DEMO9S08EL32AUTO Freescale Semiconductor, DEMO9S08EL32AUTO Datasheet - Page 148
DEMO9S08EL32AUTO
Manufacturer Part Number
DEMO9S08EL32AUTO
Description
DEMO BOARD EL32 AUTO
Manufacturer
Freescale Semiconductor
Type
MCUr
Datasheets
1.DEMO9S08EL32.pdf
(356 pages)
2.DEMO9S08EL32.pdf
(14 pages)
3.DEMO9S08EL32.pdf
(2 pages)
Specifications of DEMO9S08EL32AUTO
Contents
Board, Cable, CD and Documentation
Processor To Be Evaluated
MC9S08EL32
Data Bus Width
8 bit
Interface Type
RS-232, USB
Operating Supply Voltage
12 V
For Use With/related Products
MC9S08EL32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Analog-to-Digital Converter (S08ADC10V1)
148
ADLSMP
ADICLK
ADLPC
MODE
Field
ADIV
6:5
3:2
1:0
7
4
Reset:
W
R
Low Power Configuration — ADLPC controls the speed and power configuration of the successive
approximation converter. This is used to optimize power consumption when higher sample rates are not required.
0 High speed configuration
1 Low power configuration: {FC31}The power is reduced at the expense of maximum clock speed.
Clock Divide Select — ADIV select the divide ratio used by the ADC to generate the internal clock ADCK.
Table 10-6
Long Sample Time Configuration — ADLSMP selects between long and short sample time. This adjusts the
sample period to allow higher impedance inputs to be accurately sampled or to maximize conversion speed for
lower impedance inputs. Longer sample times can also be used to lower overall power consumption when
continuous conversions are enabled if high conversion rates are not required.
0 Short sample time
1 Long sample time
Conversion Mode Selection — MODE bits are used to select between 10- or 8-bit operation. See
Input Clock Select — ADICLK bits select the input clock source to generate the internal clock ADCK. See
Table
ADLPC
10-8.
7
0
shows the available clock configurations.
MODE
ADIV
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
00
01
10
11
00
01
10
11
Table 10-5. ADCCFG Register Field Descriptions
0
Figure 10-10. Configuration Register (ADCCFG)
6
ADIV
8-bit conversion (N=8)
Reserved
10-bit conversion (N=10)
Reserved
Table 10-6. Clock Divide Select
Table 10-7. Conversion Modes
0
5
Divide Ratio
1
2
4
8
ADLSMP
0
4
Mode Description
Description
0
3
MODE
Input clock ÷ 2
Input clock ÷ 4
Input clock ÷ 8
Clock Rate
Input clock
0
2
Freescale Semiconductor
0
1
ADICLK
Table
0
0
10-7.
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