Overview
The TMS320LC542PGE1-50 is a fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C54x, LC54x, and VC54x families. This processor is based on an advanced modified Harvard architecture, which includes one program memory bus and three data memory buses. This design allows for simultaneous access to program instructions and data, enhancing parallelism and operational speed. The TMS320LC542 is particularly suited for applications requiring high-performance signal processing.
Key Specifications
Parameter | Value |
---|---|
Processor Type | Fixed-Point Digital Signal Processor |
Architecture | Modified Harvard Architecture |
Instruction Execution Time | 20-ns (50 MIPS) for 3.3-V Power Supply |
Package Type | 144-pin TQFP (Thin Quad Flatpack) |
On-Chip Memory | Dual-Access On-Chip RAM, Single-Access On-Chip RAM |
On-Chip Peripherals | Time-Division Multiplexed (TDM) Serial Port, Buffered Serial Port (BSP), 8-Bit Parallel Host-Port Interface (HPI), One 16-Bit Timer |
Power Consumption Control | IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes |
Clock Generator | On-Chip Phase-Locked Loop (PLL) Clock Generator With Internal Oscillator or External Clock Source |
Scan-Based Emulation Logic | IEEE Std 1149.1 (JTAG) Boundary Scan Logic |
Key Features
- High Degree of Parallelism: Allows two reads and one write operation in a single cycle.
- Advanced Instruction Set: Includes instructions with parallel store and load, arithmetic instructions with parallel store and load, and conditional store instructions.
- On-Chip Peripherals: Includes TDM serial port, BSP, HPI, and a 16-bit timer.
- Power Management: Features IDLE1, IDLE2, and IDLE3 instructions for power-down modes.
- Clock Management: On-chip PLL clock generator with internal oscillator or external clock source.
- Emulation Logic: IEEE Std 1149.1 (JTAG) boundary scan logic for debugging and testing.
Applications
The TMS320LC542PGE1-50 is suitable for a variety of high-performance signal processing applications, including but not limited to:
- Audio and video processing
- Telecommunications and networking
- Industrial control and automation
- Medical imaging and diagnostics
- Aerospace and defense systems
Q & A
- What is the TMS320LC542PGE1-50? The TMS320LC542PGE1-50 is a fixed-point digital signal processor from Texas Instruments.
- What architecture does it use? It uses a modified Harvard architecture.
- What is the instruction execution time? 20-ns (50 MIPS) for a 3.3-V power supply.
- What type of package does it come in? 144-pin TQFP (Thin Quad Flatpack).
- What on-chip memory does it have? Dual-access on-chip RAM and single-access on-chip RAM.
- What on-chip peripherals are available? TDM serial port, BSP, HPI, and a 16-bit timer.
- How does it manage power consumption? Through IDLE1, IDLE2, and IDLE3 instructions with power-down modes.
- What clock management features does it have? On-chip PLL clock generator with internal oscillator or external clock source.
- Does it support emulation logic? Yes, it supports IEEE Std 1149.1 (JTAG) boundary scan logic.
- What are some common applications for this DSP? Audio and video processing, telecommunications, industrial control, medical imaging, and aerospace systems.
- Where can I find detailed specifications? Detailed specifications can be found in the datasheet available on the Texas Instruments website or through authorized distributors.