L99PM62XP datasheet(20/98 Pages) STMICROELECTRONICS

20 / 98 page

Description

L99PM62XP

20/98

Doc ID 16363 Rev 4

2.3

Functional overview (truth table)

Table 4.

Functional overview (truth table)

Function

Comments

Operating modes

Active mode

V1-standby

static mode

(cyclic sense)

VBAT-standby

static mode

(cyclic sense)

Voltage-regulator, V1

VOUT = 5 V

On(1)

Off

Voltage-regulator, V2

VOUT = 5 V

On/ Off (2)

On(2) / Off

Reset-generator

Off

Window watchdog

V1 monitor

Off (On: I_V1 > Icmp-

threshold and Icmp =0)

Off

Wake up

Off

Active(3)

HS-cyclic supply

Oscillator time

base

On / Off

On(2) / Off

Relay driver

Off

Operational amplifiers

Off

LIN

LIN 2.1

Off(4)

HS_CAN

Off(4)

FSO (if configured by

SPI), active by default

Fail safe

output

OUT3/FSO Off(5)

Oscillator

(6)

Vs-monitor

(7)

Supply the processor in low current mode.

Only active when selected via SPI.

Unless disabled by SPI.

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

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

ON in fail-safe condition: If Standby mode is entered with active Fail Safe mode, the output remains ON in Standby mode.

Activation = ON if cyclic sense is selected.

cyclic activation = pulsed ON during cyclic sense.

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