MC68HC908RK2 Datasheet, PDF (137/232 Pages) Motorola, Inc – Microcontroller Unit

Internal Clock Generator Module (ICG)
I/O Registers
Addr. Register Name
Bit 7
6
5
$0036
Internal Clock Generator ^Read:
Control Register
(ICGCR)
Write:
See page 139. _Reset:
CMIE
0
CMF
CMON
0
0
Internal Clock Generator ^Read:
$0037
Multiplier Register
(ICGMR)
Write:
R
See page 141. _{Reset: 0}
N6
N5
0
0
$0038
Read:
Internal Clock Generator
Trim Register (ICGTR) Write:
See page 142.
Reset:
TRIM7
1
TRIM6
0
TRIM5
0
Read:
ICG DCO Divider Control
R
R
R
$0039
Register (ICGDVR) Write:
See page 143.
Reset: 0
0
0
$003A
Read:
ICG DCO Stage Register
(ICGDSR) Write:
See page 144.
Reset:
DSTG7
DSTG6
DSTG5
= Unimplemented
4
3
2
1
Bit 0
ICGS
ECGS
CS ICGON
ECGON
0
1
0
0
0
N4
N3
N2
N1
N0
1
0
1
0
1
TRIM4 TRIM3 TRIM2 TRIM1 TRIM0
0
0
0
0
0
R
DDIV3 DDIV2 DDIV1 DDIV0
0
U
U
U
U
DSTG4 DSTG3 DSTG2 DSTG1 DSTG0
Unaffected by reset
R = Reserved
U = Unaffected
Figure 8-10. ICG I/O Register Summary
MC68HC908RK2 — Rev. 4.0
MOTOROLA
Internal Clock Generator Module (ICG)
Advance Information
137