Texas Instruments OMAP5912 Reference Manual page 592

Power Management User Services
Figure 21. OMAP3.2 Clock Generation
D
P
L
CK_REF
L M
1 u
x
Clocking
operating
mode
M
u
x
Clocking
operating
mode
M
u
x
Clocking
operating
mode
OMAP3.2
74 Power Management
CK_GEN1
Frequency divider
ARM_CKCTL[ARMDIV(5:4)]
Frequency divider
ARM_CKCTL[PERDIV(1:0)]
Mux controlled by
ARM_CKCTL[ARM_TIMXO(12)]
Frequency divided
by 14
ARM_CK
Frequency divided
by 2
CLKM1
CK_GEN2
Frequency divider
ARM_CKCTL[DSPDIV(7:6)]
Frequency divider
ARM_CKCTL[DSPMMUDIV(11:10)]
Frequency divided
Mux controlled by
by 2
DSP_CKCTL[ARM(TIMXO(8)]
Frequency divided
by 14
Frequency divided
by 2
Frequency divider
DSP_CKCTL[DSP_PERDIV(1:0)]
CLKM2
Frequency divider
ARM_CKCTL[TCDIV(9:8)]
CK_GEN3
Frequency divider
ARM_CKCTL[LCDDIV(3:2)]
CLKM3
IDLE condition + SW Clock Enable:
ARM_IDLECT2[EN_CKOUT_ARM(11)]
ARM_CK IDLE condition
IDLE condition + SW Clock Enable:
ARM_IDLECT2[EN_PERCK(2)]
IDLE condition + SW Clock Enable:
ARM_IDLECT2[EN_XORPCK(1)]
IDLE condition + SW Clock Enable:
ARM_IDLECT2[EN_TIMCK(7)]
IDLE condition + SW Clock Enable:
ARM_IDLECT2[EN_WDTCK(0)]
Mux controlled by
ARM_CKCTL[ARM_INTHCK_SEL(14)]
IDLE condition + SW Clock Enable:
ARM_CKCTL[EN_DSPCK(13)]
DSPMMU_CK IDLE condition
IDLE condition + SW Clock Enable:
DSP_IDLECT2[EN_TIMCK(5)]
IDLE condition + SW Clock Enable:
DSP_IDLECT2[EN_WDTCK(0)]
DSP_INTH_CK IDLE condition
IDLE condition + SW Clock Enable:
DSP_IDLECT2[EN_PERCK(2)]
IDLE condition + SW Clock Enable:
DSP_IDLECT2[EN_XORPCK(1)]
TC_CK IDLE condition
IDLE condition + SW Clock Enable:
ARM_IDLECT3[EN_OCPI_CK(0)]
IDLE condition + SW Clock Enable:
ARM_IDLECT3[EN_TC1_CK(2)]
IDLE condition + SW Clock Enable:
DMA_CK IDLE condition
ARM_IDLECT3[EN_TC2_CK(4)]
DMA_LCDFREE_CK
DMA_LCDFREE_CK
IDLE condition + SW Clock Enable:
ARM_IDLECT2[EN_APICK(6)]
RHEA[1/2]_CK IDLE condition
IDLE condition + SW Clock Enable:
ARM_IDLECT2[EN_LCDCK(3)]
CK_DPLL1OUT
ARM_CK
MPU
ARMCPU_CK
ARMPER_CK
MPU
external
peripherals
ARMXOR_CK
MPU
ARMTIM_CK
Internal
Timers
ARMWDT_CK
MPU
Watchdog
Timers
ARMINTH_CK MPU
Interrupt
Handler
DSP_CK
DSP
DSPMMU_CK
DSP MMU
DSP
DSPTIM_CK
Internal
Timers
DSPWDT_CK
DSP
Watchdog
Timers
DSP_INTH_CK
DSP
Interrupt
Handler
DSP
DSPPER_CK
external
DSPXOR_CK peripherals
FLASH_CLK_O*
TC_CK
TC
OCP-1
L3_OCPI_CK
OCP-T1
External
TC1_CK
peripherals
OCP-T2
TC2_CK
DMA_CK
System DMA
Controller
DMA_LCDFREE_CK
API_CK
MPUI Port
Interface
RHEA[1/2]_CK
MPUI TIPB
Bridge
LCD_CK
LCD
Controller
SPRU753A