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MPC5604E датащи(PDF) 29 Page - Freescale Semiconductor, Inc

номер детали MPC5604E
подробное описание детали  MPC5604E Microcontroller Data Sheet
PDF  75 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC5604E датащи(HTML) 29 Page - Freescale Semiconductor, Inc

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Electrical characteristics
MPC5604E Microcontroller Data Sheet, Rev. 4
Freescale Semiconductor
29
3.8.1.2
External voltage regulation mode
In the external regulation mode, the core supply is provided externally using a switched regulator. This saves on-chip power
consumption by avoiding the voltage drop over the ballast transistor. The external supply mode is selected via a board level
supply change at the VDD_HV_S_BALLAST pin.
Figure 5. External Regulation Mode
3.8.1.3
Recommended power supply sequencing1
For MPC5604E, the external supplies need to be maintained as per the following relations:
•VDD_HV_IO should be always greater or equal to VDD_HV_S_Ballast
•VDD_HV_IO should be always greater than VDD_LV_COR0_X
•VDD_HV_IO should be always greater than VDD_HV_ADC
3.8.2
Voltage regulator electrical characteristics
1.Investigations are in process to relax power supply sequencing recommendation.
Power
Supply, e.g.,
switched or
linear
3.3V
1.2V
(1.15V-1.32V)
Vdd_HV_IO0_X
1.2V
Vss_HV_IO0_X
POR_B
Pads Pins
Vdd_LV_COR0_X
(3 supply pairs)
Vss_LV_COR0_X
Vdd_LV_REGCOR0
Vdd_HV_S_Ballast0/1
Vreg
relaxed
LVD



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