参数资料
型号: SC9RS08KA1J3CDB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO6
封装: 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, DFN-6
文件页数: 111/134页
文件大小: 3114K
代理商: SC9RS08KA1J3CDB
Internal Clock Source (RS08ICSV1)
SC9RS08KA2 Series Data Sheet, Rev. 1
78
Freescale Semiconductor
9.3.2
ICS Control Register 2 (ICSC2)
7
6
5
432
1
0
R0
CLKS
00
0
00
IREFSTEN
W
Reset:
0
= Unimplemented
Figure 9-3. ICS Control Register 1 (ICSC1)
Table 9-2. ICSC1 Field Descriptions
Field
Description
6
CLKS
Clock Source Select — Selects the clock source that controls the bus frequency. The actual bus frequency
depends on the value of the BDIV bits.
0 Output of FLL is selected
1 Internal reference clock is selected
0
IREFSTEN
Internal Reference Stop Enable — Controls whether the internal reference clock remains enabled when the
ICS enters stop mode.
1 Internal reference clock remains enabled in stop
0 Internal reference clock is disabled in stop
7
6
5
432
1
0
R
BDIV
00
LP
00
0
W
Reset:
0
1
0
000
0
= Unimplemented
Figure 9-4. ICS Control Register 2 (ICSC2)
Table 9-3. ICSC2 Field Descriptions
Field
Description
7:6
BDIV
Bus Frequency Divider — Selects the amount to divide down the clock source selected by the CLKS bit. This
controls the bus frequency.
00 Encoding 0 — Divides selected clock by 1
01 Encoding 1 — Divides selected clock by 2 (reset default)
10 Encoding 2 — Divides selected clock by 4
11 Encoding 3 — Divides selected clock by 8
3
LP
Low Power Select — Controls whether the FLL is disabled in FLL bypassed modes.
1
FLL is disabled in bypass modes
0
FLL is not disabled in bypass mode
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