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, providing high operational flexibility and speed. 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 TMS320VC5402 is designed to support simultaneous access to program instructions and data, enabling powerful arithmetic, logic, and bit-manipulation operations in a single machine cycle.
Key Specifications
| Specification | Description |
|---|---|
| Processor Architecture | Advanced modified Harvard architecture |
| Memory | 16K x 16-Bit Dual-Access On-Chip RAM |
| Instruction Execution Time | 10-ns single-cycle fixed-point instruction execution time (100 MIPS) for 3.3-V power supply (1.8-V core) |
| On-Chip Peripherals | Software-programmable wait-state generator, programmable bank switching, on-chip phase-locked loop (PLL) clock generator, 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 |
| Power Consumption Control | 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) |
| Clock Source | Internal oscillator or external clock source |
| Boundary Scan Logic | IEEE Std 1149.1 (JTAG) boundary scan logic |
Key Features
- 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 and two- or three-operand reads
- Arithmetic instructions with parallel store and parallel load
- Conditional store instructions and fast return from interrupt
- CLKOUT off control to disable CLKOUT
- On-chip scan-based emulation logic
- Power consumption control with IDLE1, IDLE2, and IDLE3 instructions
Applications
The TMS320VC5402 is suitable for a variety of applications requiring high-performance digital signal processing, such as:
- Audio and video processing
- Telecommunications and networking equipment
- Industrial control and automation systems
- Medical imaging and diagnostic equipment
- Aerospace and defense systems
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.
- How much on-chip RAM does the TMS320VC5402 have?
The TMS320VC5402 has 16K x 16-Bit Dual-Access On-Chip RAM.
- What is the instruction execution time of the TMS320VC5402?
The instruction execution time is 10-ns for single-cycle fixed-point instructions, achieving 100 MIPS for a 3.3-V power supply (1.8-V core).
- What on-chip peripherals are available on the TMS320VC5402?
The processor includes a software-programmable wait-state generator, programmable bank switching, on-chip PLL clock generator, two McBSPs, enhanced HPI8, two 16-bit timers, and a six-channel DMA controller.
- How does the TMS320VC5402 manage power consumption?
The processor features IDLE1, IDLE2, and IDLE3 instructions with power-down modes to control power consumption.
- 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).
- Can the TMS320VC5402 use an external clock source?
Yes, the TMS320VC5402 can be operated with an external clock source, provided the proper voltage levels are driven on the X2/CLKIN pin.
- Does the TMS320VC5402 support boundary scan logic?
Yes, it supports IEEE Std 1149.1 (JTAG) boundary scan logic.
- What are some typical applications of the TMS320VC5402?
The TMS320VC5402 is used in audio and video processing, telecommunications, industrial control, medical imaging, and aerospace and defense systems.
- How does the TMS320VC5402 handle interrupts?
The processor features fast return from interrupt and includes multiple interrupt inputs (INT0-INT3).
