Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
Serial Peripheral Interface (SPI) is a de facto standard (with many variants) for synchronous serial communication, used primarily in embedded systems for short-distance wired communication between integrated circuits.
Standards & Applications
Explore the main themes, entities and connections around Serial Peripheral Interface. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
spi slave master devices data clock serial bus used ss may interface signal communication use mode support signals bit slaves
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Serial Peripheral Interface | Connector | Unspecified | 1.00 | infobox |
| Serial Peripheral Interface | Daisy chain | Depends on devices | 1.00 | infobox |
| Serial Peripheral Interface | Designed | Around early 1980s[note 1] | 1.00 | infobox |
| Serial Peripheral Interface | Designer | Motorola | 1.00 | infobox |
| Serial Peripheral Interface | Manufacturer | Various | 1.00 | infobox |
| Serial Peripheral Interface | Max. current | Unspecified | 1.00 | infobox |
| Serial Peripheral Interface | Max. devices | Multidrop limited by slave selects. Daisy chaining unlimited. | 1.00 | infobox |
| Serial Peripheral Interface | Max. voltage | Unspecified | 1.00 | infobox |
| Serial Peripheral Interface | MISO | Master In Slave Out | 1.00 | infobox |
| Serial Peripheral Interface | MOSI | Master Out Slave In | 1.00 | infobox |
| Serial Peripheral Interface | Protocol | Full-duplex serial | 1.00 | infobox |
| Serial Peripheral Interface | SCLK | Serial Clock | 1.00 | infobox |
| Serial Peripheral Interface | SS | Slave Select (one or more) | 1.00 | infobox |
| Serial Peripheral Interface | Type | Serial communication bus | 1.00 | infobox |
| Serial Peripheral Interface | Width | 1 bit (bidirectional) | 1.00 | infobox |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.