Datasheet
Appendix A Electrical Characteristics
MC9S12XE-Family Reference Manual Rev. 1.25
1234 Freescale Semiconductor
A.4 Voltage Regulator
Device functionality is guaranteed on power down to the LVR assert level.
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
V
VDDR,A
3.13
—
5.5
V
2P
Output Voltage Core
Full Performance Mode
Reduced Power Mode (MCU STOP mode)
Shutdown Mode
V
DD
1.72
—
—
1.84
1.6
—
(1)
1. Voltage Regulator Disabled. High Impedance Output
1.98
—
—
V
V
V
3P
Output Voltage Flash
Full Performance Mode
Reduced Power Mode (MCU STOP mode)
Shutdown Mode
V
DDF
2.6
—
—
2.82
2.2
—
1
2.9
—
—
V
V
V
4P
Output Voltage PLL
Full Performance Mode
Reduced Power Mode (MCU STOP mode)
Shutdown Mode
V
DDPLL
1.72
—
—
1.84
1.6
—
1
1.98
—
—
V
V
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.
V
LVIA
V
LVID
4.04
4.19
4.23
4.38
4.40
4.49
V
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)
V
LVRXD
— — 3.13 V
6b D
VDDX Low Voltage Reset assert
3
V
LVRXA
— 3.02 — V
6c P
VDDX Low Voltage Reset assert
3
V
LVRXA
2.97 — — V
7C
Trimmed API internal clock
(4)
∆f / f
nominal
4. The API Trimming bits must be set that the minimum period equals to 0.2 ms.
df
API
- 5%
—
+ 5%
—
8D
The first period after enabling the counter by APIFE
might be reduced by API start up delay
t
sdel
— — 100 us
9 T Temperature Sensor Slope
dV
TS
5.05 5.25 5.45
mV/
o
C
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.
T
HTIA
T
HTID
120
110
132
122
144
134
o
C
11 T Bandgap Reference Voltage
V
BG
1.13 1.21 1.32
V