Overview
The TMS320LC549PGE-80 is a fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C54x family. This device is designed for high-performance digital signal processing and is particularly suited for applications in wireless communication, audio processing, and other real-time signal processing tasks. The TMS320LC549PGE-80 is known for its advanced modified Harvard architecture, which includes one program bus and three data memory buses, enhancing its operational flexibility and speed.
Key Specifications
| Specification | Value |
|---|---|
| Series | TMS320C54x |
| Type | Fixed Point |
| Interface | Host Interface, McBSP |
| Clock Rate | 80 MHz |
| Non-Volatile Memory | ROM (32 kB) |
| On-Chip RAM | 64 kB |
| Voltage - I/O | 3.30 V |
| Voltage - Core | 1.80 V |
| Operating Temperature | -40°C ~ 100°C (TC) |
| Mounting Type | Surface Mount |
| Package / Case | 144-LQFP |
Key Features
- Advanced Multibus Architecture: Includes three separate 16-bit data memory buses and one program memory bus.
- Low-Power Enhanced-Architecture Core CPU: Optimized for low power consumption.
- Arithmetic Logic Unit (ALU): 40-bit ALU with a 40-bit barrel shifter and two independent 40-bit accumulators.
- Compare, Select, and Store Unit (CSSU): For the add/compare selection of the Viterbi operator.
- Address Generators and Auxiliary Registers: Two address generators with eight auxiliary registers and two auxiliary register arithmetic units (ARAUs).
- Memory: 8192K x 16-bit program memory, 64K x 16-bit data memory, and 64K x 16-bit I/O memory space.
- On-Chip Peripherals: Includes a 16-bit timer, phase-locked loop (PLL), and time-division multiplexed (TDM) serial port.
- Serial Ports: Two buffered serial ports (BSPs) and an XDS-510 (JTAG) port.
Applications
The TMS320LC549PGE-80 is widely used in various applications requiring high-performance digital signal processing, such as:
- Wireless Communication: Baseband processing in wireless communication systems.
- Audio Processing: Audio codecs, echo cancellation, and other audio signal processing tasks.
- Industrial Control: Real-time control and monitoring in industrial automation.
- Medical Devices: Signal processing in medical imaging and diagnostic equipment.
- Aerospace and Defense: Signal processing in radar, sonar, and other military applications.
Q & A
- What is the clock rate of the TMS320LC549PGE-80?
The clock rate of the TMS320LC549PGE-80 is 80 MHz. - What type of memory does the TMS320LC549PGE-80 have?
The TMS320LC549PGE-80 has 64 kB of on-chip RAM and 32 kB of ROM. - What is the operating temperature range of the TMS320LC549PGE-80?
The operating temperature range is -40°C to 100°C. - What package type does the TMS320LC549PGE-80 use?
The TMS320LC549PGE-80 is packaged in a 144-LQFP. - Does the TMS320LC549PGE-80 support JTAG?
Yes, it supports the XDS-510 (JTAG) port. - What are the key features of the ALU in the TMS320LC549PGE-80?
The ALU is a 40-bit ALU with a 40-bit barrel shifter and two independent 40-bit accumulators. - What are some common applications of the TMS320LC549PGE-80?
Common applications include wireless communication, audio processing, industrial control, medical devices, and aerospace and defense. - How many data memory buses does the TMS320LC549PGE-80 have?
The TMS320LC549PGE-80 has three separate 16-bit data memory buses. - What is the voltage requirement for the I/O and core of the TMS320LC549PGE-80?
The I/O voltage is 3.30 V, and the core voltage is 1.80 V. - Is the TMS320LC549PGE-80 a low-power device?
Yes, it features a low-power enhanced-architecture core CPU.
