mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 570

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Appendix A Electrical Characteristics
A.2.1
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
570
V
PORD
LVI
LVR
V
POR
Chip Power-up and LVI/LVR Graphical Explanation
Figure A-1. Voltage Regulator — Chip Power-up and Voltage Drops (not scaled)
V
V
V
V
LVID
LVIA
LVRD
LVRA
MC9S12E256 Data Sheet, Rev. 1.08
V
DDA
LVI enabled
LVI disabled due to LVR
Freescale Semiconductor
Figure
V
DD
t
A-1.