Power, Reset, and Clock Management
8.1.12.2.25 CM_SSC_DELTAMSTEP_DPLL_CORE Register (offset = 60h) [reset = 0h]
CM_SSC_DELTAMSTEP_DPLL_CORE is shown in
and described in
Control the DeltaMStep parameter for Spread Spectrum Clocking technique DeltaMStep is split into
fractional and integer part. [warm reset insensitive]
Figure 8-108. CM_SSC_DELTAMSTEP_DPLL_CORE Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
DELTAMSTEP_INTEGER
DELTAMSTEP_FRACTION
R-0h
R/W-0h
R/W-0h
15
14
13
12
11
10
9
8
DELTAMSTEP_FRACTION
R/W-0h
7
6
5
4
3
2
1
0
DELTAMSTEP_FRACTION
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 8-116. CM_SSC_DELTAMSTEP_DPLL_CORE Register Field Descriptions
Bit
Field
Type
Reset
Description
31-20
Reserved
R
0h
19-18
DELTAMSTEP_INTEGER
R/W
0h
Integer part for DeltaM coefficient
17-0
DELTAMSTEP_FRACTIO
R/W
0h
Fractional setting for DeltaMStep parameter
N
640
Power, Reset, and Clock Management (PRCM)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated