Overview
The TMS320LC542PBK1-50 is a fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C54x and TMS320LC54x families. This processor is based on an advanced modified Harvard architecture, featuring one program memory bus and three data memory buses. It is designed to provide high operational flexibility and speed through its highly specialized instruction set and parallel processing capabilities.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Execution Time | 25 ns (40 MIPS) for 5-V power supply, 20-25 ns (50-40 MIPS) for 3.3-V power supply |
| Package Type | 144-Pin Plastic Low-Profile Quad Flatpack (LQFP) |
| Power Supply | DVDD for I/O pins, CVDD for core CPU, VSS for ground |
| Memory Buses | One program memory bus and three data memory buses |
| On-Chip Peripherals | Buffered Serial Port (BSP), 8-Bit Parallel Host-Port Interface (HPI), One 16-Bit Timer, IEEE Std 1149.1 (JTAG) Boundary Scan Logic |
| Instruction Set | Highly specialized with parallel store and application-specific instructions |
Key Features
- Advanced modified Harvard architecture with separate program and data spaces, allowing simultaneous access to program instructions and data
- High degree of parallelism with the ability to perform two read operations and one write operation in a single cycle
- Arithmetic Logic Unit (ALU) with a high degree of parallelism and application-specific hardware logic
- On-chip memory and additional on-chip peripherals such as BSP, HPI, and a 16-Bit Timer
- Power consumption control with IDLE1, IDLE2, and IDLE3 instructions and power-down modes
- CLKOUT off control to disable CLKOUT and external-input/output (XIO) off control to disable the external data bus, address bus, and control signals
Applications
The TMS320LC542PBK1-50 is suitable for a variety of digital signal processing applications, including but not limited to:
- Audio and speech processing
- Image and video processing
- Telecommunications and wireless communications
- Industrial control and automation
- Medical imaging and diagnostics
Q & A
- What is the TMS320LC542PBK1-50? The TMS320LC542PBK1-50 is a fixed-point digital signal processor from Texas Instruments.
- What architecture does it use? It uses an advanced modified Harvard architecture.
- What is the instruction execution time? 25 ns (40 MIPS) for 5-V power supply, 20-25 ns (50-40 MIPS) for 3.3-V power supply.
- What type of package does it come in? 144-Pin Plastic Low-Profile Quad Flatpack (LQFP).
- What are the key on-chip peripherals? Buffered Serial Port (BSP), 8-Bit Parallel Host-Port Interface (HPI), One 16-Bit Timer, IEEE Std 1149.1 (JTAG) Boundary Scan Logic.
- What power supply configurations does it have? DVDD for I/O pins, CVDD for core CPU, VSS for ground.
- What are some of its key features? High degree of parallelism, separate program and data spaces, arithmetic logic unit (ALU) with high parallelism, and application-specific hardware logic.
- What are some common applications for this DSP? Audio and speech processing, image and video processing, telecommunications and wireless communications, industrial control and automation, medical imaging and diagnostics.
- Does it support power consumption control? Yes, with IDLE1, IDLE2, and IDLE3 instructions and power-down modes.
- Is there a boundary scan logic feature? Yes, it supports IEEE Std 1149.1 (JTAG) boundary scan logic.
