MC68HC05P9A Datasheet, PDF (118/158 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

ADC
Introduction
Freescale Semiconductor, Inc.
The ADC consists of a single successive-approximation A/D converter,
an input multiplexer to select one of four external or two internal
channels, and control circuitry. Figure 67 shows the structure of the
ADC module.
AN3
COMPARATOR
AN2
INPUT
AN1
MULTIPLEXER
AN1
CH2
CH1
CH0
V_RH
V_SS
DIGITAL-
TO-ANALOG
CONVERTER
CCF
ADON
INTERNAL CLOCK
(XTAL ÷ 2)
CONTROL
LOGIC
ADRC
INTERNAL
RC
OSCILLATOR
Figure 67. ADC Block Diagram
6-mc68hc05p9a
118
ADC
MOTOROLA
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