signals
Signal Name Description Direction Type
BCLK[0]
BCLK#[0]
Differential bus clock input to the processor.
I Diff Clk
BCLK[1]
BCLK#[1]
Differential bus clock input to the processor. Reserved
for possible future use.
I Diff Clk
BCLK_ITP
BCLK_ITP#
Buffered differential bus clock pair to ITP..
O Diff Clk
PEG_CLK
PEG_CLK#
Differential PCI Express / DMI Clock In:
These pins receive a 100-MHz Serial Reference clock.
This clock is used to generate the clocks necessary for
the support of PCI Express. This also is the reference
clock for Intel
®
Flexible Display Interface.
I Diff Clk