TLE9221SX Datasheet, PDF (43/91 Pages) Infineon Technologies AG – FlexRay Transceiver

TLE9221SX
Operating Mode Description
Table 12 Options for changeover to various operating modes
Target Mode
Trigger Event for the Mode Change
Limitation
BD_Standby
Changeover to BD_Standby mode can be made by:
• A valid host command
• An undervoltage event at uV_CC
• A wake-up event
• A power-up event at uV_CC and uV_BAT
Changeover to BD_Standby
mode cannot be made from
BD_Sleep mode via host
command (see Figure 32).
Host commands are blocked if
any undervoltage flag is set.
BD_Sleep
Changeover to BD_Sleep mode can be made by:
• A valid host command
• An undervoltage event at uV_IO or uV_BAT
Changeover to BD_Sleep mode
by a host command is possible
only via the BD_GoToSleep
command (see Figure 32).
Host commands are blocked if
any undervoltage flag is set.
BD_GoToSleep
Changeover to BD_GoToSleep command can only
be made by a valid host command.
The BD_GoToSleep command
can not be executed while the
wake-up flag is active (see
Table 13).
Host commands are blocked if
any undervoltage flag is set.
Interim_BD_Standby Changeover to Interim_BD_Standby mode takes –
place only after an incomplete power-up.
BD_Off
Changeover to BD_Off condition takes place if the –
power supplies uV_BAT and uV_CC are below their reset
thresholds.
Data Sheet
43
Rev. 1.10, 2013-07-15