SLLA685
July 2026
TCAN4550-Q1
,
TCAN4551-Q1
1
Abstract
1
Basic Introduction to TCAN455x-Q1
1.1
What is an SBC?
1.2
What is CAN FD?
1.3
What are the advantages of the TCAN455x-Q1?
1.4
Difference between TCAN4550-Q1 and TCAN4551-Q1
2
TCAN455x-Q1 Peripheral Circuit Design
2.1
Power Supply Pins
2.2
SPI and IO Pins
2.3
CAN Pins
2.4
Clock Pins
2.5
Other Pins
3
Clock Circuit Design for the TCAN455x-Q1
3.1
Internal Clock Circuit and Operating Principles
3.2
Quartz Crystal Clock Mode Principle
3.3
Quartz Crystal Parameters
3.4
Quartz Crystal Selection
3.4.1
Issue of Erroneous Entry into Single-Ended Clock Mode
3.4.2
Solutions for Erroneous Entry into Single-Ended Clock Mode
4
Conclusion
5
References
5
References
TCAN4550-Q1 Datasheet (SLLSEZ5D)
TCAN4551-Q1 Datasheet (SLLSEZ4A)
System Basis Chip 101 – A Beginner's Guide to CAN, CAN FD, and LIN SBCs (ZHCT498A)
Precision Labs Series: CAN & LIN Transceivers & SBCs
CDCE6214-Q1 Crystal-Based Oscillator Design
TCAN455x Clock Optimization and Design Guidelines (SLLA549)
TCAN4550-Q1: Osc1 Osc2 Amplitude Requirement – Interface – INTERNAL Forum – Interface – INTERNAL – TI E2E Support Forums