mc9s08ac16 Freescale Semiconductor, Inc, mc9s08ac16 Datasheet - Page 254

• Manufacturer Part Number: mc9s08ac16
• Description: Hcs08 Microcontrollers 8-bit Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 14 Analog-to-Digital Converter (S08ADC10V1)
14.3
The ADC module supports up to 28 separate analog inputs. It also requires four supply/reference/ground
connections.
254
MCU STOP
V
V
AD27
External Signal Description
3
AD0
ADHWT
REFH
REFL
Compare true
1
ADC1SC1
ADVIN
2
AD27–AD0
V
V
V
Name
V
MC9S08AC16 Series Data Sheet, Rev. 0
Control Sequencer
Compare Value Registers
DDAD
REFH
SSAD
REFL
Figure 14-2. ADC Block Diagram
Table 14-2. Signal Properties
Data Registers
SAR Converter
PRELIMINARY
Compare
ADC1CFG
ADCK
Logic
Analog Channel inputs
High reference voltage
Low reference voltage
Analog power supply
Analog ground
Divide
Clock
Compare true
Function
ADC1SC2
COCO
AIEN
1
2
ADACK
3
Clock Gen
÷2
Async
Bus Clock
ALTCLK
Freescale Semiconductor
Interrupt