Overview
The TMS320VC5402, produced by Texas Instruments, is a fixed-point digital signal processor (DSP) based on an advanced modified Harvard architecture. This processor features one program memory bus and three data memory buses, enabling high parallelism and simultaneous access to program instructions and data. The '5402 is designed for operational flexibility and speed, supported by a highly specialized instruction set. It includes an arithmetic logic unit (ALU) with a high degree of parallelism, application-specific hardware logic, on-chip memory, and various on-chip peripherals. The processor is particularly suited for applications requiring intense digital signal processing capabilities.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | 144-Pin Plastic Low-Profile Quad Flatpack (LQFP) or 144-Pin Ball Grid Array (BGA) |
| Pins | 144 |
| Operating Temperature Range | 0 to 85°C (typical) |
| Clock Rate | 100 MHz |
| Instruction Execution Time | 10 ns (100 MIPS) for 3.3-V Power Supply (1.8-V Core) |
| On-Chip ROM | 4K x 16-Bit |
| On-Chip RAM | 16K x 16-Bit Dual-Access |
| 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 |
| Interfaces | Two Multichannel Buffered Serial Ports (McBSPs), Enhanced 8-Bit Parallel Host-Port Interface (HPI8), Two 16-Bit Timers |
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
- 17-× 17-Bit Parallel Multiplier Coupled to a 40-Bit Dedicated Adder for Non-Pipelined Single-Cycle Multiply/Accumulate (MAC) Operation
- 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
- Extended Addressing Mode for 1M × 16-Bit Maximum Addressable External Program Space
- Single-Instruction-Repeat and Block-Repeat Operations for Program Code
- Block-Memory-Move Instructions for Efficient Program and Data Management
- Instructions With a 32-Bit Long Word Operand
- Instructions With Two- or Three-Operand Reads
- Arithmetic Instructions With Parallel Store and Parallel Load
- Conditional Store Instructions
- Fast Return From Interrupt
- On-Chip Phase-Locked Loop (PLL) Clock Generator With Internal Oscillator or External Clock Source
- Six-Channel Direct Memory Access (DMA) Controller
- Power Consumption Control With IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes
- CLKOUT Off Control to Disable CLKOUT
- On-Chip Scan-Based Emulation Logic, IEEE Std 1149.1 (JTAG) Boundary Scan Logic
Applications
The TMS320VC5402 is versatile and can be used in a variety of applications that require intense digital signal processing. These include but are not limited to:
- Audio and Video Processing
- Telecommunications and Networking
- Medical Imaging and Diagnostics
- Industrial Control Systems
- Aerospace and Defense Systems
- Automotive Systems
Q & A
- What is the TMS320VC5402?
The TMS320VC5402 is a fixed-point digital signal processor (DSP) produced by Texas Instruments, based on an advanced modified Harvard architecture. - What are the key features of the TMS320VC5402?
The key features include a 40-Bit ALU, 17-× 17-Bit parallel multiplier, CSSU, exponent encoder, two address generators, and various on-chip peripherals like McBSPs, HPI8, and timers. - What is the clock rate of the TMS320VC5402?
The clock rate is 100 MHz. - What is the instruction execution time of the TMS320VC5402?
The instruction execution time is 10 ns (100 MIPS) for a 3.3-V power supply (1.8-V core). - What types of memory are available on the TMS320VC5402?
The processor includes 4K x 16-Bit on-chip ROM and 16K x 16-Bit dual-access on-chip RAM. - What interfaces does the TMS320VC5402 support?
The processor supports two multichannel buffered serial ports (McBSPs), an enhanced 8-bit parallel host-port interface (HPI8), and two 16-bit timers. - What power management features does the TMS320VC5402 have?
The processor includes power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes. - Is the TMS320VC5402 suitable for high-temperature environments?
The operating temperature range is typically 0 to 85°C. - What packaging options are available for the TMS320VC5402?
The processor is available in a 144-pin plastic low-profile quad flatpack (LQFP) and a 144-pin ball grid array (BGA). - Does the TMS320VC5402 support JTAG boundary scan logic?
Yes, it supports on-chip scan-based emulation logic, IEEE Std 1149.1 (JTAG) boundary scan logic.
