MC9S08GT16CFB Freescale Semiconductor, MC9S08GT16CFB Datasheet - Page 122
MC9S08GT16CFB
Manufacturer Part Number
MC9S08GT16CFB
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S08GT16CFB.pdf
(290 pages)
Specifications of MC9S08GT16CFB
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
20MHz
Interface Type
SCI/SPI
Program Memory Type
Flash
Program Memory Size
16KB
Total Internal Ram Size
1KB
# I/os (max)
36
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
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
44
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
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Internal Clock Generator (ICG) Module
ICGIF — ICG Interrupt Flag
7.5.4
DCOS — DCO Clock Stable
7.5.5
122
The ICGIF read/write flag is set when an ICG interrupt request is pending. It is cleared by a reset or
by reading the ICG status register when ICGIF is set and then writing a 1 to ICGIF. If another ICG
interrupt occurs before the clearing sequence is complete, the sequence is reset so ICGIF would remain
set after the clear sequence was completed for the earlier interrupt. Writing a 0 to ICGIF has no effect.
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.
1 = An ICG interrupt request is pending.
0 = No ICG interrupt request is pending.
1 = DCO clock is stable.
0 = DCO clock is unstable.
ICG Status Register 2 (ICGS2)
ICG Filter Registers (ICGFLTU, ICGFLTL)
Reset:
Reset:
Read:
Write:
Read:
Write:
unlock
Figure 7-17. ICG Upper Filter Register (ICGFLTU)
Bit 15
Bit 7
0
0
0
0
Figure 7-16. ICG Status Register 2 (ICGS2)
for two consecutive samples and the DCO clock is not static. This bit is
= Unimplemented or Reserved
= Unimplemented or Reserved
MC9S08GB/GT Data Sheet, Rev. 2.3
14
6
0
0
0
0
13
5
0
0
0
0
12
4
0
0
0
0
11
3
0
0
0
10
2
0
0
0
FLT
Freescale Semiconductor
1
0
0
0
9
DCOS
Bit 0
Bit 8
0
0
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