LM3S2950 Datasheet, PDF (665/710 Pages) Texas Instruments – Stellaris® LM3S2950 Microcontroller

Stellaris^® LM3S2950 Microcontroller
Figure 21-2. JTAG Test Clock Input Timing
J2
J3
J4
TCK
J6
J5
Figure 21-3. 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
Figure 21-4. JTAG TRST Timing
TCK
TRST
J14
J15
21.2.4
Reset
Table 21-13. Reset Characteristics
Parameter
No.
R1
R2
R3
R4
R5
R6
Parameter Parameter Name
V_TH
V_BTH
T_POR
T_BOR
T_IRPOR
T_IRBOR
Reset threshold
Brown-Out threshold
Power-On Reset timeout
Brown-Out timeout
Internal reset timeout after POR
Internal reset timeout after BOR^a
Min Nom
Max
Unit
-
2.0
-
V
2.85
2.9
2.95
V
-
10
-
ms
-
500
-
µs
6
-
11
ms
0
-
1
µs
June 18, 2012
665
Texas Instruments-Production Data