mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 400

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

Analog-to-Digital Converter (ADC-15)
I/ O Signals
ADC Analog
Power Pin
(V
Voltage
Reference Pin
(V
ADC Analog
Ground Pin
(V
Voltage
Reference Low Pin
(V
ADC Voltage In
(ADCVIN)
MC68HC08AZ60 — Rev 1.0
400
DDAREF
REFH
SSA
REFL
)/ADC
)
)
)/ADC
NOTE:
The ADC module has 15 channels that are shared with I/O ports B and
D and one channel with an input-only port bit on port D. Refer to
Characteristics
The ADC analog portion uses V
V
filtering may be necessary to ensure clean V
V
Connect the V
V
Route V
capacitors as close as possible to the package. V
present for operation of the ADC.
The ADC analog portion uses V
pin to the same voltage potential as V
V
ADCVIN is the input voltage signal from one of the 15 ADC channels to
the ADC module.
DDA
REFH
DDAREF
REFL
Freescale Semiconductor, Inc.
For More Information On This Product,
/V
is the lower reference supply for the ADC.
is the high reference voltage for all analog-to-digital conversions.
DDAREF
DDAREF
Analog-to-Digital Converter (ADC-15)
/V
DDA
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REFH
pin to the same voltage potential as V
depending on the desired upper conversion boundary.
carefully for maximum noise immunity and place bypass
on page 413 for voltages referenced below.
pin to a voltage potential between 1.5 volts and
SSA
DDAREF
as its ground pin. Connect the V
SS
.
as its power pin. Connect the
DDAREF
DDAREF
for good results.
DD
. External
must be
MOTOROLA
ADC
6-adc-15
SSA