Overview
The TMS320VC33 DSP, produced by Texas Instruments, is a 32-bit, floating-point digital signal processor manufactured using 0.18-μm four-level-metal CMOS (TImeline) technology. It is part of the TMS320C3x generation of DSPs, known for their high performance and flexibility. The TMS320VC33 is designed to execute up to 150 million floating-point operations per second (MFLOPS) and 75 million instructions per second (MIPS), making it a powerful tool for various digital signal processing applications. It features a hardware-intensive approach, implementing functions in hardware that other processors might handle through software or microcode, thereby enhancing performance and efficiency.
Key Specifications
| Specification | Description |
|---|---|
| Instruction Cycle Time | 13 ns (TMS320VC33-150), 17 ns (TMS320VC33-120) |
| Floating-Point Operations Per Second (MFLOPS) | 150 MFLOPS (TMS320VC33-150), 120 MFLOPS (TMS320VC33-120) |
| Instructions Per Second (MIPS) | 75 MIPS (TMS320VC33-150), 60 MIPS (TMS320VC33-120) |
| On-Chip Memory | 34K × 32-Bit (1.1-Mbit) Dual-Access SRAM |
| Clock Generator | x5 Phase-Locked Loop (PLL) |
| Power Consumption | < 200 mW @ 150 MFLOPS |
| Instruction Word and Addresses | 32-Bit Instruction Word, 24-Bit Addresses |
| Registers | Eight Extended-Precision Registers |
| On-Chip Peripherals | One Serial Port, Two 32-Bit Timers, DMA Coprocessor |
| Package Type | 144-Pin Low-Profile Quad Flatpack (LQFP) |
| Supply Voltages | 1.8-V (Core), 3.3-V (I/O) |
Key Features
- High-performance 32-bit CPU with 16-/32-bit integer and 32-/40-bit floating-point operations.
- Parallel multiply and ALU operations on integer or floating-point data in a single cycle.
- General-purpose register file, program cache, and dedicated Auxiliary Register Arithmetic Units (ARAUs).
- Internal dual-access memories and one DMA channel supporting concurrent I/O.
- Four internally decoded page strobes to simplify interface to I/O and memory devices.
- Boot-program loader and EDGEMODE selectable external interrupts.
- Two low-power modes and on-chip scan-based emulation logic (IEEE Std 1149.1 JTAG).
- Zero-overhead loops with single-cycle branches and conditional calls and returns.
- Interlocked instructions for multiprocessing support.
Applications
The TMS320VC33 DSP is versatile and supports a wide variety of system applications, ranging from host processor to dedicated coprocessor roles. It is particularly suited for:
- Digital signal processing in audio, image, and video applications.
- Telecommunications, including modems and other communication equipment.
- Industrial control systems and automation.
- Medical imaging and diagnostic equipment.
- Multiprocessor systems, leveraging its multiprocessor interface and interlocked instructions.
Q & A
- What is the TMS320VC33 DSP?
The TMS320VC33 is a 32-bit, floating-point digital signal processor from Texas Instruments, part of the TMS320C3x generation.
- What are the key performance metrics of the TMS320VC33?
The TMS320VC33 can execute up to 150 MFLOPS and 75 MIPS, with an instruction cycle time of 13 ns for the TMS320VC33-150 model.
- How much on-chip memory does the TMS320VC33 have?
The TMS320VC33 features 34K × 32-Bit (1.1-Mbit) dual-access SRAM.
- What type of clock generator does the TMS320VC33 use?
The TMS320VC33 uses an x5 Phase-Locked Loop (PLL) clock generator.
- What is the power consumption of the TMS320VC33?
The power consumption is less than 200 mW at 150 MFLOPS.
- What peripherals are integrated into the TMS320VC33?
The TMS320VC33 includes one serial port, two 32-bit timers, and a DMA coprocessor.
- What is the package type of the TMS320VC33?
The TMS320VC33 is packaged in a 144-pin low-profile quad flatpack (LQFP).
- What are the supply voltages for the TMS320VC33?
The supply voltages are 1.8-V for the core and 3.3-V for the I/O.
- Does the TMS320VC33 support low-power modes?
Yes, the TMS320VC33 supports two low-power modes.
- What debugging features does the TMS320VC33 offer?
The TMS320VC33 includes on-chip scan-based emulation logic (IEEE Std 1149.1 JTAG).
