Texas Instruments OMAP36 Series, Technical Reference Manual

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PRCM Functional Description
Table 3-86. Voltage Processor Interrupts (continued)
Interrupt Type Destination Description
OPP change done MPU INTC The average error is within the desired limit.
Table 3-87. Voltage Processor Interrupt Enable and Status Bits
Interrupt Type Enable Bit Status Bit
Transaction done PRCM. PRM_IRQENABLE_MPU [21] PRCM. PRM_IRQSTATUS_MPU [21]
VP2_TRANXDONE_EN VP2_TRANXDONE_ST
PRCM. PRM_IRQENABLE_MPU [15] PRCM. PRM_IRQSTATUS_MPU [15]
VP1_TRANXDONE_EN VP1_TRANXDONE_ST
Equal value PRCM. PRM_IRQENABLE_MPU [20] PRCM. PRM_IRQSTATUS_MPU [20]
VP2_EQVALUE_EN VP2_ EQVALUE_ST
PRCM. PRM_IRQENABLE_MPU [14] PRCM. PRM_IRQSTATUS_MPU [14]
VP1_EQVALUE_EN VP1_EQVALUE_ST
No SMPS PRCM. PRM_IRQENABLE_MPU [19] PRCM. PRM_IRQSTATUS_MPU [19]
acknowledge VP2_NOSMPSACK_EN VP2_NOSMPSACK_ST
PRCM. PRM_IRQENABLE_MPU [13] PRCM. PRM_IRQSTATUS_MPU [13]
VP1_NOSMPSACK_EN VP1_NOSMPSACK_ST
Maximum VDD PRCM. PRM_IRQENABLE_MPU [18] PRCM. PRM_IRQSTATUS_MPU [18]
VP2_MAXVDD_EN VP2_MAXVDD_ST
PRCM. PRM_IRQENABLE_MPU [12] PRCM. PRM_IRQSTATUS_MPU [12]
VP1_ MAXVDD_EN VP1_MAXVDD_ST
Minimum VDD PRCM. PRM_IRQENABLE_MPU [17] PRCM. PRM_IRQSTATUS_MPU [17]
VP2_MINVDD_EN VP2_MINVDD_ST
PRCM. PRM_IRQENABLE_MPU [11] PRCM. PRM_IRQSTATUS_MPU [11]
VP1_MINVDD_EN VP1_MINVDD_ST
OPP change done PRCM. PRM_IRQENABLE_MPU [16] PRCM. PRM_IRQSTATUS_MPU [16]
VP2_OPPCHANGEDONE_EN VP2_OPPCHANGEDONE_ST
PRCM. PRM_IRQENABLE_MPU [10] PRCM. PRM_IRQSTATUS_MPU [10]
VP1_OPPCHANGEDONE_EN VP1_OPPCHANGEDONE_ST
Voltage-Processor Status
The status of the voltage processor is represented by the following:
PRCM.PRM_VPn_VOLTAGE[7:0] Current voltage for SMPS Value of the current voltage level requested by
VPVOLTAGE the voltage processor
PRCM.PRM_VPn_STATUS[0] VPINIDLE VP in inactive state The voltage processor is in idle mode.
Voltage-Processor Parameters
The following parameters of the voltage processor must be configured:
Bit/Bit Field Parameter Description
PRCM.PRM_VPn_CONFIG[31:24] Error offset Error in voltage offset value
ERROROFFSET
PRCM.PRM_VPn_CONFIG[231:16] ERRORGAIN Error gain Error in voltage gain value
PRCM.PRM_VPn_CONFIG[3] TIMEOUTEN Time-out enable Enables/disables the time-out set by the time-out
delay parameter
PRCM.PRM_VPn_VSTEPMIN[7:0] VSTEPMIN Minimum step size Minimum voltage step size
PRCM.PRM_VPn_VSTEPMAX[7:0] VSTEPMAX Maximum step size Maximum voltage step size
PRCM.PRM_VPn_VLIMITTO[31:24] VDDMAX Maximum VDD limit Maximum voltage limit of the VDD
PRCM.PRM_VPn_VLIMITTO[23:16] VDDMIN Minimum VDD limit Minimum voltage limit of the VDD
PRCM.PRM_VPn_VLIMITTO[15:0] TIMEOUT Time-out delay Maximum delay between a voltage change
command and its acknowledge
PRCM.PRM_VPn_CONFIG[15:8] INITVDD Initial VDD voltage Initial voltage set in the voltage processor
PRCM.PRM_VPn_CONFIG[2] INITVDD Initialize VDD Set initial voltage given in initial VDD voltage
parameter in the voltage processor
387 SWPU177N – December 2009 – Revised November 2010 Power, Reset, and Clock Management
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