LM3S300-IQN25-C2 Datasheet, PDF (464/498 Pages) Texas Instruments – Stellaris LM3S300 Microcontroller

Electrical Characteristics
NRND: Not recommended for new designs.
Figure 17-4. JTAG TRST Timing
TCK
TRST
J14
J15
17.2.4 Reset
Table 17-10. Reset Characteristics
Parameter
No.
R1
R2
R3
R4
R5
R6
R7
Parameter
V_TH
V_BTH
T_POR
T_BOR
T_IRPOR
T_IRBOR
T_IRHWR
R8
T_IRSWR
R9
R10
R11
a. 20 * t _{MOSC_per}
T_IRWDR
T_IRLDOR
T_VDDRISE
Parameter Name
Reset threshold
Brown-Out threshold
Power-On Reset timeout
Brown-Out timeout
Internal reset timeout after POR
Internal reset timeout after BOR^a
Internal reset timeout after hardware reset
(RST pin)
Internal reset timeout after
software-initiated system reset ^a
Internal reset timeout after watchdog reset^a
Internal reset timeout after LDO reset^a
Supply voltage (V_DD) rise time (0 V-3.3 V)
Min
-
2.85
-
-
15
2.5
2.9
2.5
2.5
2.5
-
Nom
2.0
2.9
10
500
-
-
-
-
-
-
-
Max
-
2.95
-
-
30
20
29
20
20
20
100
Unit
V
V
ms
µs
ms
µs
µs
µs
µs
µs
ms
Figure 17-5. External Reset Timing (RST)
RST
R7
/Reset
(Internal)
464
June 18, 2012
Texas Instruments-Production Data