Power-Down Control, Global | Texas Instruments SM320C6455-EP

SM320C6455-EP

FIXED-POINT DIGITAL SIGNAL PROCESSOR

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SPRS462B – SEPTEMBER 2007 – REVISED JANUARY 2008

5.4Power-Down Control

The C64x+ Megamodule supports the ability to power-down various parts of the C64x+ Megamodule. The power-down controller (PDC) of the C64x+ Megamodule can be used to power down L1P, the cache control hardware, the CPU, and the entire C64x+ Megamodule. These power-down features can be used to design systems for lower overall system power requirements.

NOTE

The C6455 does not support power-down modes for the L2 memory at this time.

More information on the power-down features of the C64x+ Megamodule can be found in the TMS320C64x+ Megamodule Reference Guide (literature number SPRU871).

5.5Megamodule Resets

Table 5-2shows the reset types supported on the C6455 device and they affect the resetting of the Megamodule, either both globally or just locally.

Table 5-2. Megamodule Reset (Global or Local)

	GLOBAL	LOCAL
RESET TYPE	MEGAMODULE	MEGAMODULE
	RESET	RESET
Power-On Reset	Y	Y
Warm Reset	Y	Y
Max Reset	Y	Y
System Reset	Y	Y
CPU Reset	N	Y

For more detailed information on the global and local Megamodule resets, see the TMS320C64x+ Megamodule Reference Guide (literature number SPRU871). And for more detailed information on device resets, see Section 7.6, Reset Controller.

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C64x+ Megamodule

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Texas Instruments SM320C6455-EP manual Power-Down Control, Megamodule Resets, Megamodule Reset Global or Local

