NextPort:$EB: Difference between revisions

Latest revision as of 13:44, 21 February 2026

Port Number	$EB
Decimal	235
Short desc.	Read or write data to the selected SPI device.
Bit Mask
Readable	Yes
Writable	Yes
Subsystem

@@ Line 2: / Line 2: @@
 |Number=$EB
 |NumberDec=235
-|ShortDesc=SPI CS
+|ShortDesc=Read or write data to the selected SPI device.
 |Readable=Yes
 |Writable=Yes
 }}
-{| class="wikitable"
-! Bit !! Description
-|-
-| 7 || 0 to select the fpga flash (unavailable - internal use only)
-|-
-| 3 ||  0 to select pi spi 1 on the gpio pins
-|-
-| 2 || 0 to select pi spi 0 on the gpio pins
-|-
-| 1 || 0 to select sd card 1
-|-
-| 0 || 0 to select sd card 0
-|}
-* Only one of these bits must be 0, if not the result will be no device selected.
-* pi gpio must be configured for spi, see nextreg 0xa0