Serial Peripheral Interface: Difference between revisions

Revision as of 16:23, 24 December 2024

Revision as of 23:31, 4 January 2025

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** SDI, DI, DIN, SI, SDA - on sub devices; various abbreviations for ''serial data in''; connects to MOSI on main

** SDO, DO, DOUT, SO - on main devices; various abbreviations for ''serial data out''; connects to MOSI on sub

** COPI, PICO for ''peripheral'' and ''controller'',<ref name="OSHWA">[https://www.oshwa.org/a-resolution-to-redefine-spi-signal-names/ SPI; OSHWA.]</ref><ref name=":5">{{Cite web| title=Product Overview - Translate Voltages for SPI | url=https://www.ti.com/lit/an/scea091a/scea091a.pdf {{Bare| URLarchive-url=https://web.archive.org/web/20220317120519/https://www.ti.com/lit/an/scea091a/scea091a.pdf PDF| archive-date=August 20242022-03-17}}</ref> or COTI for ''controller'' and ''target''<ref name=":1">{{Cite web |title=Serial Peripheral Interface (SPI) Devices |url=https://www.nxp.com/products/interfaces/ic-spi-i3c-interface-devices/www.nxp.com/pages/:SPI |url-status=live |archive-url=https://web.archive.org/web/20230601020101/https://www.nxp.com/products/interfaces/ic-spi-i3c-interface-devices/spi-interface-devices:SPI |archive-date=2023-06-01 |access-date=2023-07-22 |website=[[NXP]]}}</ref>

* Main in, sub out (MISO)

** SOMI, MRST, SPIQ - correspond to MISO on both main and sub devices, connects to each other