Figure 9. CAN physical transceiver circuit
The LPC55Sxx CAN-FD module is a full implementation of the CAN protocol specification, the CAN with Flexible Data rate (CAN
FD) protocol and the CAN 2.0 version B protocol, which supports both standard and extended message frames and long payloads
up to 64 bytes transferred at faster rates up to 8 Mbps. Like most others CAN physical transceivers, the CANH and CANL are
available for the designer to terminate bus depending on the application. Figure 9 and Figure 10 show examples of the CAN
node terminations.
Figure 10. CAN physical transceiver circuit
8 Analog
8.1 ADC impedance
Figure 11 shows the ADC block diagram of LPC55Sxx.
NXP Semiconductors
Analog
Hardware Design Guidelines for LPC55(S)xx Microcontrollers, Rev. 0, 30 October 2020
Application Note 15 / 24
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