Overview
The TMS320VC5409AGGU16 is a fixed-point digital signal processor (DSP) from Texas Instruments, based on an advanced modified Harvard architecture. This processor is designed to provide high operational flexibility and speed through its highly specialized instruction set. It features an arithmetic logic unit (ALU) with a high degree of parallelism, application-specific hardware logic, on-chip memory, and various on-chip peripherals. The architecture allows for simultaneous access to program instructions and data, enabling two read operations and one write operation in a single cycle, which supports powerful arithmetic, logic, and bit-manipulation operations.
Key Specifications
| Specification | Detail |
|---|---|
| Processor Type | Fixed-Point Digital Signal Processor (DSP) |
| Architecture | Advanced Modified Harvard Architecture |
| ALU | 40-Bit Arithmetic Logic Unit (ALU) with 40-Bit Barrel Shifter and Two Independent 40-Bit Accumulators |
| Multiplier | 17- × 17-Bit Parallel Multiplier Coupled to a 40-Bit Dedicated Adder for Non-Pipelined Single-Cycle Multiply/Accumulate (MAC) Operation |
| On-Chip Memory | 32K x 16-Bit On-Chip RAM (Four Blocks of 8K x 16-Bit On-Chip Dual-Access Program/Data RAM) and 16K x 16-Bit On-Chip ROM |
| Addressing Mode | Extended Addressing Mode for 8M x 16-Bit Maximum Addressable External Program Space |
| Peripherals | One 16-Bit Timer, Six-Channel Direct Memory Access (DMA) Controller, Three Multichannel Buffered Serial Ports (McBSPs), 8/16-Bit Enhanced Parallel Host-Port Interface (HPI8/16) |
| Clock Generator | On-Chip Programmable Phase-Locked Loop (PLL) Clock Generator With Internal Oscillator or External Clock Source |
| Power Supply | 3.3-V I/O Supply Voltage, 1.6-V Core Supply Voltage (160 MIPS), 1.5-V Core Supply Voltage (120 MIPS) |
| Package | 144-Pin Ball Grid Array (BGA) - GGU Suffix |
| Performance | 6.25-ns Single-Cycle Fixed-Point Instruction Execution Time (160 MIPS), 8.33-ns Single-Cycle Fixed-Point Instruction Execution Time (120 MIPS) |
Key Features
- Advanced Multibus Architecture With Three Separate 16-Bit Data Memory Buses and One Program Memory Bus
- 40-Bit Arithmetic Logic Unit (ALU) Including a 40-Bit Barrel Shifter and Two Independent 40-Bit Accumulators
- Compare, Select, and Store Unit (CSSU) for the Add/Compare Selection of the Viterbi Operator
- Exponent Encoder to Compute an Exponent Value of a 40-Bit Accumulator Value in a Single Cycle
- Two Address Generators With Eight Auxiliary Registers and Two Auxiliary Register Arithmetic Units (ARAUs)
- Data Bus With a Bus Holder Feature
- Enhanced External Parallel Interface (XIO2)
- Single-Instruction-Repeat and Block-Repeat Operations for Program Code
- Block-Memory-Move Instructions for Better Program and Data Management
- Instructions With a 32-Bit Long Word Operand and Two- or Three-Operand Reads
- Arithmetic Instructions With Parallel Store and Parallel Load
- Conditional Store Instructions and Fast Return From Interrupt
- Power Consumption Control With IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes
- On-Chip Scan-Based Emulation Logic, IEEE Std 1149.1 (JTAG) Boundary Scan Logic
Applications
The TMS320VC5409AGGU16 is suitable for a wide range of applications that require high-performance digital signal processing, including:
- Telecommunications: For tasks such as echo cancellation, voice compression, and modem implementations.
- Audio Processing: For applications like audio compression, equalization, and effects processing.
- Image Processing: For image compression, filtering, and other image processing tasks.
- Industrial Control: For control systems that require real-time signal processing.
- Medical Devices: For medical imaging, signal analysis, and other medical applications.
- Aerospace and Defense: For various signal processing tasks in military and aerospace applications.
Q & A
- What is the architecture of the TMS320VC5409AGGU16?
The TMS320VC5409AGGU16 is based on an advanced modified Harvard architecture with one program memory bus and three data memory buses.
- What is the performance of the TMS320VC5409AGGU16?
The processor executes instructions at 6.25-ns single-cycle fixed-point instruction execution time (160 MIPS) and 8.33-ns single-cycle fixed-point instruction execution time (120 MIPS).
- What kind of on-chip memory does the TMS320VC5409AGGU16 have?
The processor includes 32K x 16-Bit On-Chip RAM and 16K x 16-Bit On-Chip ROM.
- What peripherals are available on the TMS320VC5409AGGU16?
The processor features one 16-Bit Timer, a Six-Channel Direct Memory Access (DMA) Controller, three Multichannel Buffered Serial Ports (McBSPs), and an 8/16-Bit Enhanced Parallel Host-Port Interface (HPI8/16).
- What is the power supply requirement for the TMS320VC5409AGGU16?
The processor requires a 3.3-V I/O supply voltage and either a 1.6-V core supply voltage (for 160 MIPS) or a 1.5-V core supply voltage (for 120 MIPS).
- What is the package type of the TMS320VC5409AGGU16?
The processor is available in a 144-Pin Ball Grid Array (BGA) package with the GGU suffix.
- Does the TMS320VC5409AGGU16 support power-down modes?
Yes, the processor supports power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes.
- What kind of clock generator does the TMS320VC5409AGGU16 have?
The processor features an on-chip programmable phase-locked loop (PLL) clock generator with an internal oscillator or external clock source.
- Is the TMS320VC5409AGGU16 compatible with JTAG boundary scan?
Yes, the processor includes on-chip scan-based emulation logic and IEEE Std 1149.1 (JTAG) boundary scan logic.
- What are some typical applications of the TMS320VC5409AGGU16?
The processor is suitable for telecommunications, audio processing, image processing, industrial control, medical devices, and aerospace and defense applications.
