MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 319
MC68HC708AS48
Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC708AS48.pdf
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19.4.1 ADC Port I/O Pins
MC68HC708AS48
MOTOROLA
INTERNAL
DATA BUS
AIEN
NOTE:
INTERRUPT
LOGIC
—
READ DDRB/DDRB
WRITE DDRB/DDRD
WRITE PTB/PTD
READ PTB/PTD
Rev. 4.0
COCO
BUS CLOCK
CONVERSION
COMPLETE
CGMXCLK
PTD7/ATD15
general-purpose I/O pins that are shared with the ADC channels.
PTD2/ATD10 is an input-only pin that is also shared with an ADC
channel.
PTD7/ATD15 is available only on the 64-pin QFP package.
The channel select bits (ADC status control register, $0038), define
which ADC channel/port pin will be used as the input signal. The ADC
RESET
Figure 19-1. ADC Block Diagram
Analog-to-Digital Converter (ADC)
ADIV[2:0]
ADC DATA REGISTER
-
PTD0/ATD8 and PTB7/ATD7-PTB0/ATD0 are
GENERATOR
DDRBx/DDRDx
CLOCK
ADC
PTBx/PTDx
ADC CLOCK
ADICLK
ADC VOLTAGE IN
ADCVIN
DISABLE
Analog-to-Digital Converter (ADC)
DISABLE
CHANNEL
SELECT
ADC CHANNEL x
PTBx/PTDx
Functional Description
ADCH[4:0]
Advance Information
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