DEMO9S08EL32 Freescale Semiconductor, DEMO9S08EL32 Datasheet - Page 142

• Manufacturer Part Number: DEMO9S08EL32
• Description: BOARD DEMO FOR 9S08 EL MCU
• Manufacturer: Freescale Semiconductor
• Type: MCUr

Specifications of DEMO9S08EL32

• Contents: Evaluation Board
• Processor To Be Evaluated: MC9S08EL32
• Data Bus Width: 8 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 12 V
• Silicon Manufacturer: Freescale
• Core Architecture: HCS08
• Core Sub-architecture: HCS08
• Silicon Core Number: MC9S08
• Silicon Family Name: S08EL
• Rohs Compliant: Yes
• For Use With/related Products: MC9S08EL32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Analog-to-Digital Converter (S08ADC10V1)
10.2
The ADC module supports up to 28 separate analog inputs. It also requires four supply/reference/ground
connections.
142
MCU STOP
V
V
AD27
External Signal Description
3
AD0
ADHWT
REFH
REFL
Compare true
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
1
ADVIN
ADCSC1
2
AD27–AD0
V
V
V
Name
V
Control Sequencer
Compare Value Registers
DDAD
REFH
SSAD
REFL
Figure 10-2. ADC Block Diagram
Table 10-2. 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