2-6
Clock Configuration
Table 2-8. SCMR Bit Descriptions
Name
Bit No.
Defaults
Description
Settings
PORESET
Hard
Reset
—
0–1
—
—
Reserved
COREPDF
2–3
Configuration
Pins
Unaffected
Core PLL Pre-Division Factor
00 CPLL PDF= 1
01 CPLL PDF= 2
10 CPLL PDF= 3
11 CPLL PDF= 4
COREMF
4–7
Configuration
Pins
Unaffected
Core Multiplication Factor
0101 MF
=
10
0110 MF
=
12
All other combinations not used.
BUSDF
8–11
Configuration
Pins
Unaffected
60x Bus Division Factor
0010 Bus
DF
=
3
0011 Bus
DF
=
4
0100 Bus
DF
=
5
All other combinations not used.
CPMDF
12–15
Configuration
Pins
Unaffected
CPM Division Factor
0001 CPM DF = 2
All other combinations are not
used.
SPLLPDF
16–19
Configuration
Pins
Unaffected
SPLL Pre-Division Factor
0000
SPLL PDF = 1
0001
SPLL PDF = 2
0010
SPLL PDF = 3
0011
SPLL PDF = 4
All other combinations not used
SPLLMF
20–23
Configuration
Pins
Unaffected
SPLL Multiplication Factor
0110
SPLL MF = 12
0111
SPLL MF = 14
1000
SPLL MF = 16
1001
SPLL MF = 18
1010
SPLL MF = 20
1011
SPLL MF = 22
1100
SPLL MF = 24
1101
SPLL MF = 26
1110
SPLL MF = 28
1111
SPLL MF = 30
All other combinations not used
—
24
—
—
Reserved
DLLDIS
25
Configuration
Pins
Unaffected
DLL Disable
0
DLL operation is enabled
1
DLL is disabled
—
26–31
—
—
Reserved