Technical Description
miriac MPX-LX2160A User Manual
V1.4
29/73
© MicroSys Electronics GmbH 2020
4.6.1
Power Monitoring
The management controller and power sequencer are monitoring certain on-board
voltages and reset the module in case any voltage is out of range:
Name
Voltage
max.
Current
Monitoring
Range
Comment
VIN
12V
4.56
–
13.46V
SOM Input Voltage
VCC3V3
3.3V
6A
3.01
–
3.53V
VCC3V3SBY
3.3V
2A
2.09
–
3.82V
Permanent Power
VCC2V5
2.5V
1A
2.20
–
2.72V
VCC1V8
1.8V
4A
1.50
–
2.00V
VCC1V2
3.3V
(or 1.2, 2.5)
1A
1.10
–
3.53V
CPLD IO Voltage
default VCC3V3SBY
VDD
0.775
–
0.85V
53A
0.66
–
0.92V
Core Voltage
VDDQ
1.2V
28A
0.93
–
1.34V
DDR4 Voltage
VTT1
0.6V
3.5A
0.46
–
0.72V
DDR Controller 1 VTT
VTT2
0.6V
3.5A
0.46
–
0.72V
DDR Controller 2 VTT
USBSVDD
0.8V
1.5A
0.73
–
0.95V
SDSVDD
0.9V
4A
0.78
–
1.04V
SDOVDD
1.8V
5A
1.63
–
1.97V
DRAMVREF1
0.6V
40mA
0.49
–
0.75V
VTTREF 1
DRAMVREF2
0.6V
40mA
0.49
–
0.75V
VTTREF 2
EVDD
1.8V
1.5A
1.63
–
1.97V
SDOVDD
Table 4-4 Voltage monitoring limits