MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 323

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MC68HC708AS48

Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.5 volts and V
boundary.
NOTE:
Route V
bypass capacitors as close as possible to the package.
19.7.2 ADC Analog Ground Pin (V
The ADC analog portion uses V
pin to the same voltage potential as V
V
REFL
to a voltage potential between V
desired lower conversion boundary.
19.7.3 ADC Voltage In (ADCVIN)
ADCVIN is the input voltage signal from one of the ADC channels to the
ADC module.
19.8 I/O Registers
These I/O registers control and monitor ADC operation:
MC68HC708AS48
Rev. 4.0
MOTOROLA
/V
depending on the desired upper conversion
DDAREF
DDA
/V
carefully for maximum noise immunity and place
DDA
DDAREF
)/ADC Voltage Reference Low Pin (V
SSA
SSA
is the lower reference supply for the ADC. Connect the V
SSA
ADC status and control register (ADSCR)
ADC data register (ADR)
ADC clock register (ADICLK)
Analog-to-Digital Converter (ADC)
Analog-to-Digital Converter (ADC)
I/O Registers
)
REFL
as its ground pin. Connect the V
.
SS
and 0.5 volts depending on the
Advance Information
SSA
pin
REFL
323

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