SPSB081 datasheet(19/135 Pages) STMICROELECTRONICS

19 / 135 page

Version

Function

Comments

Operating modes

Active mode

V1_standby static

mode (cyclic

sense)

VBAT_standby

static mode

(cyclic sense)

3.4.5

Wake-up

Off

Active

Active(3)

3.4.6

HS-cyclic supply

Oscillator time

base

On/Off

On (2)/Off

3.4.7

LIN

LIN 2.2a

On (2)

Off

Off(4)

3.4.8

CAN FD

On/Off

Off(4)

3.4.9

Oscillator

On/Off

On/Off(6)

3.4.10

Vs monitor

On/Off (7)

3.4.11

OUT1 (P-channel

HS)

On/Off(2)

3.4.12

OUT2 (P-channel

HS)

On/Off(2)

3.4.13

OUT3 (P-channel

HS)

On/Off(2)

On/ Off(2)

3.4.14

OUT4 (P-channel

HS)

On/Off(2)

On/ Off(2)

3.4.15

Thermal shutdown

TSD2

Off

3.4.16

Thermal shutdown

TSD1x (for P-

channel HS)

On (8)

On/Off(2)

1. Supply the processor in low current mode.

2. According to SPI setting

3. Unless disabled by SPI

4. The bus state is internally stored when going to standby mode. A change of bus state will lead to a wake-up after exceeding

of internal filter time (if wake up by LIN or CAN is not disabled by SPI).

5. After power-on, the CAN FD transceiver is in ‘CAN Trx standby’ mode. It is activated by SPI command (CAN_ACT = 1)

6. ON, if is enabled at least one of the following: Cyclic sense, OUT1, OUT2, OUT3, OUT4, V2.

7. ON when at least one OUTx is enabled and OFF when OUTx are disabled.

8. V1, V2, OUT1, OUT2, OUT3, and OUT4 are thermal monitored.

SPSB081

Functional overview (truth table)

DS14048 - Rev 1

page 19/135

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