Technical Reference Manual 002-29852 Rev. *B
Bits Name SW HW Default or
Enum
Description
31 VALID RW RW1S 0 Valid indication:
'0': Invalid.
'1': Valid. STATUS.IDX, DATA0, ..., DATA3 specify the
fault.
Note: Typically, HW sets this field to '1' (on an
activated HW fault source that is 'enabled' by the
MASK registers) and SW clears this field to '0'
(typically by boot code SW (after a warm system reset,
when the fault is handled). In this typical use case
scenario, the HW source fault data is simultaneously
captured into DATA0, ..., DATA3 when the VALID field
is set to '1'.
An exceptional SW use case scenario is identified as
well. In this scenario, SW sets this field to '1' with a
fault source index different to one of the defined HW
fault sources. SW update is not restricted by the MASK
registers). In both use case scenarios, the following
holds:
- STATUS.IDX, DATA0, ..., DATA3 can only be written
when STATUS.VALID is '0'; the fault structure is not in
use yet. Writing STATUS.VALID to '1' effectively locks
the fault structure (until SW clears STATUS.VALID to
'0'). This restriction requires a SW update to
sequentially update the DATA registers followed by an
update of the STATUS register.
Note: For the exceptional SW use case, sequential
updates to the DATA and STATUS registers may be
'interrupted' by a HW fault capture. In this case, the
SW DATA register updates are overwritten by the HW
update (and the STATUS.IDX field will reflect the HW
capture)
TRAVEO™ T2G Automotive MCU: TVII-B-E-4M body controller entry registers
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