MC9S12E32CFU FREESCALE [Freescale Semiconductor, Inc], MC9S12E32CFU Datasheet - Page 440

• Manufacturer Part Number: MC9S12E32CFU
• Description: HCS12 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Chapter 14 Dual Output Voltage Regulator (VREG3V3V2)
14.1.3
Figure 14-1
core REG consists of two parallel sub-blocks, REG1 and REG2, providing two independent output
voltages.
440
V
V
V
DDR
DDA
SSA
Block Diagram
shows the function principle of VREG3V3V2 by means of a block diagram. The regulator
V
REGEN
LVD
Figure 14-1. VREG3V3 Block Diagram
CTRL
MC9S12E128 Data Sheet, Rev. 1.07
REG2
REG1
LVR
REG: Regulator Core
LVD: Low Voltage Detect
CTRL: Regulator Control
LVR: Low Voltage Reset
POR: Power-on Reset
PIN
LVI
LVR
POR
Freescale Semiconductor
POR
V
V
V
V
DDPLL
SSPLL
DD
SS