TLE8262E datasheet(14/93 Pages) INFINEON

14 / 93 page

Data Sheet

Rev. 1.0, 2009-03-31

TLE8262E

State Machine

Table 2

SBC Restart Mode Entry Reasons and Actions

SBC Mode and Configuration Entering reason

Actions

Mode

Config

LH output

cc1µC

SPI Out Bits

Init Mode

n.a

Init Mode time-out

remains ON LOW

LH 0..2

n.a.

Reset low from

outside

Unchanged

remains ON LOW

RM 0..1

config 1/3

Reset clamped

remains ON LOW

LH 0..2

Normal1)

1) Config 2 will never enter Restart Mode in case of WD failure but directly Fail-Safe Mode

n.a

undervoltage reset

unchanged

ramping up LOW

RM 0..1

config 1

WD trigger failure

remains ON LOW

LH 0..2

config 3

OFF after 1st

ON after 2nd

RM 0..1 after 1st

LH 0..2 after 2nd

config 4

OFF after 1st

RM 0..1 after 1st2)

2) Goes to Fail-Safe Mode after the second consecutive failure

n.a.

Reset low from

outside

Unchanged

remains ON LOW

RM 0..1

config 1/3

Reset clamped

remains ON LOW

LH 0..2

Software Flash

n.a

undervoltage reset

unchanged

remains ON LOW

RM 0..1

n.a

SPI cmd

unchanged

remains ON LOW

RM 0..1

n.a

WD trigger failure

unchanged

remains ON LOW

RM 0..1

n.a.

Reset low from

outside

Unchanged

remains ON LOW

RM 0..1

config 1/3

Reset clamped

remains ON LOW

LH 0..2

Sleep

n.a

Wake-up event

unchanged

ramping up LOW

WK bits register

Stop1)

n.a

undervoltage reset

unchanged

ramping up LOW

RM 0..1

config 1

WD trigger failure

remains ON LOW

LH 0..2

config 3

OFF after 1st

ON after 2nd

RM 0..1 after 1st

LH 0..2 after 2nd

config 4

OFF after 1st

RM 0..1 after 1st2)

n.a.

Reset low from

outside

Unchanged

remains ON LOW

RM 0..1

config 1/3

Reset clamped

remains ON LOW

LH 0..2

Fail-Safe

n.a.

Wake-up event

ramping up LOW

LH 0..2

Software

Development

Mode

n.a

undervoltage reset

unchanged

ramping up LOW

RM 0..1

n.a.

Reset low from

outside

Unchanged

remains ON LOW

RM 0..1

config 1/3

Reset clamped

remains ON LOW

LH 0..2

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