mc9s08ac32 Freescale Semiconductor, Inc, mc9s08ac32 Datasheet - Page 140

• Manufacturer Part Number: mc9s08ac32
• Description: Hcs08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 9 Analog-to-Digital Converter (S08ADC10V1)
9.3
The ADC module supports up to 28 separate analog inputs. It also requires four supply/reference/ground
connections.
140
MCU STOP
V
V
AD27
External Signal Description
3
AD0
ADHWT
REFH
REFL
Compare true
1
ADVIN
ADCSC1
2
AD27–AD0
V
V
V
Name
V
MC9S08AC60 Series Data Sheet, Rev. 2
Control Sequencer
Compare Value Registers
DDAD
REFH
SSAD
REFL
Figure 9-2. ADC Block Diagram
Table 9-2. Signal Properties
Data Registers
SAR Converter
Compare
ADCK
Logic
ADCCFG
Analog Channel inputs
High reference voltage
Low reference voltage
Analog power supply
Analog ground
Divide
Clock
Compare true
Function
ADCSC2
COCO
AIEN
1
2
ADACK
3
Clock Gen
÷2
Async
Bus Clock
ALTCLK
Freescale Semiconductor
Interrupt