Terminology » Protocols » CAN vs TTCAN: Key Differences Explained

CAN vs TTCAN: Key Differences Explained

can ttcan automotive network protocol

This page compares CAN vs TTCAN and highlights the key differences between them.

Specifications

Here’s a comparison table outlining the features of CAN and TTCAN:

SpecificationsCANTTCAN
Full formController Area NetworkTime-Triggered CAN
Messaging typeEvent triggered messagesEvent and Time triggered messages
Network synchronizationPriority based arbitrationGlobal reference time
Node controlAutonomousAutonomous, master/slave
Message retransmissionSupportedSupported
Error managementCRC Frame field, Bit monitoring, Bit stuffing, Error Frames, Overload framesSame as mentioned in CAN
Bandwidth125 Kbps maximum10 Mbps maximum
Physical2 wire with interference protection2 wire with interference protection
ApplicationsDisplays, alarm systems, lighting, A/C seat & mirror adjustments, power windows, windshield wipers, headlampsEngine, transmission, Steering, Braking, Suspension, Safety, Assistance, Diagnostics
CostMediumHigher

Table 1 above provides a detailed comparison between CAN and TTCAN interface types. CAN is widely used in automotive and other applications, while TTCAN, or Time-Triggered CAN, is used in applications where deterministic behavior is more critical.