Power, Reset, and Clock Management
8.1.12.2.12 CM_CLKSEL_DPLL_MPU Register (offset = 2Ch) [reset = 0h]
CM_CLKSEL_DPLL_MPU is shown in
and described in
This register provides controls over the DPLL.
Figure 8-95. CM_CLKSEL_DPLL_MPU Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
DPLL_BYP_CLKSEL
Reserved
DPLL_MULT
R/W-0h
R-0h
R/W-0h
15
14
13
12
11
10
9
8
DPLL_MULT
R/W-0h
7
6
5
4
3
2
1
0
Reserved
DPLL_DIV
R-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 8-103. CM_CLKSEL_DPLL_MPU Register Field Descriptions
Bit
Field
Type
Reset
Description
31-24
Reserved
R
0h
23
DPLL_BYP_CLKSEL
R/W
0h
Selects CLKINP or CLKINPULOW as Bypass Clock
0x0 = Sel0 : Selects CLKINP Clock as BYPASS Clock
0x1 = Sel1 : Selects CLKINPULOW as Bypass Clock
22-19
Reserved
R
0h
18-8
DPLL_MULT
R/W
0h
DPLL multiplier factor (2 to 2047).
This register is automatically cleared to 0 when the DPLL_EN field in
the *CLKMODE_DPLL* register is set to select MN Bypass mode.
(equal to input M of DPLL
M=2 to
2047 => DPLL multiplies by M).
0x0 = 0 : Reserved
0x1 = 1 : Reserved
7
Reserved
R
0h
6-0
DPLL_DIV
R/W
0h
DPLL divider factor (0 to 127) (equal to input N of DPLL
actual division factor is N+1).
627
SPRUH73H – October 2011 – Revised April 2013
Power, Reset, and Clock Management (PRCM)
Copyright © 2011–2013, Texas Instruments Incorporated