mpc5604e Freescale Semiconductor, Inc, mpc5604e Datasheet - Page 27

• Manufacturer Part Number: mpc5604e
• Description: Mpc5604e Microcontroller Data Sheet
• Manufacturer: Freescale Semiconductor, Inc

The core supply can also be provided externally.
external core supply mode.
Freescale Semiconductor
•
V
the main supply via an on-chip linear regulator driving an internal PMOS ballast transistor. The PMOS ballast
transistors are located in the pad ring and their source connectors are directly bonded to a dedicated pin. See
DD_LV_COR
V
internal regulation mode, while in external regulation mode it is used as a signal to bypass
the regulator.
Vreg
DD_HV_S_BALLAST
Internal supply mode (via internal PMOS ballast
transistors)
External supply mode (e.g., via external switched
regulator)
LVD
(1.2V) — This is the core logic supply. In the internal regulation mode, the core supply is derived from
1.2V
Preliminary—Subject to Change Without Notice
MPC5604E Microcontroller Data Sheet, Rev. 2
pin is the supply pin, which carries the entire core logic current in the
Pads Pins
Figure 4. Internal Regulation Mode
Mode
Table 12. Core Supply Select
Table 12
Vss_HV_IO0_X
Vdd_LV_COR0_X
Vdd_HV_IO0_X
Vdd_HV_S_Ballast0/1
POR_B
Vdd_LV_REGCOR0
Vss_LV_COR0_X
shows how to connect V
NOTE
(3 supply pairs)
V
V
DD_HV_IO
DD_LV_COR
V
DD_HV_S_BALLAST
DD_HV_S_Ballast
(3.3V)
(1.2V)
Electrical characteristics
3.3V
pin for internal and
Figure
27
4.