
Appendix A Electrical Characteristics
MC9S12XE-Family Reference Manual Rev. 1.21
Freescale Semiconductor
1231
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A.4
Voltage Regulator
Device functionality is guaranteed on power down to the LVR assert level.
A.5
Output Loads
Table A-21. Voltage Regulator Electrical Characteristics
Conditions are shown in
Table A-4 unless otherwise noted
Num
C
Characteristic
Symbol
Min
Typical
Max
Unit
1
P
Input Voltages
VVDDR,A
3.13
—
5.5
V
2P
Output Voltage Core
Full Performance Mode
Reduced Power Mode (MCU STOP mode)
Shutdown Mode
VDD
1.72
—
1.84
1.6
—1
1 Voltage Regulator Disabled. High Impedance Output
1.98
—
V
3P
Output Voltage Flash
Full Performance Mode
Reduced Power Mode (MCU STOP mode)
Shutdown Mode
VDDF
2.6
—
2.82
2.2
2.9
—
V
4P
Output Voltage PLL
Full Performance Mode
Reduced Power Mode (MCU STOP mode)
Shutdown Mode
VDDPLL
1.72
—
1.84
1.6
1.98
—
V
5P
Low Voltage Interrupt Asser Level 2
Low Voltage InterruptDeassert Level
2 Monitors VDDA, active only in Full Performance Mode. Indicates I/O & ADC performance degradation due to low supply
voltage.
VLVIA
VLVID
4.04
4.19
4.23
4.38
4.40
4.49
V
6a
P
VDDX Low Voltage Reset Deassert 3
3 Monitors VDDX, active only in Full Performance Mode. MCU is monitored by the POR in RPM (see Figure A-3) VLVRXD
—
3.13
V
6b
D
VDDX Low Voltage Reset assert
3VLVRXA
—
3.02
—
V
6c
P
VDDX Low Voltage Reset assert
3VLVRXA
2.97
—
V
7C
Trimmed API internal clock4
f / fnominal
4 The API Trimming bits must be set that the minimum period equals to 0.2 ms.
dfAPI
- 5%
—
+ 5%
—
8D
The first period after enabling the counter by APIFE
might be reduced by API start up delay
tsdel
—
100
us
9
T
Temperature Sensor Slope
dVTS
5.05
5.25
5.45
mV/oC
10
T
High Temperature Interrupt Assert (VREGHTTR=$88)5
High Temperature Interrupt Deassert
(VREGHTTR=$88)
5 A hysteresis is guaranteed by design
NOTE
The LVR monitors the voltages VDDF and VDDX. If the voltage drops on
these supplies to a level which could prohibit the correct function of the
microcontroller, the LVR triggers.
THTIA
THTID
120
110
132
122
144
134
oC