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MPC5643L датащи(PDF) 107 Page - Freescale Semiconductor, Inc

номер детали MPC5643L
подробное описание детали  Qorivva Microcontroller
PDF  136 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC5643L датащи(HTML) 107 Page - Freescale Semiconductor, Inc

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Electrical characteristics
MPC5643L Microcontroller Data Sheet, Rev. 8.1
Freescale Semiconductor
107
3.19.4
Reset sequence — start condition
The impact of the voltage thresholds on the starting point of the internal reset sequence are becoming important if the voltage
rails / signals ramp up with a very slow slew rate compared to the overall reset sequence duration.
3.19.4.1
Destructive reset
Figure 17 shows the voltage threshold that determines the start of the Destructive Reset Sequence, BIST enabled and the start
for the Destructive Reset Sequence, BIST disabled.
Figure 17. Reset sequence start for Destructive Resets
3.19.4.2
External reset via RESET
Figure 18 shows the voltage thresholds that determine the start of the reset sequences initiated by the assertion of RESET as
specified in Table 32.
Table 33. Voltage Thresholds
Variable name
Value
Vmin
Refer to Table 18
Vmax
Refer to Table 18
Supply Rail
VDD_HV_PMU
TReset, max starts here
TReset, min starts here
Supply Rail
Vmax
t
V
Vmin



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