LM3S828 Datasheet, PDF (493/526 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Figure 17-11. ADC Input Equivalency Diagram
VDD
Stellaris^® LM3S828 Microcontroller
Stellaris® Microcontroller
R_ADC
10-bit
converter
V_IN
I_L
C_ADC
Sample and hold
ADC converter
17.2.8
Table 17-15. ADC Module Internal Reference Characteristics
Parameter
V_REFI
E_IR
Parameter Name
Internal voltage reference for ADC
Internal voltage reference error
Min
Nom
Max
Unit
-
3.0
-
V
-
-
±2.5
%
Synchronous Serial Interface (SSI)
Table 17-16. SSI Characteristics
Parameter
No.
Parameter Parameter Name
Min Nom Max
S1
t_{clk_per}
SSIClk cycle time
2
S2
t_{clk_high}
SSIClk high time
-
S3
t_{clk_low}
SSIClk low time
-
S4
t_clkrf
SSIClk rise/fall time^a
-
S5
t_DMd
Data from master valid delay time
0
S6
t_DMs
Data from master setup time
1
S7
t_DMh
Data from master hold time
2
S8
t_DSs
Data from slave setup time
1
S9
t_DSh
Data from slave hold time
2
a. Note that the delays shown are using 8-mA drive strength.
-
65024
0.5
-
0.5
-
6
10
-
1
-
-
-
-
-
-
-
-
Unit
system clocks
t clk_per
t clk_per
ns
system clocks
system clocks
system clocks
system clocks
system clocks
June 18, 2012
493
Texas Instruments-Production Data