Contents

Data Manual Data Manual FIXED-POINT Digital Signal Processor Recommended Operating Conditions C64x+ Peripheral Information and Electrical Specifications FIXED-POINT Digital Signal Processor Enhanced Turbo Decoder Coprocessor TCP2 Features Description ZTZ/GTZ BGA Package Bottom ViewZTZ/GTZ 697-PIN Ball Grid Array BGA Package Bottom View Submit Documentation Feedback Functional Block Diagram Functional Block Diagram C6455 Device CharacteristicsCharacteristics of the C6455 Processor Hardware Features CPU DSP Core Description FIXED-POINT Digital Signal Processor C64x+ CPU DSP Core Data Paths C6455 Memory Map Summary Memory Map SummaryMemory Block Description Block Size Bytes HEX Address Range 0FFF Ffff 02CF Ffff02DF Ffff 03FF Ffff Boot Modes Supported Boot Sequence FIXED-POINT Digital Signal Processor 2 2nd-Level Bootloaders Pin Map Pin Assignments C6455 Pin Map Bottom View Quadrant B C6455 Pin Map Bottom View Quadrant C C6455 Pin Map Bottom View Quadrant D Signal Groups Description URADDR4/PCBE0/GP2C SYSCLK4/GP1A TINPL1 TOUTL1TINPL0 Gpio ABE7 ABE6 ABE5 ABE4 ACE5A ACE4AACE3A ACE2A Clks Shared HCNTL0/PSTOP HCNTL1/PDEVSEL HHWIL/PCLK HPI16 onlyHpia CLKR1/GP0 URSOC/MRXER/RMRXER UXADDR3/MDIORgmdio UXADDR4/MDCLK UXDATA0/MTXD0/RMTXD0 UXDATA4/MTXD4URDATA3/MRXD3 UXDATA3/MTXD3 URDATA2/MRXD2 UXDATA2/MTXD2 UXDATA1/MTXD1/RMTXD1 Terminal Functions SignalIPD/IPU Description Name CLOCK/PLL Configurations Terminal Functions Signal Name Type 1 IPD/IPU Emifa 64 BIT BUS Arbitration Emifa 64 BIT Control Signals Common to ALL Types of MemoryEmifa 64 BIT ASYNCHRONOUS/SYNCHRONOUS Memory Control AEA15 Signal TYPE1 NameIPD/IPU2 Description Emifa 64 BIT Address AEA1916 AEA4 IPD/IPU Description NameAEA6 AEA5 Signal TYPE1 IPD/IPU2 Description Name Emifa 64 BIT Data AED18 AED21AED20 AED19 DDR2 Memory Controller 32 BIT Address IPD/IPU2 Description IPD/IPU Description Name DDR2 Memory Controller 32 BIT Data TimerINTER-INTEGRATED Circuit I2C Utopia Slave ATM Controller Transmit Interface Signal TYPE1 IPD/IPU2 Description NameMultichannel Buffered Serial Port 1 McBSP1 Multichannel Buffered Serial Port 0 McBSP0 TYPE1 IPD/IPU2 Description URADDR2/PINTA1/ GP14 URADDR1/PRSTUtopia Slave ATM Controller Receive Interface Management Data INPUT/OUTPUT Mdio for MII/RMII/GMII Signal TYPE1 IPD/IPU2 Description Name Rapidio Serial PortManagement Data INPUT/OUTPUT Mdio for Rgmii Device Configuration Reserved for Test RgrefclkRSV05 RSV07 RSV09 RSV16 RSV13RSV14 RSV15 IPD/IPU2 Description Supply Voltage Monitor Pins Signal TYPE1 Name noSupply Voltage Pins U16 AB7 AA1 AA6AC6 AC9 CV DD AD5 AD7AE6 AE8 AF1 Cvdd Ground PinsGND F20 F22 F24 G11 G13 G15 G17 G19 G21 G23 M16 M18 M24 M26 M29 N13 N15 N17 N19 N23 P12 P14 P16 P18 AB6 AA2 AA7AC7 AC8 AH1 AD6AE4 AE7 GND AF2 Device and Development-Support Tool Nomenclature DevelopmentDevelopment Support Device Support SM=Qualifieddevice C6000 DSP platforms FIXED-POINT Digital Signal Processor IPU1 Device Configuration at Device ResetC6455 Device Configuration Pins AEA190, ABA10, and Pcien Configuration IPD PIN AEA11 AEA14AEA13 AEA12 ABA0 Peripheral Configuration at Device ResetConfiguration IPD Functional Description PIN IPU AUTO-INIT Configuration PIN Setting Utopiaen Pcien PINUTOPIAEN, and MACSEL10 Peripheral Selection Utopia and Emac Lower Upper Peripherals That can be This State Peripheral Selection After Device ResetPeripheral States State Unlock the PERCFG0 register by Using the Perlock register Static Powerdown Reset Enable Progress Disabled Enabled Device State Control Registers Device State Control RegistersHEX Address Range Acronym Register Name Lockval Peripheral Lock Register DescriptionLockval Bit Field Value Description 310 Bit Field Value Description Peripheral