MC9S08QD2CSC Freescale, MC9S08QD2CSC Datasheet - Page 125
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MC9S08QD2CSC
Manufacturer Part Number
MC9S08QD2CSC
Description
Manufacturer
Freescale
Datasheet
1.MC9S08QD2CSC.pdf
(198 pages)
Specifications of MC9S08QD2CSC
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
128Byte
# I/os (max)
4
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
4-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC N
Program Memory Type
Flash
Program Memory Size
2KB
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC9S08QD2CSC
Manufacturer:
FREESCALE
Quantity:
20 000
Company:
Part Number:
MC9S08QD2CSCR
Manufacturer:
FREESCALE
Quantity:
310
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9.2
There are no ICS signals that connect off chip.
9.3
9.3.1
Freescale Semiconductor
IREFSTEN
IRCLKEN
IREFS
CLKS
Field
RDIV
7:6
5:3
2
1
0
Reset:
External Signal Description
Register Definition
W
R
ICS Control Register 1 (ICSC1)
Clock Source Select — Selects the clock source that controls the bus frequency. The actual bus frequency
depends on the value of the BDIV bits.
00
01
10
11
Reference Divider — Selects the amount to divide down the FLL reference clock selected by the IREFS bits.
Resulting frequency must be in the range 31.25 kHz to 39.0625 kHz.
000 Encoding 0 — Divides reference clock by 1 (reset default)
001 Encoding 1 — Divides reference clock by 2
010 Encoding 2 — Divides reference clock by 4
011 Encoding 3 — Divides reference clock by 8
100 Encoding 4 — Divides reference clock by 16
101 Encoding 5 — Divides reference clock by 32
110 Encoding 6 — Divides reference clock by 64
111 Encoding 7 — Divides reference clock by 128
Internal Reference Select — The IREFS bit selects the reference clock source for the FLL.
1 Internal reference clock selected
0 External reference clock selected
Internal Reference Clock Enable — The IRCLKEN bit enables the internal reference clock for use as
ICSIRCLK.
1 ICSIRCLK active
0 ICSIRCLK inactive
Internal Reference Stop Enable — The IREFSTEN bit controls whether or not the internal reference clock
remains enabled when the ICS enters stop mode.
1 Internal reference clock stays enabled in stop if IRCLKEN is set or if ICS is in FEI, FBI, or FBILP mode before
0 Internal reference clock is disabled in stop
entering stop
Output of FLL is selected.
Internal reference clock is selected.
External reference clock is selected.
Reserved, defaults to 00.
7
0
CLKS
Table 9-1. ICS Control Register 1 Field Descriptions
0
6
Figure 9-3. ICS Control Register 1 (ICSC1)
MC9S08QD4 Series MCU Data Sheet, Rev. 6
0
5
RDIV
0
4
Description
0
3
IREFS
1
2
Internal Clock Source (S08ICSV1)
IRCLKEN
0
1
IREFSTEN
0
0
125
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