Datasheet

DocID17659 Rev 9 53/131
STM32L151x6/8/B, STM32L152x6/8/B Electrical characteristics
105
6.3.2 Embedded reset and power control block characteristics
The parameters given in the following table are derived from the tests performed under the
ambient temperature condition summarized in the following table.
Table 14. Embedded reset and power control block characteristics
Symbol Parameter Conditions Min Typ Max Unit
t
VDD
(1)
V
DD
rise time rate
BOR detector enabled 0 - ∞
µs/V
BOR detector disabled 0 - 1000
V
DD
fall time rate
BOR detector enabled 20 - ∞
BOR detector disabled 0 - 1000
T
RSTTEMPO
(1)
Reset temporization
V
DD
rising, BOR enabled - 2 3.3
ms
V
DD
rising, BOR disabled
(2)
0.4 0.7 1.6
V
POR/PDR
Power on/power down reset
threshold
Falling edge 1 1.5 1.65
V
Rising edge 1.3 1.5 1.65
V
BOR0
Brown-out reset threshold 0
Falling edge 1.67 1.7 1.74
V
Rising edge 1.69 1.76 1.8
V
BOR1
Brown-out reset threshold 1
Falling edge 1.87 1.93 1.97
Rising edge 1.96 2.03 2.07
V
BOR2
Brown-out reset threshold 2
Falling edge 2.22 2.30 2.35
Rising edge 2.31 2.41 2.44
V
BOR3
Brown-out reset threshold 3
Falling edge 2.45 2.55 2.60
Rising edge 2.54 2.66 2.7
V
BOR4
Brown-out reset threshold 4
Falling edge 2.68 2.8 2.85
Rising edge 2.78 2.9 2.95