NP5 SPI Online Manual

Connection SPI

The following figure shows a reference circuit for connecting the NP5 SPI

Note: For the standard assignment of the connections, see Pin assignment.

PCI-specific pin assignment for SPI:

Pin

Name

Description/function

A15 SLOT_SPI_MOSI

SLOT_SPI

A16 SLOT_SPI_MISO

SLOT_SPI

A17 SLOT_SPI_SCK

SLOT_SPI

A18 SLOT_SPI_CS

SLOT_SPI

A19 COMM_SPI_MOSI

COMM_SPI

A20 COMM_SPI_MISO

COMM_SPI

A21 COMM_SPI_SCK

COMM_SPI

A22 COMM_SPI_CS

COMM_SPI

Bus topology

The SPI bus uses the SCK (source clock), MOSI (master out, slave in), MISO (master in, slave out) and CS (chip select) cables.

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