SPI
E745388
SPI (Serial Peripheral Interface) is a synchronous serial communication protocol commonly used in embedded systems to connect microcontrollers with peripherals such as sensors, memory, and displays.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Serial Peripheral Interface | 2 |
| SPI canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8612127 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SPI Context triple: [I2C, competesWith, SPI]
-
A.
SPI
SPI is the IATA airport code for Abraham Lincoln Capital Airport serving Springfield, Illinois, in the United States.
-
B.
SPI
SPI is the Office of Sanctions Policy and Implementation, a U.S. State Department office responsible for developing and coordinating economic sanctions policy.
-
C.
SPI
SPI is a stock market index that includes companies such as SIX:NESN and tracks the performance of the broader Swiss equity market.
-
D.
I2C
I2C is a widely used two-wire serial communication bus that enables simple, low-speed data exchange between microcontrollers and peripheral devices on the same circuit board.
-
E.
MOSI
MOSI is a major science and technology museum known for its interactive exhibits and educational programs that promote public engagement with science and industry.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SPI Target entity description: SPI (Serial Peripheral Interface) is a synchronous serial communication protocol commonly used in embedded systems to connect microcontrollers with peripherals such as sensors, memory, and displays.
-
A.
SPI
SPI is the IATA airport code for Abraham Lincoln Capital Airport serving Springfield, Illinois, in the United States.
-
B.
SPI
SPI is a stock market index that includes companies such as SIX:NESN and tracks the performance of the broader Swiss equity market.
-
C.
SPI
SPI is the Office of Sanctions Policy and Implementation, a U.S. State Department office responsible for developing and coordinating economic sanctions policy.
-
D.
I2C
I2C is a widely used two-wire serial communication bus that enables simple, low-speed data exchange between microcontrollers and peripheral devices on the same circuit board.
-
E.
MOSI
MOSI is a major science and technology museum known for its interactive exhibits and educational programs that promote public engagement with science and industry.
- F. None of above. chosen
Statements (65)
| Predicate | Object |
|---|---|
| instanceOf | serial communication protocol ⓘ |
| abbreviationFor |
Serial Peripheral Interface
ⓘ
linked to:
SPI
|
| addressingMethod | chip select lines per slave ⓘ |
| advantage |
higher throughput potential
ⓘ
simple hardware implementation ⓘ |
| alternativeSignalName |
CS
ⓘ
CS_N ⓘ NSS ⓘ SCK ⓘ |
| bitOrder | MSB first (typical) ⓘ |
| clocking | continuous or burst clocking ⓘ |
| clockSource | master device ⓘ |
| communicationType | serial ⓘ |
| comparedTo |
I2C
ⓘ
UART ⓘ |
| dataDirection | bidirectional ⓘ |
| dataFrameSize | implementation dependent ⓘ |
| designedBy | Motorola ⓘ |
| disadvantage |
no built-in acknowledgment mechanism
ⓘ
requires more pins than I2C ⓘ |
| doesNotDefine |
standard connector
ⓘ
standard device addressing scheme ⓘ standard maximum clock frequency ⓘ |
| errorChecking | implementation dependent ⓘ |
| fullName |
Serial Peripheral Interface
ⓘ
linked to:
SPI
|
| hasSignal |
MISO
ⓘ
MOSI ⓘ SCLK ⓘ SS ⓘ |
| introducedIn | 1980s ⓘ |
| modeParameters |
clock phase (CPHA)
ⓘ
clock polarity (CPOL) ⓘ |
| physicalLayer | four-wire interface ⓘ |
| signalRole_MISO | master in slave out data line ⓘ |
| signalRole_MOSI | master out slave in data line ⓘ |
| signalRole_SCLK | serial clock from master ⓘ |
| signalRole_SS | slave select line ⓘ |
| standardizedIn | various microcontroller vendor datasheets ⓘ |
| supports |
daisy-chain configuration
ⓘ
full-duplex communication ⓘ higher clock speeds than I2C (typically) ⓘ multi-slave configuration ⓘ multiple chip select lines ⓘ multiple slaves with independent chip selects ⓘ single-master configuration ⓘ |
| supportsBitOrder | LSB first (implementation dependent) ⓘ |
| supportsMode |
mode 0
ⓘ
mode 1 ⓘ mode 2 ⓘ mode 3 ⓘ |
| synchronizationType | synchronous ⓘ |
| topology | master-slave ⓘ |
| typicalDataFrameSize | 8 bits ⓘ |
| usedFor |
board-level communication
ⓘ
communication between microcontrollers and peripherals ⓘ short-distance communication ⓘ |
| usedIn |
embedded systems
ⓘ
microcontroller-based systems ⓘ |
| usedWith |
ADCs
ⓘ
DACs ⓘ EEPROM ⓘ LCD displays ⓘ SD cards ⓘ flash memory ⓘ sensors ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: SPI Description of subject: SPI (Serial Peripheral Interface) is a synchronous serial communication protocol commonly used in embedded systems to connect microcontrollers with peripherals such as sensors, memory, and displays.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: SPI