PXD20RM Datasheet, PDF (1580/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

3.0 V to 5.5 V
3.0 V to 3.6 V
To 3.3 V supply
DRAM supply
(1.8 V, 2.5 V, or 3.3 V)
VSS
VDDE_B
Digital Bank
R
VDDR
VSS
VDD12
External
Ballast
NPN
VRC_CTRL
VREG
4-16 MHz
VSS
FXOSC
VPP Prog
VDDPLL
VSS (VSSPLL pin) ^FMPLL0/1
Digital Bank
VSS
DRAM Bank
VDD12
VSS
VDDM
VSSM
Analog Bank
Stepper
Motor
Bank
VDDM
VSSM
VDDM
VSSM
To 3.3 V supply
VSS
VSSE_A
To 3-5 V or
3.3 V supply
Figure 48-3. Power supply configuration
To 3-5 V or
3.3 V supply
48.7 Power domain organization
To satisfy stringent requirements for current consumption in the different operational modes, this device
is partitioned into different power domains. Organization into these power domains primarily means
having separate power supplies that are separated from each other by the use of power switches. These
48-8
PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
Freescale Semiconductor