LM3S9B81 Datasheet, PDF (1088/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Electrical Characteristics
Figure 25-3. JTAG Test Access Port (TAP) Timing
TCK
TMS
TDI
TDO
J7
J8
J7
J8
TMS Input Valid
TMS Input Valid
J9
J10
J9
J10
TDI Input Valid
TDI Input Valid
J11
J12
J13
TDO Output Valid
TDO Output Valid
25.2.4 Reset
Table 25-17. Reset Characteristics
Parameter
No.
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
Parameter Parameter Name
Min Nom Max
V_TH
V_BTH
T_POR
T_BOR
T_IRPOR
T_IRBOR
T_IRHWR
Reset threshold
Brown-Out threshold
Power-On Reset timeout
Brown-Out timeout
Internal reset timeout after POR
Internal reset timeout after BOR
Internal reset timeout after hardware
reset (RST pin)
-
2.0
2.85 2.9
6
-
-
500
-
-
-
-
-
-
T_IRSWR
Internal reset timeout after
software-initiated system reset
-
-
T_IRWDR
Internal reset timeout after watchdog
-
-
reset
T_IRMFR
Internal reset timeout after MOSC failure -
-
reset
T_VDDRISE Supply voltage (V_DD) rise time (0V-3.3V) -
-
T_MIN
Minimum RST pulse width
2
-
-
2.95
18
-
95
7
7
16
16
32
10
-
Figure 25-4. External Reset Timing (RST)
RST
/Reset
(Internal)
R12
R7
Unit
V
V
ms
µs
system clocks
system clocks
system clocks
system clocks
system clocks
system clocks
ms
µs
1088
Texas Instruments-Advance Information
June 29, 2010