Datasheet

Appendix A Electrical Characteristics
MC9S12E128 Data Sheet, Rev. 1.07
572 Freescale Semiconductor
A.2 Voltage Regulator
This section describes the characteristics of the on chip voltage regulator.
Table A-9. Voltage Regulator Electrical Parameters
Num C Characteristic Symbol Min Typical Max Unit
1 P Input Voltages V
VDDR,A
2.97 — 5.5 V
3 P Output Voltage Core
Full Performance Mode V
DD
2.35 2.5 2.75 V
4 P Output Voltage PLL
Full Performance Mode V
DDPLL
2.35 2.5 2.75 V
5 P Low Voltage Interrupt
1
Assert Level
Deassert Level
1
Monitors V
DDA
, active only in Full Performance Mode. Indicates I/O & ADC performance degradation due to low supply voltage.
V
LVIA
V
LVID
4.1
4.25
4.37
4.52
4.66
4.77
V
V
6 P Low Voltage Reset
2
Assert Level
Deassert Level
2
Monitors V
DD
, active only in Full Performance Mode. V
LVRA
and V
PORD
must overlap
V
LVRA
V
LVRD
2.25
—
—
—
—
2.55
V
V
7 C Power-on Reset
3
Assert Level
Deassert Level
3
Monitors V
DD
. Active in all modes.
The electrical characteristics given in this section are preliminary and
should be used as a guide only. Values in this section cannot be guaranteed
by Freescale and are subject to change without notice.
V
PORA
V
PORD
0.97
—
---
---
—
2.05
V
V