LM3S5P3B Datasheet, PDF (1100/1170 Pages) Texas Instruments – Stellaris® LM3S5P3B Microcontroller

Electrical Characteristics
25.3
Table 25-2. Recommended DC Operating Conditions (continued)
Parameter Parameter Name
Min
Nom
Max
Unit
V_OH
High-level output voltage
2.4
V_OL
Low-level output voltage
-
High-level source current, V_OH=2.4 V^a
2-mA Drive
-2.0
I_OH
4-mA Drive
-4.0
-
-
V
-
0.4
V
-
-
mA
-
-
mA
8-mA Drive
-8.0
-
-
mA
Low-level sink current, V_OL=0.4 V^a
2-mA Drive
2.0
-
-
mA
I_OL
4-mA Drive
4.0
-
-
mA
8-mA Drive
8.0
-
-
mA
8-mA Drive, V_OL=1.2 V
18.0
-
-
mA
a. I_O specifications reflect the maximum current where the corresponding output voltage meets the V_OH /V_OL thresholds. I_O
current can exceed these limits (subject to absolute maximum ratings).
Load Conditions
Unless otherwise specified, the following conditions are true for all timing measurements.
Figure 25-1. Load Conditions
pin
C_L = 50 pF
25.4
GND
JTAG and Boundary Scan
Table 25-3. JTAG Characteristics
Parameter
No.
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
Parameter
F_TCK
T_TCK
T_{TCK_LOW}
T_{TCK_HIGH}
T_{TCK_R}
T_{TCK_F}
T_{TMS_SU}
T_{TMS_HLD}
T_{TDI_SU}
T_{TDI_HLD}
Parameter Name
TCK operational clock frequency^a
TCK operational clock period
TCK clock Low time
TCK clock High time
TCK rise time
TCK fall time
TMS setup time to TCK rise
TMS hold time from TCK rise
TDI setup time to TCK rise
TDI hold time from TCK rise
Min Nom
0
-
100
-
-
t_TCK/2
-
t_TCK/2
0
-
0
-
20
-
20
-
25
-
25
-
Max
10
-
-
-
10
10
-
-
-
-
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
1100
Texas Instruments-Production Data
January 20, 2012