LM3S1G21 Datasheet, PDF (897/955 Pages) Texas Instruments – Stellaris® LM3S1G21 Microcontroller

Stellaris^® LM3S1G21 Microcontroller
21.5 Power and Brown-Out
Table 21-4. Power Characteristics
Parameter No.
P1
P2
P3
P4
P5
P6
P7
P8
Parameter
V_TH
V_BTH
T_POR
T_BOR
T_IRPOR
T_IRBOR
T_VDDRISE
T_{VDD2_3}
Parameter Name
Min
Power-On Reset threshold
-
Brown-Out Reset threshold
2.85
Power-On Reset timeout
6
Brown-Out timeout
-
Internal reset timeout after POR
-
Internal reset timeout after BOR
-
Supply voltage (V_DD) rise time (0V-3.0V)
-
Supply voltage (V_DD) rise time (2.0V-3.0V) -
Nom
2
2.9
-
500
-
-
-
-
Max
-
2.95
18
-
2
2
10
6
Unit
V
V
ms
µs
ms
ms
ms
ms
Figure 21-4. Power-On Reset Timing
P1
VDD
/POR
(Internal)
/Reset
(Internal)
P3
P5
Figure 21-5. Brown-Out Reset Timing
P2
VDD
/BOR
(Internal)
/Reset
(Internal)
P4
P6
January 22, 2012
897
Texas Instruments-Production Data