ST7-STICK45 STMICROELECTRONICS [STMicroelectronics], ST7-STICK45 Datasheet - Page 84

• Manufacturer Part Number: ST7-STICK45
• Description: 8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST7LITE0xY0, ST7LITESxY0
13.3.2 Operating Conditions with Low Voltage Detector (LVD)
T
Notes:
1. Not tested in production.
2. Not tested in production. The V
When the V
13.3.3 Auxiliary Voltage Detector (AVD) Thresholds
T
84/124
1
V
V
V
Vt
t
I
V
V
V
∆V
A
A
g(VDD)
DD(LVD
Symbol
Symbol
IT+
IT-
hys
IT+
IT-
hys
POR
= -40 to 85°C, unless otherwise specified
= -40 to 85°C, unless otherwise specified
IT-
(LVD)
(AVD)
(LVD)
(AVD)
)
DD
Reset release threshold
(V
Reset generation threshold
(V
LVD voltage threshold hysteresis
V
Filtered glitch delay on V
LVD/AVD current consumption
1=>0 AVDF flag toggle threshold
(V
0=>1 AVDF flag toggle threshold
(V
AVD voltage threshold hysteresis
Voltage drop between AVD flag set
and LVD reset activation
DD
slope is outside these values, the LVD may not ensure a proper reset of the MCU.
DD
DD
DD
DD
rise time rate
rise)
fall)
rise)
fall)
Parameter
Parameter
2)
DD
rise time rate condition is needed to ensure a correct device power-on and LVD reset.
DD
High Threshold
Med. Threshold
Low Threshold
High Threshold
Med. Threshold
Low Threshold
V
Not detected by the LVD
High Threshold
Med. Threshold
Low Threshold
High Threshold
Med. Threshold
Low Threshold
V
V
IT+
IT+
DD
(LVD)
(AVD)
fall
Conditions
Conditions
-V
-V
IT-
IT-
(LVD)
(AVD)
4.00
3.40
2.65
3.80
3.20
2.40
4.40
3.90
3.20
4.30
3.70
2.90
Min
Min
20
1)
1)
1)
Typ
Typ
4.25
3.60
2.90
4.05
3.40
2.70
4.70
4.10
3.40
4.60
3.90
3.20
0.45
200
220
150
4.30
3.65
2.90
20000
Max
Max
4.50
3.80
3.15
5.00
4.30
3.60
4.90
4.10
3.40
150
1)
1)
1)
µs/V
Unit
Unit
mV
mV
µA
ns
V
V
V