Power, Reset, and Clock Management
8.1.12.2.34 CM_DIV_M5_DPLL_CORE Register (offset = 84h) [reset = 4h]
CM_DIV_M5_DPLL_CORE is shown in
and described in
This register provides controls over the CLKOUT2 o/p of the HSDIVIDER.
Figure 8-117. CM_DIV_M5_DPLL_CORE Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
R-0h
15
14
13
12
11
10
9
8
Reserved
HSDIVIDER_CLKOUT
Reserved
ST_HSDIVIDER_CLK HSDIVIDER_CLKOUT
2_PWDN
OUT2
2_GATE_CTRL
R-0h
R/W-0h
R-0h
R-0h
R/W-0h
7
6
5
4
3
2
1
0
Reserved
HSDIVIDER_CLKOUT
HSDIVIDER_CLKOUT2_DIV
2_DIVCHACK
R-0h
R-0h
R/W-4h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 8-125. CM_DIV_M5_DPLL_CORE Register Field Descriptions
Bit
Field
Type
Reset
Description
31-13
Reserved
R
0h
12
HSDIVIDER_CLKOUT2_P R/W
0h
Automatic power down for HSDIVIDER M5 divider and hence
WDN
CLKOUT2 output when the o/p clock is gated.
0x0 = ALWAYS_ACTIVE : Keep M5 divider powered on even when
CLKOUT2 is gated.
0x1 = AUTO_PWDN : Automatically power down M5 divider when
CLKOUT2 is gated.
11-10
Reserved
R
0h
9
ST_HSDIVIDER_CLKOU
R
0h
HSDIVIDER CLKOUT2 status
T2
0x0 = CLK_ENABLED : The clock output is enabled
0x1 = CLK_GATED : The clock output is gated
8
HSDIVIDER_CLKOUT2_
R/W
0h
Control gating of HSDIVIDER CLKOUT2
GATE_CTRL
0x0 = CLK_AUTOGATE : Automatically gate this clock when there is
no dependency for it
0x1 = CLK_ENABLE : Force this clock to stay enabled even if there
is no request
7-6
Reserved
R
0h
5
HSDIVIDER_CLKOUT2_
R
0h
Toggle on this status bit after changing HSDIVIDER_CLKOUT2_DIV
DIVCHACK
indicates that the change in divider value has taken effect
4-0
HSDIVIDER_CLKOUT2_
R/W
4h
DPLL post-divider factor, M5, for internal clock generation.
DIV
Divide values from 1 to 31.
649
SPRUH73H – October 2011 – Revised April 2013
Power, Reset, and Clock Management (PRCM)
Copyright © 2011–2013, Texas Instruments Incorporated