Source selection/division
Hardware control
Software control
PRCM.CM_CLKSEL_CAM[4:0]
CLKSEL_CAM
Ratios: 1 to 16
CAM_MCLK
PRCM.CM_FCLKEN_CAM[0]
EN_CAM
GC
L3_ICLK
CAM_L3_ICLK
PRCM.CM_ICLKEN_CAM[0]
EN_CAM
PRCM.CM_AUTOIDLE_CAM[0]
AUTO_CAM
GC
PRCM.CM_CLKEN_PLL[18:16]
EN_PERIPH_DPLL
PRCM.CM_AUTOIDLE_PLL[5:3]
AUTO_PERIPH_DPLL
DPLL4_ALWON_FCLK
PRCM.CM_CLKSEL2_PLL[19:8]
PERIPH_DPLL_MULT
CM_CLKSEL2_PLL[6:0]
PERIPH_DPLL_DIV
prcm-066
L4_ICLK
CAM_L4_ICLK
GC
Source selection/division
Hardware control
Software control
USBHOST_120M_FCLK
PRCM.CM_FCLKEN_USBHOST[1]
EN_USBHOST2
PRCM.CM_FCLKEN_USBHOST[0]
EN_USBHOST1
120M_FCLK
USBHOST_48M_FCLK
L4_ICLK
prcm-091
L3_ICLK
48M_FCLK
OSC_SYS_CLK
PRCM.PM_PWSTCTRL_USBHOST[4]
SAVEANDRESTORE
PRCM.CM_ICLKEN_USBHOST[0]
EN_USBHOST
PRCM.CM_AUTOIDLE_USBHOST[0]
EN_USBHOST
USBHOST_SAR_FCLK
USBHOST_L3_ICLK
USBHOST_L4_ICLK
GC
GC
GC
GC
GC
Public Version
www.ti.com
PRCM Functional Description
Figure 3-69. CAM Power Domain Clock Controls
Table 3-53. CAM Power Domain Clock-Gating Controls
Clock Name
Reset
Clock-Gating Control
Gating Description
CAM_MCLK
Stopped
PRCM.
[0] EN_CAM
Gated when the enable bit is set to 0
CAM_L3_ICLK
Stopped
PRCM.
[0] EN_CAM,
Gated when:
PRCM.
[0] AUTO_CAM
• Enable bit is set to 0.
• Enable-autoidle bit pair is set to 1, and
the clock is not requested by
subsystem.
CAM_L4_ICLK
Stopped
3.5.3.7.10 USBHOST Power Domain Clock Controls
shows the clock controls for the USBHOST power domain.
lists the clock-gating
controls for the USBHOST power domain.
Figure 3-70. USBHOST Power Domain Clock Controls
Table 3-54. USBHOST Power Domain Clock-Gating Controls
Clock Name
Reset
Clock-Gating Control
Gating Description
USBHOST_48M_FCL Stopped
[0] EN_USBHOST1
Gated when the enable bit is set to 0
K
345
SWPU177N – December 2009 – Revised November 2010
Power, Reset, and Clock Management
Copyright © 2009–2010, Texas Instruments Incorporated