unicore UM981 User Manual

UC-00-M33 EN R1.0 Hardware 11
2.2.2 Operating Conditions
Table 2-3 Operating Conditions
Parameter
Symbol
Min.
Typ.
Max.
Unit
Condition
Power Supply Voltage
7
VCC
3.0
3.3
3.6
V
Maximum VCC Ripple
V
rpp
0
50
mV
Working Current
8
I
opr
145
180
mA
VCC=3.3 V
VCC_RF Output Voltage
VCC_RF
VCC-0.1
V
VCC_RF Output Current
ICC_RF
50
mA
Operating Temperature
T
opr
-40
85
°C
Power Consumption
P
480
mW
2.2.3 IO Threshold
Table 2-4 IO Threshold
Parameter
Symbol
Min.
Typ.
Max.
Unit
Condition
Low Level Input Voltage
V
in_low
0
0.6
V
High Level Input Voltage
V
in_high
VCC ×
0.7
VCC +
0.2
V
Low Level Output Voltage
V
out_low
0
0.45
V
I
out
= 2 mA
High Level Output
Voltage
V
out_high
VCC -
0.45
VCC
V
I
out
= 2 mA
7
The voltage range of VCC (3.0 V ~ 3.6 V) has already included the ripple voltage.
8
Since the product has capacitors inside, inrush current occurs during power-on. You should evaluate
in the actual environment in order to check the effect of the supply voltage drop caused by inrush
current in the system.

unicore UM981 Specifications

General

Brand	unicore
Model	UM981
Category	Control Unit
Language	English