MC9RS08KA1 FREESCALE [Freescale Semiconductor, Inc], MC9RS08KA1 Datasheet - Page 76

• Manufacturer Part Number: MC9RS08KA1
• Description: RS08 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Chapter 9 Internal Clock Source (RS08ICSV1)
9.4
Table 9-1
9.4.1
76
IREFSTEN
CLKS
Field
ICSTRM
ICSSC
ICSC1
ICSC2
6
0
Reset:
Name
Register Definition
is a summary of ICS registers.
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.
0 Output of FLL is selected
1 Internal reference clock is selected
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
W
W
W
W
R
R
R
R
7
0
0
0
0
7
= Unimplemented
BDIV
CLKS
0
6
CLKS
Figure 9-3. ICS Control Register 1 (ICSC1)
0
6
MC9RS08KA2 Series Data Sheet, Rev. 3
Table 9-2. ICSC1 Field Descriptions
Table 9-1. ICS Register Summary
0
0
5
0
0
0
5
0
0
4
Description
0
0
0
4
TRIM
LP
0
0
3
3
0
0
CLKST
0
0
2
0
0
2
Freescale Semiconductor
0
0
1
1
0
0
0
IREFSTEN
IREFSTEN
FTRIM
0
0
0
0