Intel G870 BX80623G870 User Manual
Product codes
BX80623G870
Datasheet, Volume 1
33
Interfaces
2.5
Platform Environment Control Interface (PECI)
The PECI is a one-wire interface that provides a communication channel between a
PECI client (processor) and a PECI master. The processor implements a PECI interface
to:
PECI client (processor) and a PECI master. The processor implements a PECI interface
to:
• Allow communication of processor thermal and other information to the PECI
master.
• Read averaged Digital Thermal Sensor (DTS) values for fan speed control.
2.6
Interface Clocking
2.6.1
Internal Clocking Requirements
§ §
Table 2-4.
Reference Clock
Reference Input Clock
Input Frequency
Associated PLL
BCLK[0]/BCLK#[0]
100 MHz
Processor/Memory/Graphics/PCIe/DMI/FDI