MIPI I3C is a serial communication interface specification that improves upon the features, performance, and power use of I²C, while maintaining backward compatibility for most devices.
MIPI I3C carries the advantages of I²C in simplicity, low pin count, easy board design, and multi-drop (vs. point-to-point), but provides the higher data rates, simpler pads, and lower power of SPI. MIPI I3C then adds higher throughput for a given frequency, In-Band Interrupts (from Target to Controller), Dynamic Addressing, advanced power management, and Hot-Join.
MIPI I3C was initially intended for mobile applications as a single interface that can be used for all digitally interfaced sensors. However, it is now intended for all mid-speed embedded and deeply-embedded applications across sensors, actuators, power regulators, MCUs, FPGAs, etc. The interface is also useful for other applications, as it offers high-speed data transfer at very low power levels while allowing multi-drop, which is highly desirable for any embedded system.
DDR5 also uses MIPI I3C as one of the core technologies for DDR5 SPD. After using MIPI I3C instead of I2C, the bit rate can be increased by 12.5x to 125x depending on the actual build condition.
Application: I3C is an extension of I2C, the speed is about 12.5MHz / Signal: SCK, SDA / Voltage: 3.3~1.2V
Logic Analyzer / MSO
| TB3016F | MSO2116E (w/ analog channels) | MSO3124V (w/ electrical validation) |
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| TB3000 series Specifications PDF | MSO2000 series Specifications PDF | MSO3000 series Specifications PDF |
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| Model | TB3016F | MSO2116E | MSO3124V |
| Decode / Trigger | y | y | y |
| Analog Channels | y | y | |
| Electrical Validation | y |
[Logic Analyzer software] Live Mode
[Logic Analyzer software] Decode + Digital Waveform + Analog Waveform:
Save as TXT/CSV
In Logic Analyzer mode, click the icon above the report area to save the decoded data as a TXT/CSV file. |
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[Protocol Analyzer software] Data Report + Statistics:
Save as TXT/CSVIn Protocol Analyzer mode, click the icon above the report area to save the decoded data as a TXT/CSV file.
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MIPI I3C Electrical Validation
MIPI I3C Electrical Validation offers various electrical measurements compliance testing as specified in the MIPI I3C Specification (currently supports MIPI I3C version 1.1.1).
Supported Models: TS3124V (4-channel DSO), MSO3124V (4-channel DSO + 16-channel LA)
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Electrical Validation Solution PDF |
I3C Decoding Setup Steps1. Click Quick Settings or Add Protocol Decode to select a protocol for logic analyzer capture. 2. Select MIPI I3C for decoding. 3. If you use Quick Settings, the system will recommend configurations for trigger type, sampling rate, voltage threshold, and channel settings. 4. Click the icon to access the Decode Settings screen. |
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Decode Settings
I3C Digital Pattern Generator:
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TravelData3000 series  |
TD3000 series Specifications PDF
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YouTube Video
I3C Decoding Example
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