MC9S08GT32ACFDE Freescale, MC9S08GT32ACFDE Datasheet - Page 236
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MC9S08GT32ACFDE
Manufacturer Part Number
MC9S08GT32ACFDE
Description
Manufacturer
Freescale
Datasheet
1.MC9S08GT32ACFDE.pdf
(302 pages)
Specifications of MC9S08GT32ACFDE
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
40MHz
Interface Type
I2C/SCI/SPI
Total Internal Ram Size
2KB
# I/os (max)
39
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
1.8/2.08V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
48
Package Type
QFN EP
Program Memory Type
Flash
Program Memory Size
32KB
Lead Free Status / RoHS Status
Compliant
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Analog-to-Digital Converter (S08ATDV3)
14.6.2
Writes to the ATD status and control register clears the CCF flag, cancels any pending interrupts, and
initiates a new conversion.
236
1
2
3
Reset
Maximum ATD conversion clock frequency is 2 MHz. The max bus clock frequency is computed from the max ATD conversion
clock frequency times the indicated prescaler setting; i.e., for a PRS of 0, max bus clock = 2 (max ATD conversion clock
frequency) × 2 (Factor) = 4 MHz.
Use these settings if the maximum desired ATD conversion clock frequency is 1 MHz. The max bus clock frequency is
computed from the max ATD conversion clock frequency times the indicated prescaler setting; i.e., for a PRS of 0, max bus
clock = 1 (max ATD conversion clock frequency) × 2 (Factor) = 2 MHz.
Minimum ATD conversion clock frequency is 500 kHz. The min bus clock frequency is computed from the min ATD conversion
clock frequency times the indicated prescaler setting; i.e., for a PRS of 1, min bus clock = 0.5 (min ATD conversion clock
frequency) × 2 (Factor) = 1 MHz.
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
W
PRS
R
ATD Status and Control (ATD1SC)
CCF
0
7
Factor = (PRS +1) × 2
= Unimplemented or Reserved
ATDIE
10
12
14
16
18
20
22
24
26
28
30
32
Figure 14-6. ATD Status and Control Register (ATD1SC)
2
4
6
8
0
6
ATDCO
Table 14-5. Clock Prescaler Values
MC9S08GB60A Data Sheet, Rev. 2
(2 MHz max ATD Clock)
0
5
Max Bus Clock
MHz
12
16
20
20
20
20
20
20
20
20
20
20
20
20
4
8
0
4
1
(1 MHz max ATD Clock)
3
0
Max Bus Clock
MHz
10
12
14
16
18
20
20
20
20
20
20
20
2
4
6
8
ATDCH
0
2
2
(500 kHz min ATD Clock)
Freescale Semiconductor
0
Min Bus Clock
1
MHz
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
1
0
3
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