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TMS320C6745BPTPD4 产品设计参考手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DSP数字信号处理器
封装:
LQFP-176
描述:
TMS320C6745 ， TMS320C6747固定/浮点数字信号处理器 TMS320C6745,TMS320C6747 Fixed/Floating-Point Digital Signal Processor
Pictures:
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页面导航:
引脚图在P26P55P101Hot
原理图在P4P10P98P119P132P152P154P177P211
封装尺寸在P220P221
标记信息在P220P221P222
封装信息在P3P217P218P219P220P221P222
技术参数、封装参数在P60P64P65P66P67P68P69P70P71P72P73P74
应用领域在P2P227
电气规格在P63P64P65P66P67P68P69P70P71P72P73P74
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TMS320C6745BPTPD4数据手册
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SPRS377F –SEPTEMBER 2008–REVISED JUNE 2014
TMS320C6745, TMS320C6747 Fixed- and Floating-Point Digital Signal Processor
1 TMS320C6745, TMS320C6747 Fixed- and Floating-Point Digital Signal Processor
1.1 Features
1
Bit Multiplies, Four 16 x 16-Bit Multiplies, or
• Software Support
Eight 8 x 8-Bit Multiplies per Clock Cycle,
– TI DSP/BIOS™
and Complex Multiples
– Chip Support Library and DSP Library
– Instruction Packing Reduces Code Size
• 375- and 456-MHz TMS320C674x VLIW DSP
– All Instructions Conditional
• C674x Instruction Set Features
– Hardware Support for Modulo Loop
– Superset of the C67x+ and C64x+ ISAs
Operation
– Up to 3648 MIPS and 2736 MFLOPS C674x
– Protected Mode Operation
– Byte-Addressable (8-, 16-, 32-, and 64-Bit Data)
– Exceptions Support for Error Detection and
– 8-Bit Overflow Protection
Program Redirection
– Bit-Field Extract, Set, Clear
• 128KB of RAM Shared Memory (TMS320C6747
– Normalization, Saturation, Bit-Counting
Only)
– Compact 16-Bit Instructions
• 3.3-V LVCMOS I/Os (Except for USB Interfaces)
• C674x Two-Level Cache Memory Architecture
• Two External Memory Interfaces:
– 32KB of L1P Program RAM/Cache
– EMIFA
– 32KB of L1D Data RAM/Cache
• NOR (8- or 16-Bit-Wide Data)
– 256KB of L2 Unified Mapped RAM/Cache
• NAND (8- or 16-Bit-Wide Data)
– Flexible RAM/Cache Partition (L1 and L2)
• 16-Bit SDRAM with 128-MB Address Space
• Enhanced Direct Memory Access Controller 3
(TMS320C6747 Only)
(EDMA3):
– EMIFB
– 2 Transfer Controllers
• 32-Bit or 16-Bit SDRAM with 256-MB
– 32 Independent DMA Channels
Address Space (TMS320C6747)
– 8 Quick DMA Channels
• 16-Bit SDRAM with 128-MB Address Space
(TMS320C6745)
– Programmable Transfer Burst Size
• Three Configurable 16550-Type UART Modules:
• TMS320C674x Fixed- and Floating-Point VLIW
DSP Core
– UART0 with Modem Control Signals
– Load-Store Architecture with Nonaligned
– Autoflow Control Signals (CTS, RTS) on UART0
Support
Only
– 64 General-Purpose Registers (32-Bit)
– 16-Byte FIFO
– Six ALU (32- and 40-Bit) Functional Units
– 16x or 13x Oversampling Option
• Supports 32-Bit Integer, SP (IEEE Single
• LCD Controller (TMS320C6747 Only)
Precision/32-Bit) and DP (IEEE Double
• Two Serial Peripheral Interfaces (SPIs) Each with
Precision/64-Bit) Floating Point
One Chip Select
• Supports up to Four SP Additions Per Clock,
• Multimedia Card (MMC)/Secure Digital (SD) Card
Four DP Additions Every 2 Clocks
Interface with Secure Data I/O (SDIO)
• Supports up to Two Floating-Point (SP or
• Two Master and Slave Inter-Integrated Circuit (I
2
C
DP) Reciprocal Approximation (RCPxP) and
Bus™)
Square-Root Reciprocal Approximation
• One Host-Port Interface (HPI) with 16-Bit-Wide
(RSQRxP) Operations Per Cycle
Muxed Address/Data Bus for High Bandwidth
– Two Multiply Functional Units
(TMS320C6747 Only)
• Mixed-Precision IEEE Floating Point Multiply
• Programmable Real-Time Unit Subsystem
Supported up to:
(PRUSS)
– 2 SP x SP -> SP Per Clock
– Two Independent Programmable Realtime Unit
– 2 SP x SP -> DP Every Two Clocks
(PRU) Cores
– 2 SP x DP -> DP Every Three Clocks
• 32-Bit Load and Store RISC Architecture
– 2 DP x DP -> DP Every Four Clocks
• 4KB of Instruction RAM per Core
• Fixed-Point Multiply Supports Two 32 x 32-
• 512 Bytes of Data RAM per Core
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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