Intel® 500 Series Chipset Family On-Package PCH Datasheet Volume 1

Datasheet

ID Date Version Classification
631119 21/09/2021 00:00:00 Public Content

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Operating Frequency

The eSPI controller supports 20 MHz, 25 MHz, 33 MHz, and 50 MHz. A slave device can support frequencies lower than the recommended maximum frequency (50 MHz). In addition, the slave device must support a minimum frequency of 20 MHz for default (reset) communication between the Master and Slave device.