Overview
The TMS320LC542PGE2-50 is a fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C54x, TMS320LC54x, and TMS320VC54x families. 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 instructions. The processor includes a highly parallel arithmetic logic unit (ALU), application-specific hardware logic, on-chip memory, and various on-chip peripherals, making it suitable for a wide range of digital signal processing applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TMS320LC542PGE2-50 |
| Package Type | LQFP (PGE) |
| Number of Pins | 144 |
| Clock Rate | 50 MHz |
| Power Supply Voltage | 3.3 V |
| Maximum Addressable Memory Space | 192K × 16-Bit (64K Words Program, 64K Words Data, and 64K Words I/O) |
| On-Chip Memory | Dual-Access On-Chip RAM, Single-Access On-Chip RAM |
| Instruction Execution Time | 20 ns (50 MIPS) for 3.3-V Power Supply |
| Interfaces | Buffered Serial Port (BSP), Time-Division Multiplexed (TDM) Serial Port, 8-Bit Parallel Host-Port Interface (HPI) |
| Timers | One 16-Bit Timer |
| Power Consumption Control | IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes |
| Boundary Scan Logic | IEEE Std 1149.1 (JTAG) Boundary Scan Logic |
Key Features
- Advanced Modified Harvard Architecture: One program memory bus and three data memory buses for high parallelism.
- Arithmetic Logic Unit (ALU): 40-Bit ALU with a 40-Bit Barrel Shifter and two independent 40-Bit Accumulators.
- Multiplier and Adder: 17 × 17-Bit Parallel Multiplier coupled to a 40-Bit Dedicated Adder for non-pipelined single-cycle Multiply/Accumulate (MAC) operation.
- On-Chip Peripherals: Software-Programmable Wait-State Generator, Programmable Bank Switching, On-Chip Phase-Locked Loop (PLL) Clock Generator.
- Serial Ports: Time-Division Multiplexed (TDM) Serial Port, Buffered Serial Port (BSP).
- Host-Port Interface: 8-Bit Parallel Host-Port Interface (HPI).
- Power Management: IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes.
- Boundary Scan Logic: IEEE Std 1149.1 (JTAG) Boundary Scan Logic.
Applications
The TMS320LC542PGE2-50 is designed for various digital signal processing applications, including but not limited to:
- Audio Processing: Real-time audio processing, audio compression, and decompression.
- Image Processing: Image filtering, image compression, and other image processing tasks.
- Telecommunications: Modem implementations, echo cancellation, and other telecommunication applications.
- Industrial Control: Real-time control systems, motor control, and other industrial automation tasks.
- Medical Devices: Medical imaging, signal analysis in medical devices.
Q & A
- What is the TMS320LC542PGE2-50?
The TMS320LC542PGE2-50 is a fixed-point digital signal processor (DSP) from Texas Instruments.
- What is the architecture of the TMS320LC542PGE2-50?
It is based on an advanced modified Harvard architecture with one program memory bus and three data memory buses.
- What is the clock rate of the TMS320LC542PGE2-50?
The clock rate is 50 MHz.
- What types of serial ports does the TMS320LC542PGE2-50 support?
It supports Time-Division Multiplexed (TDM) Serial Port and Buffered Serial Port (BSP).
- Does the TMS320LC542PGE2-50 have power management features?
Yes, it includes IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes.
- What is the maximum addressable memory space of the TMS320LC542PGE2-50?
It is 192K × 16-Bit (64K Words Program, 64K Words Data, and 64K Words I/O).
- Does the TMS320LC542PGE2-50 support boundary scan logic?
Yes, it supports IEEE Std 1149.1 (JTAG) Boundary Scan Logic.
- What is the package type of the TMS320LC542PGE2-50?
The package type is LQFP (PGE) with 144 pins.
- What are some common applications of the TMS320LC542PGE2-50?
It is used in audio processing, image processing, telecommunications, industrial control, and medical devices.
- What is the instruction execution time for the TMS320LC542PGE2-50?
The instruction execution time is 20 ns (50 MIPS) for a 3.3-V power supply.
- Does the TMS320LC542PGE2-50 have on-chip peripherals?
Yes, it includes various on-chip peripherals such as timers, serial ports, and host-port interfaces.
