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SM320C6424-EP_14

更新时间： 2024-02-25 09:14:35
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德州仪器 - TI /
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236页 2184K
描述
FIXED-POINT DIGITAL SIGNAL PROCESSOR

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SM320C6424-EP_14 数据手册

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SM320C6424-EP  
FIXED-POINT DIGITAL SIGNAL PROCESSOR  
www.ti.com  
SPRS580–JUNE 2009  
1 Introduction  
1.1 Features  
•
High-Performance Digital Signal Processor  
(C6424)  
•
C64x+ L1/L2 Memory Architecture  
–
–
–
256K-Bit (32K-Byte) L1P Program  
RAM/Cache [Flexible Allocation]  
640K-Bit (80K-Byte) L1D Data RAM/Cache  
[Flexible Allocation]  
1M-Bit (128K-Byte) L2 Unified Mapped  
RAM/Cache [Flexible Allocation]  
–
2.5-, 2-, 1.67-, 1.43-ns Instruction Cycle  
Time  
–
400-, 500-, 600-, 700-MHz C64x+™ Clock  
Rate  
–
–
–
–
Eight 32-Bit C64x+ Instructions/Cycle  
3200, 4000, 4800, 5600 MIPS  
Fully Software-Compatible With C64x  
Commercial and Automotive (Q or S suffix)  
Grades  
•
•
Endianess: Supports Both Little Endian and  
Big Endian  
External Memory Interfaces (EMIFs)  
–
32-Bit DDR2 SDRAM Memory Controller  
With 256M-Byte Address Space (1.8-V I/O)  
–
Low-Power Device (L suffix)  
•
VelociTI.2™ Extensions to VelociTI™  
Advanced Very-Long-Instruction-Word (VLIW)  
SM320C64x+™ DSP Core  
•
Supports up to 333-MHz (data rate) bus  
and interfaces to DDR2-400 SDRAM  
–
Asynchronous 16-Bit Wide EMIF (EMIFA)  
With up to 128M-Byte Address Reach  
•
–
Eight Highly Independent Functional Units  
With VelociTI.2 Extensions:  
Flash Memory Interfaces  
•
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  
–
–
NOR (8-/16-Bit-Wide Data)  
NAND (8-/16-Bit-Wide Data)  
•
•
Enhanced Direct-Memory-Access (EDMA)  
Controller (64 Independent Channels)  
•
Two 64-Bit General-Purpose Timers (Each  
Configurable as Two 32-Bit Timers)  
–
Load-Store Architecture With Non-Aligned  
Support  
64 32-Bit General-Purpose Registers  
Instruction Packing Reduces Code Size  
All Instructions Conditional  
•
•
One 64-Bit Watch Dog Timer  
Two UARTs (One with RTS and CTS Flow  
Control)  
Master/Slave Inter-Integrated Circuit (I2C  
Bus™)  
–
–
–
–
•
•
Additional C64x+™ Enhancements  
Two Multichannel Buffered Serial Ports  
(McBSPs)  
•
•
Protected Mode Operation  
Exceptions Support for Error Detection  
and Program Redirection  
–
–
–
–
–
–
I2S and TDM  
AC97 Audio Codec Interface  
SPI  
Standard Voice Codec Interface (AIC12)  
Telecom Interfaces – ST-Bus, H-100  
128 Channel Mode  
•
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  
•
Multichannel Audio Serial Port (McASP0)  
Four Serializers and SPDIF (DIT) Mode  
–
•
•
16-Bit Host-Port Interface (HPI)  
32-Bit 33-MHz, 3.3-V Peripheral Component  
Interconnect (PCI) Master/Slave Interface  
•
•
Compact 16-bit Instructions  
Additional Instructions to Support  
Complex Multiplies  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this document.  
All trademarks are the property of their respective owners.  
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.  
Copyright © 2009, Texas Instruments Incorporated  
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