
32K_FCLK
GPT1_FCLK
PRCM.CM_FCLKEN_WKUP[0]
EN_GPT1
PRCM.CM_CLKSEL_WKUP[0]
CLKSEL_GPT1
GC
SYS_CLK
PRCM.CM_FCLKEN_WKUP[3]
EN_GPIO 1
PRCM.CM_FCLKEN_WKUP[5]
EN_WDT2
WKUP_32K_FCLK
CL
PRCM.CM_AUTOIDLE_WKUP[5]
AUTO_WDT2
PRCM.CM_AUTOIDLE_WKUP[3]
AUTO_GPIO1
PRCM.CM_AUTOIDLE_WKUP[2]
AUTO_32KSYNC
PRCM.CM_AUTOIDLE_WKUP[0]
AUTO_GPT1
PRCM.CM_ICLKEN_WKUP[5]
EN_WDT2
PRCM.CM_ICLKEN_WKUP[3]
EN_GPIO1
PRCM.CM_ICLKEN_WKUP[2]
EN_32KSYNC
PRCM.CM_ICLKEN_WKUP[0]
EN_GPT1
WKUP_L4_ICLK
CL
prcm-067
Public Version
PRCM Functional Description
www.ti.com
Table 3-54. USBHOST Power Domain Clock-Gating Controls (continued)
Clock Name
Reset
Clock-Gating Control
Gating Description
USBHOST_120M_FC Stopped
[1] EN_USBHOST2
Gated when the enable bit is set to 0
LK
USBHOST_L3_ICLK
Stopped
[0] EN_USBHOST,
Gated when:
• Enable bit is set to 0.
AUTO_USBHOST
• Enable-autoidle bit pair is set to 1,
and the clock is not requested by
subsystem.
USBHOST_L4_ICLK
Stopped
USBHOST_SAR_FCL Stopped
[4]
Gated when the save-restore bit is set
K
SAVEANDRESTORE
to 0, or when the power domain is in
off state after the save operation
completes or in on state after the
restore operation completes.
3.5.3.7.11 WKUP Power Domain Clock Controls
shows the clock controls for the WKUP power domain.
lists the clock-gating
controls for the WKUP power domain.
Figure 3-71. WKUP Power Domain Clock Controls
Table 3-55. WKUP Power Domain Clock-Gating Controls
Clock Name
Reset
Clock-Gating Control
Gating Description
GPT1_FCLK
Stopped
PRCM.
Gated when the enable bit is set to 0
EN_GPT1
WKUP_32K_FCLK
Stopped
PRCM.
[3] GPIO1
Gated when the enable bits are set to 0
and PRCM.
WDT2
WKUP_L4_ICLK
Running
PRCM.
EN_(WDT2,
Gated when:
GPIO1, 32KSYNC, GPTIMER1),
• All enable bits are set to 0.
PRCM.
AUTO_
• All enable-autoidle bit pairs are set to
(WDT2, GPIO1, 32KSYNC, and
1, and the clock is not requested by
GPTIMER1)
any module.
346 Power, Reset, and Clock Management
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated