TMS320DM647_0804 Datasheet, PDF (1/182 Pages) Texas Instruments – Digital Media Processor

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1 TMS320DM647/TMS320DM648 Digital Media Processor
TMS320DM647/TMS320DM648
Digital Media Processor
SPRS372B – MAY 2007 – REVISED APRIL 2008
1.1 Features
• High-Performance Digital Media Processor
(DM647/DM648)
– 720, 900-MHz C64x+™ Clock Rate
– 1.39, 1.11-ns Instruction Cycle Time
– 5760, 7200 MIPS
– Eight 32-Bit C64x+ Instructions/Cycle
– Fully Software-Compatible With
C64x/Debug
– Commercial Temperature Ranges
• VelociTI.2™ Extensions to VelociTI™
Advanced Very-Long-Instruction-Word (VLIW)
TMS320C64x+™ DSP Core
– Eight Highly Independent Functional Units
With VelociTI.2 Extensions:
• Six ALUs (32-/40-Bit), Each Supports
Single 32-bit, Dual 16-bit, or Quad 8-bit
Arithmetic per Clock Cycle
• Two Multipliers Support Four 16 x 16-bit
Multiplies (32-bit Results) per Clock
Cycle or Eight 8 x 8-bit Multiplies (16-Bit
Results) per Clock Cycle
– Load-Store Architecture With Non-Aligned
Support
– 64 32-bit General-Purpose Registers
– Instruction Packing Reduces Code Size
– All Instructions Conditional
– Additional C64x+™ Enhancements
• Protected Mode Operation
• Exceptions Support for Error Detection
and Program Redirection
• Hardware Support for Modulo Loop
Auto-Focus Module Operation
• C64x+ Instruction Set Features
– Byte-Addressable (8-/16-/32-/64-bit Data)
– 8-bit Overflow Protection
– Bit-Field Extract, Set, Clear
– Normalization, Saturation, Bit-Counting
– VelociTI.2 Increased Orthogonality
– C64x+ Extensions
• Compact 16-bit Instructions
• Additional Instructions to Support
Complex Multiplies
• C64x+ L1/L2 Memory Architecture
– 256K-bit (32K-byte) L1P Program
RAM/Cache [Direct Mapped]
– 256K-bit (32K-byte) L1D Data RAM/Cache
[2-Way Set-Associative]
– 2M-bit/256K-byte (DM647) or
4M-Bit/512K-byte) (DM648) L2 Unified
Mapped RAM/Cache [Flexible Allocation]
• Supports Little Endian Mode Only
• Five Configurable Video Ports
– Providing a Glueless I/F to Common Video
Decoder and Encoder Devices
– Supports Multiple Resolutions/Video
Standards
• VCXO Interpolated Control Port (VIC)
– Supports Audio/Video Synchronization
• External Memory Interfaces (EMIFs)
– 32-Bit DDR2 SDRAM Memory Controller
With 512M-Byte⁽¹⁾ Address Space (1.8-V I/O)
– Asynchronous 16-Bit Wide EMIF (EMIFA)
• Up to 128M-Byte Total Address Reach
• 64M-Byte Address Reach per CE Space
– Glueless Interface to Asynchronous
Memories (SRAM, Flash, and EEPROM)
– Synchronous Memories (SBSRAM and ZBT
SRAM)
– Supports Interface to Standard Sync
Devices and Custom Logic (FPGA, CPLD,
ASICs, etc.)
• Enhanced Direct-Memory-Access (EDMA)
Controller (64 Independent Channels)
• 3-Port Gigabit Ethernet Switch Subsystem
• Four 64-Bit General-Purpose Timers (Each
Configurable as Two 32-Bit Timers)
• One UART (With RTS and CTS Flow Control)
• One 4-wire Serial Port Interface (SPI) With Two
Chip-Selects
• Master/Slave Inter-Integrated Circuit (I2C
Bus™)
• Multichannel Audio Serial Port (McASP)
– Ten Serializers and SPDIF (DIT) Mode
• 16/32-Bit Host-Port Interface (HPI)
• Advanced Event Triggering (AET) Compatible
(1) From Silicon revision 1.1 and onward. In silicon revision 1.0,
the address space in bytes are 256M.
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Instruments semiconductor products and disclaimers thereto appears at the end of this document.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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