MC9RS08KA8RM Datasheet, PDF (97/190 Pages) Freescale Semiconductor, Inc – MC9RS08KA8 Features

Compare true
3
ADCSC1
ADCCFG
Analog-to-Digital Converter (RS08ADC10V1)
MCU STOP
ADHWT
AD0
AD27
12
ADCK _Clock
Control Sequencer
Divide
Async
Clock Gen
ADACK
÷2
Bus Clock
ALTCLK
ADVIN
SAR Converter
AIEN 1
COCO 2
Interrupt
V_REFH
V_REFL
Data Registers
Compare true
3
Compare
Logic
Compare Value Registers
ADCSC2
Figure 10-2. ADC Block Diagram
10.2 External Signal Description
The ADC module supports up to 28 separate analog inputs. It also requires four supply/reference/ground
connections.
Table 10-2. Signal Properties
Name
AD27–AD0
V_REFH
V_REFL
V_DDAD
V_SSAD
Function
Analog Channel inputs
High reference voltage
Low reference voltage
Analog power supply
Analog ground
MC9RS08KA8 Series Reference Manual, Rev. 3
Freescale Semiconductor
97