LFDAS12XSCT Freescale Semiconductor, LFDAS12XSCT Datasheet - Page 490
LFDAS12XSCT
Manufacturer Part Number
LFDAS12XSCT
Description
HARDWARE MC9S12XS 48-PIN
Manufacturer
Freescale Semiconductor
Datasheet
1.LFDAS12XSCT.pdf
(738 pages)
Specifications of LFDAS12XSCT
Module/board Type
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
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Voltage Regulator (S12VREGL3V3V1)
17.1.3
Figure 17-1
REG consists of three parallel subblocks, REG1, REG2 and REG3, providing three independent output
voltages.
490
3. Shutdown mode
Controlled by VREGEN (see device level specification for connectivity of VREGEN).
This mode is characterized by minimum power consumption. The regulator outputs are in a high-
impedance state, only the POR feature is available, LVD, LVR and HTD are disabled. The API
internal RC oscillator clock is not available.
This mode must be used to disable the chip internal regulator VREG_3V3, i.e., to bypass the
VREG_3V3 to use external supplies.
Block Diagram
shows the function principle of VREG_3V3 by means of a block diagram. The regulator core
S12XS Family Reference Manual, Rev. 1.11
Freescale Semiconductor
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