Configuration Register 0 Description Bit Field DDR2CTL Emifactl Peripheral Configuration Register 1 DescriptionDDR2CTL Hpistat Peripheral Status Registers DescriptionI2CSTAT 1715 Utopiastat Pcistat SM320C6455-EPUtopiastat Rmiirst Emac Configuration Register Emaccfg Description Emuctl Emulator Buffer Powerdown Register Emubufpd Description Pcieeai MACSEL1 MACSEL0 Device Status Register DescriptionEmifaen DDR2EN Pcien CFGGP2 CFGGP1 CFGGP0 Sysclkout MCBSP1EN PCI66 MACSEL10 PcieeaiUtopiaen Variant BOOTMODE30Jtag ID Jtagid Register Description Variant Part Number Manufacturer LSB Pullup/Pulldown Resistors Configuration Examples HPI VCP2 HRDY,HINT FIXED-POINT Digital Signal Processor System Interconnect Internal Buses, Bridges, and Switch Fabrics Data Switch Fabric Connections Switched Central Resource Block Diagram SCR Connection Matrix Configuration Switch Fabric C64x+ Megamodule SCR Connection BUS Master Default Priority Control Priority Level C6455 Default Bus Master PrioritiesBus Priorities Memory Architecture X+ Megamodule Block Diagram C6455 L1P Memory Configurations C6455 L2 Memory Configurations AID0 Bit Memory ProtectionBandwidth Management Available Memory Page Protection Schemes Reset Type Megamodule Power-Down ControlMegamodule Resets Megamodule Reset Global or Local Revision Megamodule RevisionVersion Revision a Version Megamodule Interrupt Registers C64x+ Megamodule Register Descriptions Megamodule Revision Register Megamodule Powerdown Control RegistersMegamodule Idma Registers Megamodule Cache Configuration Registers MAR168 Controls Emifa CE2 Range A800 0000 A8FF Ffff Megamodule L1/L2 Memory Protection Registers L2MPPA7 L2MPPA4L2MPPA5 L2MPPA6 L1PMPPA21 L1PMPPA18L1PMPPA19 L1PMPPA20 10. CPU Megamodule Bandwidth Management Registers 11. Device Configuration Registers Chip-Level RegistersHEX Address Range Acronym Register Name Comments AV DDA Recommended Operating ConditionsDV DD12, DV DDRM, AV DDT, AV DDA MIN NOM MAX Unit VSS VIH VIL Recommended Operating ConditionsVOS DVDD33 = MIN IOL = MAX Parameter Test CONDITIONS1 MIN TYP MAX UnitVOH VOL TDO DVDD33 = MIN IOH = MAX Current DC 2 3.3-V Signal Transition Rates 1 3.3-V Signal Transition LevelsParameter Information Timing Parameters and Board Routing Analysis Power-Supply Decoupling Recommended Clock and Control Signal Transition BehaviorPower Supplies Power-Supply Sequencing 108 Enhanced Direct Memory Access EDMA3 Controller Edma Binary Event Name Event Description Channel EDMA3 Device-Specific InformationEDMA3 Channel Synchronization Events C6455 EDMA3 Channel Synchronization Events1 C6455 EDMA3 Channel Synchronization Events EDMA3 Peripheral Register DescriptionsEDMA3 Channel Controller Registers DCHMAP11 DCHMAP8DCHMAP9 DCHMAP10 DCHMAP58 DCHMAP55DCHMAP56 DCHMAP57 DRAEH6 DRAE5DRAEH5 DRAE6 QSTAT3 QSTAT0QSTAT1 QSTAT2 Shadow Region 0 Channel Registers Interrupt Enable Register High EDMA3 Transfer Controller 0 Registers EDMA3 Parameter RAM1 EDMA3 Transfer Controller 1 Registers EDMA3 Transfer Controller 2 Registers 121 EDMA3 Transfer Controller 3 Registers 123 Event Number Interrupt Event Description InterruptsInterrupt Sources and Interrupt Controller 10. C6455 System Event Mapping TINTLO0 XINT0RINT1 XINT1 L1PDMPA L1PED1Pdcint L1PCMPA 11. Timing Requirements for External Interrupts1 see Figure External Interrupts Electrical Data/TimingNMI Type Initiator Reset ControllerPower-on Reset POR Pin 12. Reset Types Warm Reset Reset Pin System Reset Max ResetCPU Reset Reset Priority Srst Reset Controller RegisterReset Type Status Register Description Srst Mrst Wrst POR Parameter Reset Electrical Data/Timing14. Timing Requirements for Reset12 3see -8and Figure 720 1000/-1000 Unit Power-Up Timing CLKIN1 CLKIN2 POR Resetstat PLL1 