mc9s08qg4 Freescale Semiconductor, Inc, mc9s08qg4 Datasheet - Page 149
mc9s08qg4
Manufacturer Part Number
mc9s08qg4
Description
Hcs08 Microcontrollers Microcontroller Family
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S08QG4.pdf
(314 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
mc9s08qg4CDNE
Manufacturer:
VISHAY
Quantity:
6 000
Part Number:
mc9s08qg4CDTE
Manufacturer:
FREESCALE
Quantity:
20 000
Part Number:
mc9s08qg4CDTER
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
Company:
Part Number:
mc9s08qg4CPAE
Manufacturer:
MITSUBISHI
Quantity:
100
Company:
Part Number:
mc9s08qg4CPBE
Manufacturer:
AVX
Quantity:
60 000
- Current page: 149 of 314
- Download datasheet (4Mb)
10.3.3
10.3.4
Freescale Semiconductor
CLKST
Field
TRIM
Field
7:0
7:4
3:2
1
0
Reset:
Reset:
POR:
POR:
W
W
R
R
ICS Trim Register (ICSTRM)
ICS Status and Control (ICSSC)
ICS Trim Setting — The TRIM bits control the internal reference clock frequency by controlling the internal
reference clock period. The bits’ effect are binary weighted (i.e., bit 1 will adjust twice as much as bit 0).
Increasing the binary value in TRIM will increase the period, and decreasing the value will decrease the period.
An additional fine trim bit is available in ICSSC as the FTRIM bit.
Reserved, should be cleared.
Clock Mode Status — The CLKST bits indicate the current clock mode. The CLKST bits don’t update
immediately after a write to the CLKS bits due to internal synchronization between clock domains.
00
01
10
11
OSC Initialization — If the external reference clock is selected by ERCLKEN or by the ICS being in FEE, FBE,
or FBELP mode, and if EREFS is set, then this bit is set after the initialization cycles of the external oscillator
clock have completed. This bit is cleared only when either ERCLKEN or EREFS are cleared.
ICS Fine Trim — The FTRIM bit controls the smallest adjustment of the internal reference clock frequency.
Setting FTRIM will increase the period and clearing FTRIM will decrease the period by the smallest amount
possible.
Output of FLL is selected.
FLL Bypassed, Internal reference clock is selected.
FLL Bypassed, External reference clock is selected.
Reserved.
U
7
1
7
0
0
0
Table 10-4. ICS Status and Control Register Field Descriptions
Figure 10-6. ICS Status and Control Register (ICSSC)
Table 10-3. ICS Trim Register Field Descriptions
U
0
0
0
0
6
6
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 4
Figure 10-5. ICS Trim Register (ICSTRM)
U
0
0
0
0
5
5
U
0
0
0
0
4
4
Description
Description
TRIM
U
0
0
0
3
3
CLKST
Chapter 10 Internal Clock Source (S08ICSV1)
U
0
0
0
2
2
OSCINIT
U
0
0
0
1
1
FTRIM
U
U
0
0
0
0
149
Related parts for mc9s08qg4
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: