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Appendix B Electrical Specifications
B.1 Voltage Regulator Operating Conditions
Nu
C
Characteristic
m
1
P
Input Voltages
Regulator Current
2
C
Reduced Power Mode
Shutdown Mode
Output Voltage Core
3
P
Full Performance Mode
Low Voltage Interrupt
Assert Level C32, GC32
Assert Level C64, C96,C128
4
P
Deassert Level C32, GC32
Deassert Level C64, C96, C128
Low Voltage Reset
Assert Level C32, GC32
5
P
Assert Level C64, C96, C128
Low Voltage Reset
6
P
Deassert Level
Power-on Reset
7
C
Assert Level
Deassert Level
NOTES:
1. Monitors V
, active only in Full Performance Mode. Indicates I/O & ADC performance degradation due to low supply
DDA
voltage.
2. Monitors V
, active only in Full Performance Mode. MCU is monitored by the POR in RPM (see Figure B-1)
DD
3. Monitors V
. Active in all modes.
DD
NOTE:
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 Motorola and
are subject to change without notice.
Table B-1 Voltage Regulator Electrical Parameters
Symbol
V
1
GC64, GC128
GC64, GC128
2
GC64, GC128
(2)
V
3
V
V
Device User Guide — 9S12C128DGV1/D V01.05
Min
2.97
VDDR, A
I
—
REG
—
V
2.35
DD
V
LVIA
4.30
V
4.10
LVIA
V
4.42
LVID
4.25
V
LVID
2.25
V
LVRA
2.25
—
LVRD
0.97
PORA
—
PORD
Typical
Max
—
5.5
20
50
12
40
2.5
2.75
4.53
4.77
4.37
4.66
4.65
4.89
4.52
4.77
2.3
—
2.35
—
2.55
—
—
—
2.05
Unit
V
A
A
V
V
V
V
V
V
V
V
V
95
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