MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 153

• Manufacturer Part Number: MC68HC908QY2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

MOTOROLA
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
INTERNAL
DATA BUS
AIEN
INTERRUPT
LOGIC
READ DDRA
WRITE DDRA
WRITE PTA
READ PTA
COCO
BUS CLOCK
CONVERSION
COMPLETE
voltage input (ADCVIN). ADCVIN is converted by the successive
approximation register-based counters. The ADC resolution is eight bits.
When the conversion is completed, ADC puts the result in the ADC data
register and sets a flag or generates an interrupt.
Figure 11-2
RESET
Figure 11-2. ADC Block Diagram
ADC DATA REGISTER
Analog-to-Digital Converter (ADC)
GENERATOR
ADIV[2:0]
shows a block diagram of the ADC.
CLOCK
ADC
ADC CLOCK
DDRAx
PTAx
ADC VOLTAGE IN
ADCVIN
DISABLE
Analog-to-Digital Converter (ADC)
DISABLE
(1 OF 4 CHANNELS)
CHANNEL
SELECT
ADC CHANNEL x
Functional Description
ADCx
CH[4:0]
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