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| MC9S12XS128MAL Datasheet, PDF (491/738 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers | |||
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VDDR
VDDA
VSSA
VDDX
Voltage Regulator (S12VREGL3V3V1)
Figure 17-1. VREG_3V3 Block Diagram
VBG
REG3
REG2
REG1
LVD
LVR
LVR POR
VDDPLL
VSSPLL
VDDF
VDD
VSS
POR
VREGEN
Bus Clock
CTRL
API
Rate
Select
C
HTD
HTI
LVI
API
API
LVD: Low Voltage Detect
LVR: Low Voltage Reset
POR: Power-on Reset
HTD: High Temperature Detect
REG: Regulator Core
CTRL: Regulator Control
API: Auto. Periodical Interrupt
PIN
S12XS Family Reference Manual, Rev. 1.13
Freescale Semiconductor
491
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