MC9S12NE64V1 Datasheet, PDF (539/554 Pages) Freescale Semiconductor, Inc – MC9S12NE64V1 Data Sheet

Voltage Regulator Operating Characteristics
A.17 Voltage Regulator Operating Characteristics
This section describes the characteristics of the on-chip voltage regulator (VREG_PHY).
Table A-30. VREG_PHY - Operating Conditions
Num C
Characteristic
Symbol
Min Typical Max
1
P Input Voltages
2
P Regulator Current
Reduced Power Mode
Shutdown Mode
V_VDDR,A,X1,X2
3.135
—
I_REG
—
20
—
12
3
P Output Voltage Core
Full Performance Mode
Reduced Power Mode
Shutdown Mode
V_DD
2.375
2.5
1.6
2.5
—
1
4
P Output Voltage PLL
Full Performance Mode
Reduced Power Mode ²
Shutdown Mode
V_DDPLL
2.375
2.5
1.6
2.5
—
3
5
P _{Low Voltage Reset} ⁴
Assert Level
Deassert Level
V_LVRA
V_LVRD
2.25
—
—
—
7
C _{Power-on Reset} ⁵
Assert Level
Deassert Level
V_PORA
V_PORD
0.97
---
—
---
1 _{High Impedance Output}
2 _{Current IDDPLL = 3 mA (Pierce Oscillator)}
3 _{High Impedance Output}
4 _{Monitors VDD, active only in Full Performance Mode. VLVRA and VPORD must overlap}
5 _{Monitors VDD. Active in all modes.}
3.465
50
40
2.625
2.75
—
2.625
2.75
—
—
2.55
—
2.05
Unit
V
µA
µA
V
V
V
V
V
V
V
V
V
V
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 Semiconductor and are subject to change
without notice.
A.17.1 MCU Power-Up and LVR Graphical Explanation
Voltage regulator sub modules POR (power-on reset) and LVR (low-voltage reset) handle chip power-up
or drops of the supply voltage. Their function is described in Figure A-15.
MC9S12NE64 Data Sheet, Rev. 1.1
Freescale Semiconductor
539