SPSB081 datasheet(29/137 Pages) STMICROELECTRONICS

29 / 137 page

3.11.3.1

Pattern wake-up (default)

Figure 18. Wake-up behavior according to LIN ISO 17987-4/2016

3.11.3.2

Status change wake-up - Recessive-to-dominant

Normal wake-up can occur when the LIN transceiver was set in standby mode while LIN was in recessive (high)

state. A dominant level at LIN for tLINBUS switches the device to active mode.

3.11.3.3

Status change wake-up - Dominant-to-recessive

If the LIN transceiver was set in standby mode while LIN was in dominant (low) state, recessive level at LIN for

tLINBUS, switches the device to active mode.

3.12

CAN FD bus transceiver

3.12.1

Features

•

ISO 11898-2:2016 compliant

•

CAN-FD cell has been designed according to “Hardware requirements for transceivers (version 1.3)”

•

Listen mode (transmitter disabled)

•

SAE J2284 compliant

•

Supported bit rates of at least 2 Mb/s for operation (5 Mb/s max bit rate)

•

Function range from -27 V to +40 V DC at CAN pins.

•

GND disconnection fail-safe at module level.

•

GND shift operation at system level.

•

Microcontroller interface with CMOS compatible I/O pins.

•

ESD and transient immunity according to ISO7637 and EN/IEC61000-4-2

•

Matched output slopes and propagation delay

3.12.2

CAN transceiver supply

The two low drops out voltage regulators (V1 and V2) are able to supply the CAN FD transceiver when configured

as a 5 V LDO (see Table 6).

CAN FD supply is monitored, only in active mode, assuring the properly rail:

SPSB081

CAN FD bus transceiver

DS14048 - Rev 3

page 29/137

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