Intel® Processor and Intel® Core™ i3 N-Series

Datasheet, Volume 1 of 2

ID Date Version Classification
759603 01/04/2023 Public

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Document Table of Contents

Serial Peripheral Interface (SPI)

The PCH provides two Serial Peripheral Interfaces (SPI). The SPI0 interface consists of three Chip Select signals. SPI0 interface can allow two flash memory devices (SPI0_​CS0# and SPI0_​CS1#) and one TPM device (SPI0_​CS2#) to be connected to the PCH. The SPI0 interface support either 1.8 V or 3.3 V. The voltage is selected via a Hardware strap on SPIVCCIOSEL signal. Refer to VCCSPI Voltage (3.3 V or 1.8 V) Selection.

Acronyms

Acronyms

Description

CLK

Clock

CS

Chip Select

FCBA

Flash Component Base Address

FIBA

Flash Initialization Base Address

FLA

Flash Linear Address

FMBA

Flash Initiator Base Address

FPSBA

Flash PCH Strap Base Address

FRBA

Flash Region Base Address

MDTBA

MIP Descriptor Table Base Address

MISO

Initiator In Target Out

MOSI

Initiator Out Target In

TPM

Trusted Platform Module