Remember I2C
Full name: Inter-Integrated Circuit
Memory aid: Integrated Circuits Communicate on two shared signal lines.
Voltage levels, addressing, pull-ups, and bus length matter.
Study area: Expansion buses · Batch 6
Relevant study for: CompTIA A+ Core 1 220-1201 · CompTIA Server+
Practice with exam flashcards →Hardware & Components / Knowledge library
I2C — Inter-Integrated Circuit
Connects integrated circuits using a shared clocked two-wire interface.
Why learn I2C — Inter-Integrated Circuit?
Connects integrated circuits using a shared clocked two-wire interface.
Where it came from
Voltage levels, addressing, pull-ups, and bus length matter.
- Memory aid (a learning cue, not the expansion): Integrated Circuits Communicate on two shared signal lines.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand I2C: Inter-Integrated Circuit.
- Recall this memory aid: Integrated Circuits Communicate on two shared signal lines.
- Explain the practical use: Connects integrated circuits using a shared clocked two-wire interface.
- Explain this distinction: Voltage levels, addressing, pull-ups, and bus length matter.
- Identify I2C in a device specification, architecture diagram, or system inventory.
Documentation and sources
- NXP I2C-bus specification and user manual (www.nxp.com)