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4.12.7 CAN network AC electrical specifications

The Controller Area Network (CAN) module is a communication controller implementing the CAN protocol according to the

CAN with Flexible Data rate (CAN FD) protocol and the CAN 2.0B protocol specification. The processor has two CAN modules

available. Tx and Rx ports for both modules are multiplexed with other I/O pins. See the IOMUXC chapter of the device reference

manual to see which pins expose Tx and Rx pins; these ports are named CAN_TX and CAN_RX, respectively.

The DSE[5:0] = 001111 and FSEL1[1:0] = 11 are required drive settings to meet the timing.

Please see General purpose I/O (GPIO) AC parameters for timing parameters.

Table 73. CAN-FD electrical specifications

Parameters

FlexCAN (Classical and FD)

Unit

Maximum Baud Rate

8/8

Mbps

TXD Rise time wcs

4/4

TXD Fall time wcs

4/4

RXD Rise time wcs

4/4

RXD Fall time wcs

4/4

TXD

3.3/3.3

RXD

3.3/3.3

Internal delay wcs

100/50

TX PAD delay wcs

25/25

RX PAD delay wcs

10/10

TX routing delay wcs

5/5

RX routing delay wcs

5/5

Transceiver loop delay wcs

250/250

Total loop delay

395/345

4.12.8 Timer/Pulse width modulator (TPM) timing parameters

This section describes the output timing parameters of the TPM.

The DSE[5:0] = 001111 and FSEL1[1:0] = 11 are required drive settings to meet the timing.

Figure 42 depicts the timing of the PWM, and Table 74 lists the TPM timing parameters.

NXP Semiconductors

IMX93CEC

i.MX 93 Applications Processors Data Sheet for Commercial Products

IMX93CEC

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 7 — 12 February 2026

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