and PLL1 Controller Internal Clocks and Maximum Operating Frequencies 1 PLL1 Controller Device-Specific Information 1.2 PLL1 Controller Operating Modes 1.3 PLL1 Stabilization, Lock, and Reset TimesClock Signal MIN MAX Unit 16. PLL1 Clock Frequency Ranges MIN TYP 17. PLL1 Stabilization, Lock, and Reset Times18. PLL1 Controller Registers Including Reset Controller 2 PLL1 Controller Memory Map Pllpwrdn 3 PLL1 Controller Register Descriptions3.1 PLL1 Control Register Pllrst 20. PLL Multiplier Control Register Pllm Field Descriptions PLL Multiplier Control Register Preden PLL Pre-Divider Control RegisterRatio D4EN PLL Controller Divider 4 Register D5EN PLL Controller Divider 5 Register Goset PLL Controller Command Register Gostat PLL Controller Status Register PLL Controller Clock Align Control Register SYS5 SYS4 Plldiv Ratio Change Status RegisterSYS5 SYS5ON SYS4ON SYS3ON SYS2ON Sysclk Status Register PLL Modes 29. Timing Requirements for CLKIN1 Devices123 see FigureSYSCLK4 PLL2 and PLL2 Controller 23. PLL2 Block Diagram Pllref Pllen = 1 PLL2 Controller Device-Specific Information31. PLL2 Clock Frequency Ranges 1.2 PLL2 Controller Operating Modes HEX Address Range Acronym Description 2 PLL2 Controller Memory Map3 PLL2 Controller Register Descriptions 32. PLL2 Controller Registers D1EN PLL Controller Divider 1 Register 155 ALN1 SYS1 SYS1ON 39. Timing Requirements for CLKIN2123 see Figure 4 PLL2 Controller Input Clock Electrical Data/Timing 1 DDR2 Memory Controller Device-Specific Information DDR2 Memory Controller 3 DDR2 Memory Controller Electrical Data/Timing 2 DDR2 Memory Controller Peripheral Register Descriptions40. DDR2 Memory Controller Registers Emifa Device-Specific Information External Memory Interface a Emifa 41. Emifa Registers Emifa Peripheral Register Descriptions 42. Timing Requirements for Aeclkin for EMIFA12 see Figure Emifa Electrical Data/TimingAeclkin Aeclkin AECLKOUT1 See -33and Figure AAOE/ASOE a AAWE/ASWE a AR/W Aardy B Deasserted Setup = Hold =ACEx ABE70 ABA10 AED630 Read Data ABA10 AED630 Strobe Setup = Extended StrobeAeclkout Aardya Asserted Deasserted Setup time, read AEDx valid before Aeclkout high ASADS/ASRE B AAOE/ASOE B AAWE/ASWEB SM320C6455-EPBE1 BE2 BE3 BE4 EA1 EA2 EA3 EA4 Write Latency = Hold Holda HOLD/HOLDA TimingHHOLDAL-HOLDL Hold time, Hold low after Holda low DSP Owns Bus Busreq Timing Delay time, Aeclkout high to Abusreq valid AECLKOUTx 11.1 I2C Device-Specific Information 11 I2C Peripheral I2CEMDR I2COARI2CCLKH I2CSAR I2CXSR 51. I2C Registers 11.2 I2C Peripheral Register Descriptions 11.3 I2C Electrical Data/Timing Standard Mode Fast Mode MIN MAX Stop Start SDA SCLStart Stop Stop Start Repeated 43. I2C Transmit Timings 54. HPI Control Registers Host-Port Interface HPI PeripheralHPI Device-Specific Information HPI Peripheral Register Descriptions HPI Electrical Data/Timing NO.PARAMETER See -56through Figure HD150 HCS HasHCNTL10 HR/W Hhwil Hstrobea Hrdyb HR/W Hhwil Hstrobe a 46. HPI16 Write Timing has Not Used, Tied High 47. HPI16 Write Timing has Used 48. HPI32 Read Timing has Not Used, Tied High 49. HPI32 Read Timing has Used Input HCS input Has input HCNTL10 Input HR/W input Input HCS input HD310 input 51. HPI32 Write Timing has Used Multichannel Buffered Serial Port McBSP McBSP Device-Specific Information 58. McBSP 1 Registers 720 850 1000/-1000 McBSP Electrical Data/Timing FIXED-POINT Digital Signal Processor Clkx Clks ClkrClks Bit Bitn-1 Master Slave MIN MAXMASTER3 Slave MIN MAX Clkx FSX Master Slave MIN Setup time, DR valid before Clkx high 18PHold time, DR valid after Clkx high + 36P 198 199 Ethernet Bus Ethernet MAC Emac Interface Modes Emac Device-Specific Information Ball Number Device PIN Name 70. EMAC/MDIO Multiplexed Pins