MC9S08GT32ACFDE Freescale, MC9S08GT32ACFDE Datasheet - Page 127
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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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7.5.4
7.5.5
The filter registers show the filter value (FLT).
Freescale Semiconductor
Reset
Reset
DCOS
Field
Field
FLT
3:0
0
W
W
R
R
ICG Status Register 2 (ICGS2)
ICG Filter Registers (ICGFLTU, ICGFLTL)
DCO Clock Stable — The DCOS bit is set when the DCO clock (ICG2DCLK) is stable, meaning the count error
has not changed by more than n
used when exiting off state if CLKS = X1 to determine when to switch to the requested clock mode. It is also used
in self-clocked mode to determine when to start monitoring the DCO clock. This bit is cleared upon entering the
off state.
0 DCO clock is unstable.
1 DCO clock is stable.
Filter Value — The FLT bits indicate the current filter value, which controls the DCO frequency. The FLT bits are
read only except when the CLKS bits are programmed to self-clocked mode (CLKS = 00). In self-clocked mode,
any write to ICGFLTU updates the current 12-bit filter value. Writes to the ICGFLTU register will not affect FLT if
a previous latch sequence is not complete.
0
0
0
7
7
0
= Unimplemented or Reserved
= Unimplemented or Reserved
0
0
0
0
6
6
Figure 7-16. ICG Upper Filter Register (ICGFLTU)
Figure 7-15. ICG Status Register 2 (ICGS2)
Table 7-10. ICGFLTU Field Descriptions
Table 7-9. ICGS2 Field Descriptions
MC9S08GB60A Data Sheet, Rev. 2
0
0
0
0
5
5
unlock
for two consecutive samples and the DCO clock is not static. This bit is
0
0
0
0
4
4
Description
Description
3
0
0
3
0
0
0
0
2
2
Internal Clock Generator (S08ICGV2)
FLT
0
0
0
1
1
DCOS
0
0
0
0
127
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