CAN Bus & AUTOSAR Timestamp Converter
Embedded systems timestamp with hardware-specific scales: CAN bus (ms since boot or global time), AUTOSAR (system time in ticks/seconds since an epoch), and RTOS ticks (tick counts since kernel start).
This converter renders your date-time in each embedded representation so you can correlate CAN trace captures with wall-clock time and generate test vectors for ECU software.
CAN Bus & AUTOSAR Timestamp Converter Quick Reference
| Format | Pattern / Description | Example 1 | Example 2 |
|---|---|---|---|
| CAN Bus / AUTOSAR | 32-bit Hex Millis | 0x19FFB87AA40 | 0x19B76DAA800 |
| CAN Bus Timestamp | 32-bit Cyclic | 0xFB87ABDF | 0x76DAA99B |
| AUTOSAR Time | Abstract Tick | 0x658ee89f10a00 | 0x6474846204000 |
| RTOS Tick Count | Ticks since boot (Sim) | 52200000 | 0 |
* Examples are rendered in UTC for the fixed sample instants above.
When to Use CAN Bus & AUTOSAR Timestamp
CAN trace analysis
Correlate CAN log timestamps (ms since ECU boot) with wall-clock events when debugging vehicle networks.
AUTOSAR SWC development
Generate AUTOSAR system time values (seconds since 2000/1970) for unit tests of time-based logic.
RTOS debugging
Convert RTOS tick counts to elapsed seconds for scheduler analysis and latency measurement.
Frequently Asked Questions
What is CAN bus time?
Usually a millisecond counter since ECU boot or a network-global time base carried in the CAN message or trace header, not an absolute epoch.
What is AUTOSAR system time?
A 64-bit seconds + fraction since 2000-01-01 (or 1970) scale used by AUTOSAR time services; the converter renders the seconds value.
What is an RTOS tick?
The kernel's time unit — typically 1 ms or 10 ms. Ticks ÷ tick rate = elapsed seconds since boot; the converter shows the count at 1 kHz.
Why do embedded timestamps wrap?
32-bit ms counters wrap every ~49.7 days; 16-bit every 65.5 s. Wraparound handling is a classic embedded timestamp bug.
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