mc9s12q128 Freescale Semiconductor, Inc, mc9s12q128 Datasheet - Page 456

• Manufacturer Part Number: mc9s12q128
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 16 Dual Output Voltage Regulator (VREG3V3V2) Block Description
16.1.3
Figure 16-1
core REG consists of two parallel sub-blocks, REG1 and REG2, providing two independent output
voltages.
456
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 16-1. VREG3V3 Block Diagram
CTRL
REG2
REG1
MC9S12Q128
Rev 1.09
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