600 Series Chipset Family Platform Controller Hub

Datasheet, Volume 1 of 2

ID 648364
Date 05/10/2022
Document Table of Contents

Signal Description

Signal Descriptions

Signal Name

Type

SSC

Capable

Description

CLKOUT_​PCIE_​N0

CLKOUT_​PCIE_​N1

CLKOUT_​PCIE_​N2

CLKOUT_​PCIE_​N3

CLKOUT_​PCIE_​N4

CLKOUT_​PCIE_​N5

CLKOUT_​PCIE_​N6

CLKOUT_​PCIE_​N7

CLKOUT_​PCIE_​N8

CLKOUT_​PCIE_​N9

CLKOUT_​PCIE_​N10

CLKOUT_​PCIE_​N11

CLKOUT_​PCIE_​N12

CLKOUT_​PCIE_​N13

CLKOUT_​PCIE_​N14

CLKOUT_​PCIE_​N15

CLKOUT_​PCIE_​N16

CLKOUT_​PCIE_​N17

CLKOUT_​PCIE_​P0

CLKOUT_​PCIE_​P1

CLKOUT_​PCIE_​P2

CLKOUT_​PCIE_​P3

CLKOUT_​PCIE_​P4

CLKOUT_​PCIE_​P5

CLKOUT_​PCIE_​P6

CLKOUT_​PCIE_​P7

CLKOUT_​PCIE_​P8

CLKOUT_​PCIE_​P9

CLKOUT_​PCIE_​P10

CLKOUT_​PCIE_​P11

CLKOUT_​PCIE_​P12

CLKOUT_​PCIE_​P13

CLKOUT_​PCIE_​P14

CLKOUT_​PCIE_​P15

CLKOUT_​PCIE_​P16

CLKOUT_​PCIE_​P17

O

Yes

PCI Express* Clock Output: Serial Reference 100 MHz PCIe* specification compliant differential output clocks to PCIe* devices

GPP_​D0 / SRCCLKREQ0#

GPP_​D1 / SRCCLKREQ1#

GPP_​D2 / SRCCLKREQ2#

GPP_​D3 / SRCCLKREQ3#

GPP_​D11 / SRCCLKREQ4#

GPP_​D12 / SRCCLKREQ5#

GPP_​D13 / SRCCLKREQ6#

GPP_​D14 / SRCCLKREQ7#

GPP_​H2 / SRCCLKREQ8#

GPP_​H3 / SRCCLKREQ9#

GPP_​H4 / SRCCLKREQ10#

GPP_​H5 / SRCCLKREQ11#

GPP_​H6 / SRCCLKREQ12#

GPP_​H7 / SRCCLKREQ13#

GPP_​H8 / SRCCLKREQ14#

GPP_​H9 / SRCCLKREQ15#

GPP_​J8 / SRCCLKREQ16#

GPP_​J9 / SRCCLKREQ17#

I/O

Clock Request: Serial Reference Clock request signals for PCIe* 100  MHz differential clocks

CLKOUT_​CPUNSSC_​P

CLKOUT_​CPUNSSC_​N

O

No

Unfiltered Clock from Crystal to CPU: 38.4 MHz differential re - buffered crystal reference clock to the processor

CLKOUT_​CPUBCLK_​P

CLKOUT_​CPUBCLK_​N

O

Yes

Differential Clock to CPU : 100 MHz differential core reference clock to the processor

CLKOUT_​CPUPCIBCLK_​P

CLKOUT_​CPUPCIBCLK_​N

O

Yes

Differential PCIe* Reference Clock to CPU : 100 MHz differential PCIe* reference clock to the Processor

XTAL_​IN

I

Crystal Input: Input connection for 38.4 MHz crystal to PCH

XTAL_​OUT

O

Crystal Output: Output connection for 38.4 MHz crystal to PCH

Notes:
  1. SSC = Spread Spectrum Clocking. Intel does not recommend changing the Plan of Record and fully validated SSC default value set in BIOS Reference Code. The SSC level must only be adjusted for debugging or testing efforts.