LM3S1651 Datasheet, PDF (975/1033 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Stellaris^® LM3S1651 Microcontroller
Figure 23-6. Power-On Reset and Voltage Parameters
V_DD
P8
3.0
2.0
P7
23.6
Reset
Table 23-5. Reset Characteristics
Parameter No. Parameter Parameter Name
Min Nom Max
Unit
R1
T_IRHWR
Internal reset timeout after hardware reset (RST -
-
2
ms
pin)
R2
T_IRSWR
Internal reset timeout after software-initiated
-
-
2
ms
system reset
R3
T_IRWDR
Internal reset timeout after watchdog reset
-
-
2
ms
R4
T_IRMFR
Internal reset timeout after MOSC failure reset -
-
2
ms
R5
T_MIN
Minimum RST pulse width^a
2
-
-
µs
a. This specification must be met in order to guarantee proper reset operation.
Figure 23-7. External Reset Timing (RST)
RST
/Reset
(Internal)
RR153
R1
Figure 23-8. Software Reset Timing
SW Reset
R2
/Reset
(Internal)
January 21, 2012
975
Texas Instruments-Production Data