ra8_sdmmc_spi_sci_pins_t Struct Reference

The four bus pins of an SCI Simple-SPI SD slot. More...

#include <ra8_sdmmc_spi.h>

Data Fields
ra8_port_pin_t	sck
	SPI clock pin (routed to SCKn).
ra8_port_pin_t	cipo
	Controller-In / Peripheral-Out pin (CIPOn).
ra8_port_pin_t	copi
	Controller-Out / Peripheral-In pin (COPIn).
ra8_port_pin_t	cs
	Chip-select pin, driven as a GPIO output.

Detailed Description

The four bus pins of an SCI Simple-SPI SD slot.

Names the SCK / CIPO / COPI / CS pins routed to one SCI channel running in Simple-SPI mode. On the EK-RA8D2 these are the Pmod2 (J25) pins exposed as k_ra8_board_pmod2_spi_sck and friends. The chip-select is driven as a plain GPIO output (SD SPI-mode holds CS asserted across a whole command + data trailer, which the SCI hardware chip-select controller cannot do).

Invariant

sck, cipo, copi, cs are four distinct pins.

See also

ra8_sdmmc_spi_transport_sci

Since

0.1.0

Definition at line 193 of file ra8_sdmmc_spi.h.

Field Documentation

cipo

ra8_port_pin_t ra8_sdmmc_spi_sci_pins_t::cipo

Controller-In / Peripheral-Out pin (CIPOn).

Definition at line 195 of file ra8_sdmmc_spi.h.

Referenced by internal_sci_transport_bringup().

copi

ra8_port_pin_t ra8_sdmmc_spi_sci_pins_t::copi

Controller-Out / Peripheral-In pin (COPIn).

Definition at line 196 of file ra8_sdmmc_spi.h.

Referenced by internal_sci_transport_bringup().

cs

ra8_port_pin_t ra8_sdmmc_spi_sci_pins_t::cs

Chip-select pin, driven as a GPIO output.

Definition at line 197 of file ra8_sdmmc_spi.h.

Referenced by internal_sci_transport_bringup(), and ra8_sdmmc_spi_transport_sci().

sck

ra8_port_pin_t ra8_sdmmc_spi_sci_pins_t::sck

SPI clock pin (routed to SCKn).

Definition at line 194 of file ra8_sdmmc_spi.h.

Referenced by internal_sci_transport_bringup().

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The documentation for this struct was generated from the following file:

• libs/ra8_sdmmc_spi/inc/ra8_sdmmc_spi.h