TMS320C6712D - 浮点数字信号处理器

TMS320C6712D是TI德州仪器公司的一款C6000DSP产品，TMS320C6712D是浮点数字信号处理器，本站介绍了TMS320C6712D的封装应用图解、特点和优点、功能等，并给出了与TMS320C6712D相关的TI元器件型号供参考。

TMS320C6712D - 浮点数字信号处理器 - C6000DSP - 数字信号处理器 - 德州仪器

产品描述

The TMS320C67x™ DSP (including the TMS320C6712, TMS320C6712C, TMS320C6712D devices) are members of the floating-point DSP family in the TMS320C6000. DSP platform. The C6712, C6712C, and C6712D devices are based on the high-performance, advanced very-long-instruction-word (VLIW) architecture developed by Texas Instruments (TI), making these DSPs an excellent choice for multichannel and multifunction applications.

With performance of up to 900 million floating-point operations per second (MFLOPS) at a clock rate of 150 MHz, the C6712D device is the lowest-cost DSP in the C6000™ DSP platform. The C6712D DSP possesses the operational flexibility of high-speed controllers and the numerical capability of array processors. This processor has 32 general-purpose registers of 32-bit word length and eight highly independent functional units. The eight functional units provide four floating-/fixed-point ALUs, two fixed-point ALUs, and two floating-/fixed-point multipliers. The C6712D can produce two MACs per cycle for a total of 300 MMACS.

The C6712D uses a two-level cache-based architecture and has a powerful and diverse set of peripherals. The Level 1 program cache (L1P) is a 32-Kbit direct mapped cache and the Level 1 data cache (L1D) is a 32-Kbit 2-way set-associative cache. The Level 2 memory/cache (L2) consists of a 512-Kbit memory space that is shared between program and data space. L2 memory can be configured as mapped memory, cache, or combinations of the two. The peripheral set includes two multichannel buffered serial ports (McBSPs), two general-purpose timers, and a glueless 16-bit external memory interface (EMIF) capable of interfacing to SDRAM, SBSRAM, and asynchronous peripherals. The C6712D device also includes a dedicated general-purpose input/output (GPIO) peripheral module.

The C6712D DSP also has application-specific hardware logic, on-chip memory, and additional on-chip peripherals.

The C6712D has a complete set of development tools which includes: a new C compiler, an assembly optimizer to simplify programming and scheduling, and a Windows™ debugger interface for visibility into source code execution.

产品特性

Low-Price/High-Performance Floating-Point Digital Signal Processor (DSP):
- Eight 32-Bit Instructions/Cycle
- 150-MHz Clock Rate
- 6.7-ns Instruction Cycle Time
- 900 MFLOPS
Advanced Very Long Instruction Word (VLIW) C67x™ DSP Core
- Eight Highly Independent Functional Units:
  - Four ALUs (Floating- and Fixed-Point)
  - Two ALUs (Fixed-Point)
  - Two Multipliers (Floating- and Fixed-Point)
- Load-Store Architecture With 32 32-Bit General-Purpose Registers
- Instruction Packing Reduces Code Size
- All Instructions Conditional
Instruction Set Features
- Hardware Support for IEEE Single-Precision and Double-Precision Instructions
- Byte-Addressable (8-, 16-, 32-Bit Data)
- 8-Bit Overflow Protection
- Saturation
- Bit-Field Extract, Set, Clear
- Bit-Counting
- Normalization
L1/L2 Memory Architecture
- 32K-Bit (4K-Byte) L1P Program Cache (Direct Mapped)
- 32K-Bit (4K-Byte) L1D Data Cache (2-Way Set-Associative)
- 512K-Bit (64K-Byte) L2 Unified Mapped RAM/Cache (Flexible Data/Program Allocation)
Device Configuration
- Boot Mode: 8- and 16-Bit ROM Boot
- Little Endian, Big Endian
Enhanced Direct-Memory-Access (EDMA) Controller (16 Independent Channels)
16-Bit External Memory Interface (EMIF)
- Glueless Interface to Asynchronous Memories: SRAM and EPROM
- Glueless Interface to Synchronous Memories: SDRAM and SBSRAM
- 256M-Byte Total Addressable External Memory Space
Two Multichannel Buffered Serial Ports (McBSPs)
- Direct Interface to T1/E1, MVIP, SCSA Framers
- ST-Bus-Switching Compatible
- Up to 256 Channels Each
- AC97-Compatible
- Serial-Peripheral-Interface (SPI) Compatible (Motorola™)
Two 32-Bit General-Purpose Timers
Flexible Software-Configurable PLL-Based Clock Generator Module
A Dedicated General-Purpose Input/Output (GPIO) Module With 5 Pins
IEEE-1149.1 (JTAG) Boundary-Scan-Compatible
272-Pin Ball Grid Array (BGA) Package (GDP and ZDP Suffix)
CMOS Technology
- 0.13-µm/6-Level Copper Metal Process
3.3-V I/Os, 1.20-V Internal

TMS320C67x and C67x are trademarks of Texas Instruments. Motorola is a trademark of Motorola, Inc. Other trademarks are the property of their respective owners. IEEE Standard 1149.1-1990 Standard-Test-Access Port and Boundary Scan Architecture. These values are compatible with existing 1.26V designs. TMS320C6000 and C6000 are trademarks of Texas Instruments. Windows is a registered trademark of the Microsoft Corporation. Throughout the remainder of this document, the TMS320C6712D shall be referred to as its individual full device part number or abbreviated as C6712D or 12D.

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