TLE8263-2E Datasheet, PDF (10/94 Pages) Infineon Technologies AG – Universal System Basis Chip

TLE8263-2E
Confidential
State Machine
4
State Machine
4.1
Block Description
WD trig
First battery connection
(POR)
AND
config0 not active
SPI cmd
SBC Init mode
(256ms max after reset relaxation)
Vcc1
on
L.H.
inact
Vcc2/3
off
CAN
inact
WD
conf
LIN
inact
Condition / event
SBC action
SPI cmd
SBC SW Flash mode
Vcc1
on
L.H.
act/inact
Vcc2/3
on/off
CAN
Tx/Rx
WD
fixed
LIN
Flash
mode
SPI cmd
reset (initiated by SBC )
SBC Normal mode
Vcc1 Vcc2/3 WD
on
on/off conf
L.H.
act/inact
CAN
conf
LIN
conf
WD trig
SPI cmd
OR
WD failed
Detection of falling edge at reset
pin (any mode)
OR
undervoltage reset at VCC1µC
(any mode)
NOT reset clamped
(high or low)
OR
NOT undervoltage
at Vcc1
WK event stored
LH entry condition
stored
OR
Restart entry
condition stored
1st (config1) or 2nd (config3) WD trig
failure
in Normal / Stop / SW Flash mode
Config 1/3:
Reset clamped LOW (any
mode)
SBC Restart mode
Vcc1 Vcc2/3 Reset
on
on/off act.
L.H.
CAN
LIN
act/inact waked or off waked or off
CAN, LIN, WK Wake-up
OR
Release of over temperature at Vcc1
(Wake-up event stored)
(LH entry condition stored)
SPI cmd
SPI cmd
SPI cmd
SBC Sleep mode
Vcc1
off
L.H.
act/inact
Vcc2/3
off
CAN
Wakable/
off
WD
off
LIN
Wakable/
off
Wake up event
Init mode not successful
Config 1/3:
Reset clamped HIGH during restart/ init
SBC Stop mode
SPI cmd
Vcc1
on
L.H.
act/inact
Vcc2/3
on/off
CAN
wakable/
off
WD
fixed/off
LIN
wakable/
off
First battery connection
(POR)
AND
config 0
SBC SW Development
mode
Vcc1 Vcc2/3 WD
mode set mode set mode set
L.H. CAN LIN
mode set mode set mode set
WD trig
1st (config2) or 2nd (config4) WD trig failure
in Normal / Stop / SW Flash mode
Config 2/4:
Reset clamped LOW (any
mode)
SBC Fail-Safe mode
Vcc1
off
L.H.
act
Vcc2/3
off
CAN
sleep
WD
off
LIN
sleep
Config 2/4:
Reset clamped HIGH during Restart
or Init mode
Vcc1 over temperature shutdown
OR
VS > VUV_ON & Undervoltage time
out on VCC1
Figure 3 Power Mode Management
SBC Factory Flash mode
Vcc1 Vcc2/3 WD
ext.
off
off
L.H. CAN LIN
inact.
off
off
Power mode managment.vsd
Data Sheet
10
Rev. 1.0, 2009-03-31