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TMS320C6745 PDF预览

TMS320C6745

更新时间： 2024-10-29 05:29:11
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德州仪器 - TI 数字信号处理器
页数 文件大小 规格书
209页 1908K
描述
Floating-point Digital Signal Processor

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TMS320C6745 数据手册

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TMS320C6745/6747 Floating-point Digital Signal Processor  
www.ti.com  
SPRS377A–SEPTEMBER 2008–REVISED OCTOBER 2008  
1 TMS320C6745/6747 Floating-point Digital Signal Processor  
1.1 Features  
•
•
Mixed-Precision IEEE Floating Point  
Multiply Supported up to:  
•
Applications  
–
–
–
–
Industrial Control  
USB, Networking  
High-Speed Encoding  
Professional Audio  
–
–
–
–
2 SP x SP -> SP Per Clock  
2 SP x SP -> DP Every Two Clocks  
2 SP x DP -> DP Every Three Clocks  
2 DP x DP -> DP Every Four Clocks  
•
Software Support  
Fixed Point Multiply Supports Two 32 x  
32-Bit Multiplies, Four 16 x 16-Bit  
Multiplies, or Eight 8 x 8-Bit Multiplies  
per Clock Cycle, and Complex Multiples  
–
–
TI DSP/BIOS™  
Chip Support Library and DSP Library  
•
•
300-MHz C674x™ VLIW DSP  
C674x Instruction Set Features  
–
–
–
Instruction Packing Reduces Code Size  
All Instructions Conditional  
Hardware Support for Modulo Loop  
Operation  
Protected Mode Operation  
Exceptions Support for Error Detection and  
Program Redirection  
–
–
–
–
–
–
–
Superset of the C67x+™ and C64x+™ ISAs  
2400/1800 C674x MIPS/MFLOPS  
Byte-Addressable (8-/16-/32-/64-Bit Data)  
8-Bit Overflow Protection  
Bit-Field Extract, Set, Clear  
Normalization, Saturation, Bit-Counting  
Compact 16-Bit Instructions  
–
–
•
•
128K-Byte RAM Shared Memory  
Two External Memory Interfaces:  
•
•
•
C674x Two Level Cache Memory Architecture  
–
EMIFA  
–
–
–
–
–
32K-Byte L1P Program RAM/Cache  
32K-Byte L1D Data RAM/Cache  
256K-Byte L2 Unified Mapped RAM/Cache  
Flexible RAM/Cache Partition (L1 and L2)  
1024K-Byte L2 ROM  
•
•
•
NOR (8-/16-Bit-Wide Data)  
NAND (8-/16-Bit-Wide Data)  
16-Bit SDRAM With 128MB Address  
Space  
–
EMIFB  
32-Bit or 16-Bit SDRAM With 256MB  
Address Space  
Three Configurable 16550 type UART Modules:  
Enhanced Direct-Memory-Access Controller 3  
(EDMA3):  
•
–
–
–
–
2 Transfer Controllers  
32 Independent DMA Channels  
8 Quick DMA Channels  
•
–
–
–
UART0 With Modem Control Signals  
16-byte FIFO  
16x or 13x Oversampling Option  
Programmable Transfer Burst Size  
TMS320C674x™ Floating Point VLIW DSP Core  
•
•
LCD Controller  
–
Load-Store Architecture With Non-Aligned  
Support  
Two Serial Peripheral Interfaces (SPI) Each  
With One Chip-Select  
–
–
64 General-Purpose Registers (32 Bit)  
Six ALU (32-/40-Bit) Functional Units  
•
•
•
•
Multimedia Card (MMC)/Secure Digital (SD)  
Card Interface with Secure Data I/O (SDIO)  
Two Master/Slave Inter-Integrated Circuit (I2C  
Bus™)  
•
•
•
Supports 32-Bit Integer, SP (IEEE Single  
Precision/32-Bit) and DP (IEEE Double  
Precision/64-Bit) Floating Point  
Supports up to Four SP Additions Per  
Clock, Four DP Additions Every 2  
Clocks  
Supports up to Two Floating Point (SP  
or DP) Approximate Reciprocal or  
Square Root Operations Per Cycle  
USB 1.1 OHCI (Host) With Integrated PHY  
(USB1)  
USB 2.0 OTG Port With Integrated PHY (USB0)  
–
–
–
USB 2.0 High-/Full-Speed Client  
USB 2.0 High-/Full-/Low-Speed Host  
End Point 0 (Control)  
–
Two Multiply Functional Units  
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.  
C674x, TMS320C6000, C6000 are trademarks of Texas Instruments.  
All other trademarks are the property of their respective owners.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2008–2008, Texas Instruments Incorporated  
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TMS320C6745 替代型号

型号 品牌 替代类型 描述 数据表
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