Datasheet

DS9178 Rev 4 49/96
STM8L051F3 Electrical parameters
87
8.3.2 Embedded reset and power control block characteristics
The reset and power block parameters are described in Table 16 and are derived from tests
performed under the ambient temperature conditions summarized in Table 15: General
operating conditions.
Table 16. Embedded reset and power control block characteristics
Symbol Parameter Conditions Min
Typ
Max Unit
t
VDD
V
DD
rise time rate
BOR detector
enabled
0
(1)
-
∞
(1)
µs/V
V
DD
fall time rate
BOR detector
enabled
20
(1)
-
∞
(1)
t
TEMP
Reset release delay
V
DD
rising
-3- ms
V
PDR
Power-down reset threshold Falling edge 1.30
(2)
1.50 1.65 V
V
BOR0
Brown-out reset threshold 0
(BOR_TH[2:0]=000)
Falling edge 1.67 1.70 1.74
V
Rising edge 1.69 1.75 1.80
V
BOR1
Brown-out reset threshold 1
(BOR_TH[2:0]=001)
Falling edge 1.87 1.93 1.97
Rising edge 1.96 2.04 2.07
V
BOR2
Brown-out reset threshold 2
(BOR_TH[2:0]=010)
Falling edge 2.22 2.3 2.35
Rising edge 2.31 2.41 2.44
V
BOR3
Brown-out reset threshold 3
(BOR_TH[2:0]=011)
Falling edge 2.45 2.55 2.60
Rising edge 2.54 2.66 2.7
V
BOR4
Brown-out reset threshold 4
(BOR_TH[2:0]=100)
Falling edge 2.68 2.80 2.85
Rising edge 2.78 2.90 2.95
V
PVD0
PVD threshold 0
Falling edge 1.80 1.84 1.88
V
Rising edge 1.88 1.94 1.99
V
PVD1
PVD threshold 1
Falling edge 1.98 2.04 2.09
Rising edge 2.08 2.14 2.18
V
PVD2
PVD threshold 2
Falling edge 2.2 2.24 2.28
Rising edge 2.28 2.34 2.38
V
PVD3
PVD threshold 3
Falling edge 2.39 2.44 2.48
Rising edge 2.47 2.54 2.58
V
PVD4
PVD threshold 4
Falling edge 2.57 2.64 2.69
Rising edge 2.68 2.74 2.79
V
PVD5
PVD threshold 5
Falling edge 2.77 2.83 2.88
Rising edge 2.87 2.94 2.99
V
PVD6
PVD threshold 6
Falling edge 2.97 3.05 3.09
Rising edge 3.08 3.15 3.20
1. Guaranteed by design.
2. Guaranteed by characterization results.
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