LM3S6422 Datasheet, PDF (567/609 Pages) Texas Instruments – Stellaris® LM3S6422 Microcontroller

Stellaris^® LM3S6422 Microcontroller
Table 18-14. Reset Characteristics (continued)
Parameter
Parameter Parameter Name
Min
No.
R7
T_IRHWR
Internal reset timeout after hardware reset 0
(RST pin)
R8
T_IRSWR
Internal reset timeout after software-initiated 2.5
system reset ^a
R9
R10
R11
a. 20 * t _{MOSC_per}
T_IRWDR
T_VDDRISE
T_MIN
Internal reset timeout after watchdog reset^a 2.5
Supply voltage (V_DD) rise time (0V-3.3V)
-
Minimum RST pulse width
2
Nom
-
-
-
-
-
Max
1
20
20
100
-
Unit
ms
µs
µs
ms
µs
Figure 18-5. External Reset Timing (RST)
RST
/Reset
(Internal)
R11
R7
Figure 18-6. Power-On Reset Timing
R1
VDD
/POR
(Internal)
/Reset
(Internal)
R3
R5
Figure 18-7. Brown-Out Reset Timing
R2
VDD
/BOR
(Internal)
/Reset
(Internal)
R4
R6
June 18, 2012
567
Texas Instruments-Production Data