Overview
The TMS320VC5420PGE200 is a fixed-point digital signal processor (DSP) from Texas Instruments, designed for high-performance applications. This dual CPU device is based on an advanced, modified Harvard architecture, featuring one program memory bus and three data memory buses. Each subsystem CPU supports simultaneous access to program instructions and data, enabling high degrees of parallelism and efficient execution of arithmetic, logic, and bit-manipulation operations.
The processor is part of the TMS320C54x family and is particularly suited for applications requiring robust signal processing capabilities, such as telecommunications, audio processing, and other real-time signal processing tasks.
Key Specifications
| Specification | Details |
|---|---|
| Processor Type | Fixed-Point Digital Signal Processor (DSP) |
| Architecture | Advanced Modified Harvard Architecture |
| Number of CPUs | Dual CPU |
| Program Memory | 256K × 16-Bit Extended Program Address Space |
| On-Chip RAM | Total of 192K × 16 Dual- and Single-Access On-Chip RAM |
| Instruction Execution Time | 10-ns Single-Cycle Fixed-Point Instruction Execution (100 MIPS per CPU) |
| Power Supplies | Dual 1.8-V (Core) and 3.3-V (I/O) |
| Package Options | 144-Pin Low-Profile Quad Flatpack (LQFP) and 144-Pin Ball Grid Array (BGA) |
| Temperature Range | Commercial: 0°C to 100°C, Industrial: -40°C to 100°C |
| On-Chip Peripherals | Two 16-Bit Timers, Six-Channel DMA Controller, Two McBSPs, 8/16-Bit HPI, UART with Baud Rate Generator |
| Clock Generator | On-Chip Programmable Phase-Locked Loop (PLL) Clock Generator |
Key Features
- High Performance: Capable of up to 200-MIPS performance with dual CPU architecture.
- Advanced Architecture: Modified Harvard architecture with one program memory bus and three data memory buses, allowing for simultaneous access to program instructions and data.
- Parallelism: Supports two read operations and one write operation in a single cycle, enhancing parallelism and efficiency.
- On-Chip Memory and Peripherals: Includes on-chip RAM, timers, DMA controller, McBSPs, HPI, and UART, reducing the need for external components.
- Power Management: Features IDLE1, IDLE2, and IDLE3 instructions for power-down modes and CLKOUT off control to manage power consumption.
- Programmable PLL Clock Generator: Allows for flexible clocking options using an external TTL oscillator.
- Software-Programmable Wait-State Generator: Supports up to 14 wait states for external memory access.
- Scan-Based Emulation Logic: Includes IEEE Std 1149.1 (JTAG) boundary scan logic for debugging and testing.
Applications
- Telecommunications: Ideal for client-side telephony, data modems, and other telecommunication applications requiring robust signal processing.
- Audio Processing: Suitable for real-time audio processing tasks such as echo cancellation, voice compression, and noise reduction.
- Real-Time Systems: Used in various real-time systems that require high-speed signal processing, such as control systems, medical devices, and industrial automation.
- Embedded Systems: Commonly used in embedded systems that demand high performance and low power consumption.
Q & A
- What is the TMS320VC5420PGE200 processor based on?
The TMS320VC5420PGE200 is based on an advanced modified Harvard architecture with dual CPU design.
- What is the maximum program memory address space of the TMS320VC5420PGE200?
The maximum program memory address space is 256K × 16-Bit.
- How much on-chip RAM does the TMS320VC5420PGE200 have?
The processor has a total of 192K × 16 Dual- and Single-Access On-Chip RAM.
- What is the instruction execution time of the TMS320VC5420PGE200?
The instruction execution time is 10-ns for single-cycle fixed-point instructions.
- What are the power supply voltages for the TMS320VC5420PGE200?
The processor uses dual 1.8-V (Core) and 3.3-V (I/O) power supplies.
- What package options are available for the TMS320VC5420PGE200?
The processor is available in 144-Pin Low-Profile Quad Flatpack (LQFP) and 144-Pin Ball Grid Array (BGA) packages.
- What temperature ranges are supported by the TMS320VC5420PGE200?
The commercial version supports 0°C to 100°C, and the industrial version supports -40°C to 100°C.
- What on-chip peripherals does the TMS320VC5420PGE200 include?
The processor includes two 16-Bit Timers, a Six-Channel DMA Controller, two McBSPs, an 8/16-Bit HPI, and a UART with an integrated Baud Rate Generator.
- Does the TMS320VC5420PGE200 support power management features?
Yes, it includes IDLE1, IDLE2, and IDLE3 instructions for power-down modes and CLKOUT off control.
- Is the TMS320VC5420PGE200 suitable for real-time systems?
Yes, it is highly suitable for real-time systems due to its high performance and low latency.
