tle8261-2e Infineon Technologies Corporation, tle8261-2e Datasheet - Page 10

• Manufacturer Part Number: tle8261-2e
• Description: Universal System Basis Chip Hermes
• Manufacturer: Infineon Technologies Corporation

4
4.1
Figure 3
Data Sheet
1st (config1) or 2nd (config3) WD trig
in Normal / Stop / SW Flash mode
1st (config2) or 2nd (config4) WD trig failure
in Normal / Stop / SW Flash mode
Reset clamped LOW (any
failure
Config 1/3:
Detection of falling edge at reset
mode)
undervoltage reset at V
Reset clamped LOW (any
State Machine
Block Description
Power Mode Management
pin (any mode)
(any mode)
Config 2/4:
WD trig
mode)
OR
WD failed
CC1µC
SPI cmd
Release of over temperature at Vcc1
OR
(LH entry condition stored)
(Wake-up event stored)
CAN, WK Wake-up
act/inact
act/inact
Vcc1
Vcc1
L.H.
L.H.
on
on
SBC SW Flash mode
SBC Restart mode
OR
SPI cmd
Vcc1
waked or off
L.H.
Vcc2/3
Vcc2/3
NOT reset clamped
act
Tx/Rx
NOT undervoltage
LH entry condition
off
on/off
on/off
CAN
WK event stored
condition stored
CAN
SBC Fail-Safe mode
Restart entry
(high or low)
at Vcc1
stored
OR
OR
Vcc2/3
sleep
CAN
Reset
off
fixed
WD
act.
Vcc1
inact
(256ms max after reset relaxation)
L.H.
WD
on
off
SBC Init mode
First battery connection
act/inact
reset (initiated by SBC )
config0 not active
Reset clamped HIGH during restart / init
Vcc1
L.H.
Vcc2/3
off
Init mode not successful
10
CAN
inact
(POR)
off
SBC Sleep mode
AND
SPI cmd
Reset clamped HIGH during Restart
Vcc1 over temperature shutdown
V
Wakable/
Wake up event
S
Vcc2/3
Config 1/3:
> V
CAN
off
off
UV_ON
WD
conf
or Init mode
out on V
SPI cmd
Config 2/4:
& Undervoltage time
OR
CC1
act/inact
WD
Vcc1
off
L.H.
on
SBC Normal mode
SPI cmd
Vcc2/3
on/off
SPI cmd
CAN
conf
SPI cmd
Condition / event
act/inact
mode set
mode set
Vcc1
L.H.
on
conf
Vcc1
Vcc1
inact.
WD
SBC action
L.H.
SBC Factory Flash mode
ext.
L.H.
SBC SW Development
Power mode managment 8261.vsd
SBC Stop mode
First battery connection
SPI cmd
wakable/
Vcc2/3
mode set
mode set
on/off
CAN
Vcc2/3
Vcc2/3
config 0
mode
Rev. 1.0, 2009-05-26
(POR)
off
AND
CAN
CAN
off
off
WD trig
TLE8261-2E
fixed/off
State Machine
mode set
WD
WD
WD
off
WD trig