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USER MANUAL
V1.30
STM 300 / STM 300C
Parameter
Digital Input Mode
Conditions / Notes
Min
Typ
Max
2/3
IOVDD
Input HIGH voltage
V
1/3
IOVDD
200
85
Input LOW voltage
Pull up resistor
2.4
90
38
132
54
VIND1
VIND2
Parameter
Supply voltage at VDD and VDDLIM
kΩ
kΩ
Min
-0.5
Max
5.5
-0.5
0
-0.5
-0.5
3.6
0
2
3.6
V
V
V
V
-0.5
2
V
GPIO supply voltage
Ground connection
Voltage at every analog input pin
Voltage at RESET, WAKE0/1, and every digital input
pin except WXIDIO/WXODIO
Voltage at WXIDIO / WXODIO input pin
Units
V
Maximum ratings (operating)
Symbol Parameter
VDD
Supply voltage at VDD and VDDLIM
VDDLIM
Min
VOFF
Max
4.5
1.7
IOVDD
GPIO supply voltage (see also 2.3.1)
GND
VINA
Ground connection
Voltage at every analog input pin
Voltage at RESET, WAKE0/1, and every digital input
pin except WXIDIO / WXODIO
Voltage at WXIDIO / WXODIO input pin
VIND1
VIND2
2.6
V
Absolute maximum ratings (non operating)
Symbol
VDD
VDDLIM
IOVDD
GND
VINA
2.5
@IOVDD=1.7 … 1.9 V
@IOVDD=3.0 … 3.6 V
Units
Units
V
V
0
0
0
MIN
(3.6;
VDD)
0
2.0
3.6
0
2.0
V
V
V
V
Power management and voltage regulators
Symbol Parameter
Conditions / Notes
Voltage Regulators
Ripple on VDD, where
VDDR
Min(VDD) > VON
UVDD
Ultra Low Power supply
RVDD
RF supply
DVDD
Digital supply
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Min
1.7
1.7
Typ
1.8
1.8
1.8
Max
Units
50
mVpp
1.9
1.9
V
V
V
STM 300 / STM 300C User Manual V1.30 | Page 13/40