Overview
The TMS320VC5402, represented by the part number TMS320UC5402PGE-80, is a fixed-point digital signal processor (DSP) from Texas Instruments. This DSP is based on an advanced modified Harvard architecture, featuring one program memory bus and three data memory buses. This architecture allows for simultaneous access to program instructions and data, enabling high parallelism and efficient execution of instructions. The processor includes a robust arithmetic logic unit (ALU), application-specific hardware logic, on-chip memory, and various on-chip peripherals, making it a powerful tool for signal processing applications.
Key Specifications
| Specification | Description |
|---|---|
| Processor Type | Fixed-Point Digital Signal Processor (DSP) |
| Architecture | Advanced Modified Harvard Architecture |
| Memory | 16K x 16-Bit Dual-Access On-Chip RAM, 4K x 16-Bit On-Chip ROM |
| 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 |
| Address Generators | Two Address Generators With Eight Auxiliary Registers and Two Auxiliary Register Arithmetic Units (ARAUs) |
| On-Chip Peripherals | Software-Programmable Wait-State Generator, Programmable Bank-Switching, Two Multichannel Buffered Serial Ports (McBSPs), Enhanced 8-Bit Parallel Host-Port Interface (HPI8), Two 16-Bit Timers, Six-Channel Direct Memory Access (DMA) Controller |
| Clock Generator | On-Chip Phase-Locked Loop (PLL) Clock Generator With Internal Oscillator or External Clock Source |
| Power Consumption | IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes |
| Package Options | 144-Pin Plastic Low-Profile Quad Flatpack (LQFP) and 144-Pin Ball Grid Array (BGA) |
| Instruction Execution Time | 10-ns Single-Cycle Fixed-Point Instruction Execution Time (100 MIPS) for 3.3-V Power Supply (1.8-V Core) |
Key Features
- Advanced Multibus Architecture: Features three separate 16-bit data memory buses and one program memory bus, enabling high parallelism and efficient instruction execution.
- High-Performance ALU: Includes a 40-bit arithmetic logic unit with a 40-bit barrel shifter and two independent 40-bit accumulators.
- Efficient Multiply/Accumulate Operation: 17 × 17-bit parallel multiplier coupled to a 40-bit dedicated adder for non-pipelined single-cycle MAC operation.
- On-Chip Memory: 16K x 16-bit dual-access on-chip RAM and 4K x 16-bit on-chip ROM.
- On-Chip Peripherals: Includes software-programmable wait-state generator, programmable bank-switching, two McBSPs, enhanced 8-bit HPI8, two 16-bit timers, and a six-channel DMA controller.
- Power Management: IDLE1, IDLE2, and IDLE3 instructions with power-down modes to control power consumption.
- Clock Generator: On-chip PLL clock generator with internal oscillator or external clock source.
- Scan-Based Emulation Logic: IEEE Std 1149.1 (JTAG) boundary scan logic for testing and emulation purposes.
Applications
The TMS320VC5402 is suitable for a variety of signal processing applications, including:
- Telecommunications: Voice and data communication systems, modems, and other telecommunication equipment.
- Audio Processing: Audio codecs, echo cancellation, and other audio signal processing tasks.
- Industrial Control: Real-time control systems, motor control, and industrial automation.
- Medical Devices: Medical imaging, patient monitoring systems, and other medical equipment requiring real-time signal processing.
- Consumer Electronics: Set-top boxes, digital video recorders, and other consumer electronic devices that require advanced signal processing capabilities.
Q & A
- What is the architecture of the TMS320VC5402 DSP?
The TMS320VC5402 is based on an advanced modified Harvard architecture with one program memory bus and three data memory buses.
- What is the maximum instruction execution speed of the TMS320VC5402?
The TMS320VC5402 can execute instructions in 10-ns single-cycle fixed-point instruction execution time, achieving 100 MIPS for a 3.3-V power supply (1.8-V core).
- What types of on-chip memory does the TMS320VC5402 have?
The TMS320VC5402 includes 16K x 16-bit dual-access on-chip RAM and 4K x 16-bit on-chip ROM.
- What are the key peripherals included in the TMS320VC5402?
The key peripherals include two multichannel buffered serial ports (McBSPs), an enhanced 8-bit parallel host-port interface (HPI8), two 16-bit timers, and a six-channel direct memory access (DMA) controller.
- How does the TMS320VC5402 manage power consumption?
The TMS320VC5402 includes IDLE1, IDLE2, and IDLE3 instructions with power-down modes to control power consumption.
- What is the purpose of the on-chip PLL clock generator in the TMS320VC5402?
The on-chip PLL clock generator allows for the use of an internal oscillator or an external clock source, providing flexibility in clock management.
- What package options are available for the TMS320VC5402?
The TMS320VC5402 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 for testing?
Yes, the TMS320VC5402 includes IEEE Std 1149.1 (JTAG) boundary scan logic for testing and emulation purposes.
- What are some common applications of the TMS320VC5402?
The TMS320VC5402 is used in telecommunications, audio processing, industrial control, medical devices, and consumer electronics requiring advanced signal processing capabilities.
- Is the TMS320UC5402PGE-80 still in production?
No, the TMS320UC5402PGE-80 is no longer manufactured and is considered obsolete.
