LM3S5P36 Datasheet, PDF (998/1050 Pages) Texas Instruments – Stellaris® LM3S5P36 Microcontroller

Electrical Characteristics
c. The conversion time and rate scale from the specified number if the ADC internal clock frequency is any value other than
16 MHz.
d. Note that this parameter does not include ADC error.
Figure 24-13. ADC Input Equivalency Diagram
VDD
Stellaris® Microcontroller
ESD
Clamp
R_ADC
10-bit
converter
V_IN
ESD
Clamp
I_L
C_ADC
Sample and hold
ADC converter
Table 24-23. ADC Module External Reference Characteristics^a
Parameter Parameter Name
Min
Nom
Max
Unit
V_REFA
External voltage reference for ADC^b
2.97
-
3.03
V
I_L
External voltage reference leakage current
-
-
2.0
µA
a. Care must be taken to supply a reference voltage of acceptable quality.
b. Ground is always used as the reference level for the minimum conversion value.
Table 24-24. ADC Module Internal Reference Characteristics
Parameter
V_REFI
Parameter Name
Internal voltage reference for ADC
Min
Nom
-
3.0
Max
Unit
-
V
24.14 Synchronous Serial Interface (SSI)
Table 24-25. SSI Characteristics
Parameter
No.
S1
S2
S3
S4
S5
S6
S7
S8
Parameter Parameter Name
Min Nom Max
T_{CLK_PER}
SSIClk cycle time^a
40
-
-
T_{CLK_HIGH}
SSIClk high time
-
0.5
-
T_{CLK_LOW}
T_CLKRF
SSIClk low time
SSIClk rise/fall time^b
-
0.5
-
-
4
6
T_DMD
Data from master valid delay time
0
-
1
T_DMS
Data from master setup time
1
-
-
T_DMH
Data from master hold time
2
-
-
T_DSS
Data from slave setup time
1
-
-
Unit
ns
t clk_per
t clk_per
ns
system clocks
system clocks
system clocks
system clocks
998
January 21, 2012
Texas Instruments-Production Data