Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X Datenbogen
Produktcode
DK-TM4C129X
Figure 32-28. ADC External Reference Filtering
V
REFA+
V
REFA
Tiva™ Microcontroller
C
REF
V
REFA+
V
REFA
V
REF
I
VREF
ADC
V
REFP
V
REFN
Figure 32-29. ADC Input Equivalency Diagram
Rs
Cs
C
ADC
Pin
V
S
I
L
Zs
5V ESD
Clamp
R
ADC
Input PAD
Equivalent
Circuit
Equivalent
Circuit
Z
ADC
Input PAD
Equivalent
Circuit
Equivalent
Circuit
R
ADC
Input PAD
Equivalent
Circuit
Equivalent
Circuit
R
ADC
12‐bit
SAR ADC
Converter
Pin
Pin
Tiva™ Microcontroller
12‐bit
Word
V
ADCIN
ESD clamps
to GND only
32.17
Synchronous Serial Interface (SSI)
Table 32-46. SSI Characteristics
Unit
Max
Nom
Min
Parameter Name
Parameter
Parameter
No.
No.
ns
-
-
16.67
SSIClk
cycle time, as master
a
T
CLK_PER
S1
ns
-
-
100
SSIClk
cycle time, as slave
b
December 13, 2013
2142
Texas Instruments-Advance Information
Electrical Characteristics