Device User Guide — 9S12E12F8rDeGeV1s/DcVa0l1e.04Semiconductor, Inc.
B.2 Chip Power-up and LVI/LVR graphical explanation
Voltage regulator sub modules LVI (low voltage interrupt), POR (power-on reset) and LVR (low voltage
reset) handle chip power-up or drops of the supply voltage. Their function is described in Figure B-1.
Figure B-1 Voltage Regulator - Chip Power-up and Voltage Drops (not scaled)
V
VDDA
VLVID
VLVIA
VDD
VPORD
VLVRD
VLVRA
LVI
POR
LVR
t
LVI enabled
LVI disabled due to LVR
B.3 Output Loads
B.3.1 Resistive Loads
The on-chip voltage regulator is intended to supply the internal logic and oscillator circuits allows no
external DC loads.
118
For More Information On This Product,
Go to: www.freescale.com