MC68HC708MP16CFU

Manufacturer Part NumberMC68HC708MP16CFU
ManufacturerFreescale Semiconductor, Inc
MC68HC708MP16CFU datasheet
 
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Analog-to-Digital Converter (ADC)
19.7 I/O Signals
The ADC module has 10 I/O signals that are shared with port B and
port C.
19.7.1 ADC Analog Power Pin (V
The ADC analog portion uses V
V
DDAD
necessary to ensure clean V
NOTE:
Route V
capacitors as close as possible to the package.
19.7.2 ADC Analog Ground Pin (V
The ADC analog portion uses V
V
SSAD
19.7.3 ADC Voltage Reference Pin (V
V
DDAREF
Connect the
19.7.4 ADC Voltage Decoupling Capacitor Pin (V
V
ADCAP
with a value (V
decouple noise. V
reference value of (V
Technical Data
358
)
DDAD
DDAD
pin to the same voltage potential as V
for good results.
DDAD
carefully for maximum noise immunity and place bypass
DDAD
)
SSAD
SSAD
pin to the same voltage potential as V
)
DDAREF
is the power supply for setting the reference voltage V
pin to the same voltage potential as
V
DDAREF
)
ADCAP
is one of two reference supplies and is generated from V
/2. Place a bypass capacitor on this pin to
DDAREF )
pin can also be used to drive an upper
ADCAP
/2 with an external voltage reference.
DDAREF )
Analog-to-Digital Converter (ADC)
as its power pin. Connect the
. External filtering may be
DD
as its ground pin. Connect the
.
SS
.
REFH
.
V DDA
DDAREF
MC68HC708MP16
Rev. 3.1
Freescale Semiconductor