MC9S12Q FREESCALE [Freescale Semiconductor, Inc], MC9S12Q Datasheet - Page 456
MC9S12Q
Manufacturer Part Number
MC9S12Q
Description
Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S12Q.pdf
(644 pages)
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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
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