MII, RMII, and Gmii ModesRmii Interface Mode Clocking 71. Ethernet MAC Emac Control Registers Emac Peripheral Register Descriptions RX7FREEBUFFER MacconfigSoftreset RX6FREEBUFFER HEX Address Range Acronym 72. Emac Statistics Registers 74. Emac Descriptor Memory 73. Emac Control Module Registers02C8 2000 02C8 3FFF Emac Descriptor Memory Mtclk Emac Electrical Data/TimingMbps Gmii Only Mrclk Input MRXD3−MRXD0 GmtclkOutput Mrclk Input MRXD7−MRXD4GMII only Gmtclk Output Mtclk Input MTXD7−MTXD4GMII onlyMTXD3−MTXD0 Mtxen Outputs Rmrefclk Input Emac Rmii Electrical Data/Timing Mrxer Inputs 720 1000/-1000 Unit MRXD1-MRXD0 Mcrsdv Emac Rgmii Electrical Data/Timing Cycle time, TXC Mbps 40*t cTXC 60*t cTXC 70. Emac Transmit Interface Timing Rgmii OperationAB Mdio Device-Specific Information Management Data Input/Output MdioMdio Peripheral Register Descriptions 89. Mdio Registers Mdio output Delay time, Mdclk low to Mdio data output valid 100Mdclk Mdio input 92. Timer 0 Registers TimersTimers Device-Specific Information Timers Peripheral Register Descriptions 94. Timing Requirements for Timer Inputs1 see Figure Timers Electrical Data/TimingTINPLx TOUTLx 96. VCP2 Registers Enhanced Viterbi-Decoder Coprocessor VCP216.1 VCP2 Device-Specific Information 16.2 VCP2 Peripheral Register Descriptions Tbsd Enhanced Turbo Decoder Coprocessor TCP217.1 TCP2 Device-Specific Information Tbhd 97. TCP2 Registers 17.2 TCP2 Peripheral Register Descriptions PCI Device-Specific Information 98. Default Values for PCI Configuration RegistersRegister Default Value Peripheral Component Interconnect PCI PCI Peripheral Register Descriptions 99. PCI Configuration Registers 100. PCI Back End Configuration Registers 101. DSP-toPCI Address Translation Registers 103. PCI External Memory Space 102. PCI Hook Configuration RegistersHEX Address Offset Acronym Register Name 4AFF Ffff 48FF Ffff49FF Ffff 4A7F Ffff PCI Electrical Data/Timing 105. Utopia Data Queues Receive and Transmit Registers Utopia Device-Specific InformationUtopia Peripheral Register Descriptions 104. Utopia Registers Urclk Utopia Electrical Data/Timing106. Timing Requirements for UXCLK1 see Figure Uxclk UXADDR40 Uxclk UXDATA70Uxclav Uxenb Uxsoc P48 0x1F Urclk URDATA70 URADDR40 N Urclav Urenb Ursoc 112. RapidIO Control Registers Serial RapidIO Srio PortSerial RapidIO Device-Specific Information Serial RapidIO Peripheral Register Descriptions RIOBLK3ENSTAT RIOBLK2ENRIOBLK2ENSTAT RIOBLK3EN RIODOORBELL3ICCR RIODOORBELL2ICSRRIODOORBELL2ICCR RIODOORBELL3ICSR RIOINTDST0DECODE RioerrrstevnticrrRIOERRRSTEVNTICRR2 RIOERRRSTEVNTICRR3 RIOLSU4REG3 RIOLSU4REG0RIOLSU4REG1 RIOLSU4REG2 RIOQUEUE7RXDMAHDP RIOQUEUE4RXDMAHDPRIOQUEUE5RXDMAHDP RIOQUEUE6RXDMAHDP RIORXUMAPH1 RIORXUMAPL0RIORXUMAPH0 RIORXUMAPL1 RapidIO Peripheral-Specific Registers Riohostbaseidlock RiolclcfghbarRiolclcfgbar Riobaseid RIOSP0RATEEN RioctrlcaptRiopwtgtid RIOSP0ERRDET Serial RapidIO Electrical Data/Timing 245 113. Gpio Registers General-Purpose Input/Output GpioGpio Device-Specific Information Gpio Peripheral Register Descriptions Pulse duration, GPOx low 36P 8 Gpio Electrical Data/Timing114. Timing Requirements for Gpio Inputs12 see Figure Pulse duration, GPOx high 36P 8 Advanced Event Triggering AET Emulation Features and CapabilityTrace 116. Timing Requirements for Jtag Test Port see Figure Delay time, TCK low to TDO validIeee 1149.1 Jtag Jtag Device-Specific Information Added 0.83 ns C6455-1200 1.2-GHz CPU Cycle Time Revision HistoryC6455 Revision History See ADDITIONS/MODIFICATIONS/DELETIONS AIR Flow Thermal Resistance Characteristics S-PBGA Package ZTZ/GTZThermal Data Packaging Information MSL Peak Temp Orderable Device Status Package Pins Package Eco PlanQty Page DSP Products ApplicationsRfid