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| MC9S12KT256 Datasheet, PDF (432/594 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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14.1.3 Block Diagram
Figure 14-1 shows the function principle of VREG3V3 by means of a block diagram. The regulator core
REG consists of two parallel sub-blocks, REG1 and REG2, providing two independent output voltages.
VDDR
VDDA
LVD
REG2
REG1
LVR
LVR
POR
VDDPLL
VSSPLL
VDD
POR
VSSA
VSS
VREGEN
CTRL
LVI
REG: Regulator Core
LVD: Low Voltage Detect
CTRL: Regulator Control
LVR: Low Voltage Reset
POR: Power-on Reset
PIN
Figure 14-1. VREG3V3 Block Diagram
MC9S12KT256 Data Sheet, Rev 1.15
432
Freescale Semiconductor
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