LM3S1969 Datasheet, PDF (633/677 Pages) Texas Instruments – Stellaris® LM3S1969 Microcontroller

OBSOLETE: TI has discontinued production of this device.
Stellaris^® LM3S1969 Microcontroller
Table 21-11. Crystal Characteristics
Parameter Name
Frequency
Frequency tolerance
Aging
Oscillation mode
Temperature stability (-40°C to 85°C)
Motional capacitance (typ)
Motional inductance (typ)
Equivalent series resistance (max)
Shunt capacitance (max)
Load capacitance (typ)
Drive level (typ)
8
±50
±5
Parallel
±25
27.8
14.3
120
10
16
100
Value
6
4
±50
±50
±5
±5
Parallel
Parallel
±25
±25
37.0
55.6
19.1
28.6
160
200
10
10
16
16
100
100
3.5
±50
±5
Parallel
±25
63.5
32.7
220
10
16
100
Units
MHz
ppm
ppm/yr
-
ppm
pF
mH
Ω
pF
pF
µW
21.2.2.1 System Clock Specifications with ADC Operation
Table 21-12. System Clock Characteristics with ADC Operation
Parameter Parameter Name
Min
f_sysadc
System clock frequency when the ADC module is
16
operating (when PLL is bypassed)
Nom
Max
-
-
Unit
MHz
21.2.3 JTAG and Boundary Scan
Table 21-13. JTAG Characteristics
Parameter
No.
Parameter Parameter Name
Min
Nom
J1
f_TCK
TCK operational clock frequency
J2
t_TCK
TCK operational clock period
J3
t_{TCK_LOW}
TCK clock Low time
J4
t_{TCK_HIGH}
TCK clock High time
J5
t_{TCK_R}
TCK rise time
J6
t_{TCK_F}
TCK fall time
J7
t_{TMS_SU}
TMS setup time to TCK rise
J8
t_{TMS_HLD}
TMS hold time from TCK rise
J9
t_{TDI_SU}
TDI setup time to TCK rise
J10
t_{TDI_HLD}
TDI hold time from TCK rise
2-mA drive
0
-
100
-
-
t_TCK/2
-
t_TCK/2
0
-
0
-
20
-
20
-
25
-
25
-
23
J11
TCK fall to Data
t _{TDO_ZDV} ^{Valid from High-Z}
4-mA drive
8-mA drive
15
-
14
8-mA drive with slew rate control
18
2-mA drive
21
J12
t _{TDO_DV}
TCK fall to Data
Valid from Data
Valid
4-mA drive
8-mA drive
14
-
13
8-mA drive with slew rate control
18
Max
10
-
-
-
10
10
-
-
-
-
35
26
25
29
35
25
24
28
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
July 24, 2012
633
Texas Instruments-Production Data