TC39x BC/BD-Step
Electrical SpecificationReset Timing
3.14
Reset Timing
Table 3-30 Reset
Parameter
Symbol
Values
Typ.
Unit
Note / Test Condition
Min.
Max.
Application Reset Boot Time
System Reset Boot Time
tB CC
-
-
400
µs
operating with max.
frequencies, with valid
BMI header
t
BS CC
-
-
-
1.1
3.1
ms
ms
RAM initialization and
HSM boot time are not
included, with valid BMI
header
Cold Power on Reset Boot Time tBP CC
-
dVEXT/dT=1V/ms.
VEXT>VLVDRST5.
Boot time after Cold
PORST including EVR
ramp-up and Firmware
execution time; RAM
initialization and HSM
boot time are not
1)
included.
-
-
-
1.6
ms
Firmware execution
time after PORST
release without EVR
ramp-up; RAM
initialization and HSM
boot time is not
included
Minimum cold PORST reset
hold time in case of power fail
event issued by EVR primary
monitors
t
EVRPOR CC 10 2)
-
µs
PMS Infrastructure, EVRC and tEVRstartup
EVR33 overall start-up time till CC
cold PORST reset release
-
-
-
1
-
ms
ms
dV/dT=1V/ms. EVRC
and EVR33 active
Minimum PORST active hold
time externally after power
supplies are stable at operating
levels after start-up
t
POA SR
1 3)
Configurable PORST digital
filter delay in addition to analog
pad filter delay
t
PORSTDF CC 600
-
1200
ns
Warm Reset Sequencing Delay tWARMRSTSEQ
-
-
-
180
-
µs
ns
CC
HWCFG pins hold time from
ESR0 rising edge
t
HDH CC
16 / fSPB
Data Sheet
462
V 1.2, 2021-03
OPEN MARKET VERSION