Overview
The TMS320VC5402AZWS16 is a fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C54x series. 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 arithmetic, logic, and bit-manipulation operations. The processor includes an arithmetic logic unit (ALU) with a 40-bit barrel shifter and two independent 40-bit accumulators, along with various on-chip peripherals and memory options.
Key Specifications
| Specification | Value |
|---|---|
| Processor Architecture | Modified Harvard Architecture |
| Memory Buses | One program memory bus, three data memory buses |
| ALU | 40-bit Arithmetic Logic Unit with 40-bit barrel shifter and two 40-bit accumulators |
| Instruction Execution Time | 6.25 ns (160 MIPS) |
| On-Chip RAM | 16K × 16-bit, composed of two blocks of 8K × 16-bit dual-access program/data RAM |
| On-Chip ROM | 16K × 16-bit, configured for program memory |
| Power Supply | 1.6V core supply voltage, 3.3V I/O supply voltage |
| Package Options | 144-pin Ball Grid Array (BGA), 144-pin Low-Profile Quad Flatpack (LQFP) |
| Clock Generator | On-chip programmable phase-locked loop (PLL) clock generator with internal oscillator or external clock source |
Key Features
- Advanced multibus architecture with separate program and data spaces for high parallelism.
- Arithmetic instructions with parallel store and load capabilities.
- Conditional store instructions and fast return from interrupt.
- 17 × 17-bit parallel multiplier coupled to a 40-bit dedicated adder for single-cycle multiply/accumulate (MAC) operations.
- On-chip peripherals including software-programmable wait-state generator, programmable bank-switching, bus holders, and multichannel buffered serial ports (McBSPs).
- Enhanced 8-/16-bit host-port interface (HPI8/16) and enhanced external parallel interface (XIO2).
- Two 16-bit timers and six-channel direct memory access (DMA) controller.
- Power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes.
- On-chip scan-based emulation logic, IEEE Std 1149.1 (JTAG) boundary scan logic.
Applications
The TMS320VC5402AZWS16 is suitable for a variety of digital signal processing applications, including:
- Audio and video processing systems.
- Telecommunications and wireless communication systems.
- Industrial control and automation systems.
- Medical imaging and diagnostic equipment.
- Automotive systems requiring advanced signal processing.
Q & A
- What is the architecture of the TMS320VC5402AZWS16?
The TMS320VC5402AZWS16 is based on an advanced modified Harvard architecture with one program memory bus and three data memory buses.
- What is the instruction execution time of the TMS320VC5402AZWS16?
The instruction execution time is 6.25 ns, which corresponds to 160 MIPS.
- What types of on-chip memory does the TMS320VC5402AZWS16 have?
The DSP includes 16K × 16-bit on-chip RAM and 16K × 16-bit on-chip ROM.
- What are the power supply requirements for the TMS320VC5402AZWS16?
The device requires a 1.6V core supply voltage and a 3.3V I/O supply voltage.
- What package options are available for the TMS320VC5402AZWS16?
The device is available in 144-pin Ball Grid Array (BGA) and 144-pin Low-Profile Quad Flatpack (LQFP) packages.
- Does the TMS320VC5402AZWS16 support external clock sources?
- What is the purpose of the IEEE Std 1149.1 (JTAG) boundary scan logic?
The IEEE Std 1149.1 (JTAG) boundary scan logic is for on-chip scan-based emulation and testing.
- What are some of the key on-chip peripherals of the TMS320VC5402AZWS16?
The device includes multichannel buffered serial ports (McBSPs), enhanced 8-/16-bit host-port interface (HPI8/16), and a six-channel direct memory access (DMA) controller.
- How does the TMS320VC5402AZWS16 manage power consumption?
The device features power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes.
- Is the TMS320VC5402AZWS16 still in production?
No, the TMS320VC5402AZWS16 is listed as obsolete and is no longer manufactured.
