Overview
The TMS320C53PQ80 is a member of the TMS320C5x family of digital signal processors (DSPs) from Texas Instruments. This device is built on advanced Harvard architecture and utilizes high-performance static CMOS technology. It is designed to offer enhanced performance and versatility, making it suitable for a wide range of digital signal processing applications.
The TMS320C53PQ80 is part of the 'C5x generation, which is known for its modular architectural design, allowing for fast development of spin-off devices. It is upward-compatible with source code from earlier 'C1x and 'C2x DSPs, ensuring ease of transition and development.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | 50 ns, 35 ns, 25 ns (at 5 V); 50 ns, 40 ns, 25 ns (at 3.3 V) |
| Maximum Addressable External Memory | 224K × 16-bit (64K Program, 64K Data, 64K I/O, and 32K Global) |
| On-Chip Program ROM | 3K × 16-bit |
| On-Chip Data RAM | 16K × 16-bit |
| Power Consumption | 47 mA (2.35 mA/MIP) at 5 V, 40-MHz Clock (Average); 23 mA (1.15 mA/MIP) at 3 V, 40-MHz Clock (Average) |
| Power-Down Modes | 10 mA at 5 V, 40-MHz Clock (IDLE1 Mode); 3 mA at 5 V, 40-MHz Clock (IDLE2 Mode); 5 µA at 5 V, Clocks Off (IDLE2 Mode) |
| Package Type | 144-Pin Thin Quad Flat Package (PQ Suffix) |
| Test-Access Port | IEEE Standard 1149.1 (JTAG) |
Key Features
- Advanced Harvard Architecture: Allows for full overlap of instruction fetch and execution, enhancing speed and flexibility.
- High-Performance Static CMOS Technology: Ensures low power dissipation and high performance.
- Single-Cycle Instruction Execution: Executes instructions in a single cycle, including 16 × 16-bit multiply/add operations.
- On-Chip Peripherals and Memory: Includes on-chip program ROM, data RAM, and various peripherals like serial ports and timers.
- Power-Down Modes: Offers multiple power-down modes to reduce power consumption during idle periods.
- IEEE Standard 1149.1 Test-Access Port (JTAG): Facilitates testing and debugging of the device.
- Host Port Interface (HPI): Allows for communication with a host processor, enhancing system integration.
Applications
- Audio and Video Processing: Suitable for real-time audio and video processing, including compression and decompression.
- Telecommunications: Used in various telecommunications applications requiring high-speed signal processing.
- Industrial Control Systems: Can be employed in industrial control systems for real-time data processing and control.
- Medical Devices: Applicable in medical devices that require advanced signal processing capabilities.
- Automotive Systems: Used in automotive systems for signal processing and control applications).
Q & A
- What is the instruction cycle time of the TMS320C53PQ80?
The instruction cycle time is 50 ns, 35 ns, and 25 ns at 5 V, and 50 ns, 40 ns, and 25 ns at 3.3 V.
- How much on-chip program ROM does the TMS320C53PQ80 have?
The device has 3K × 16-bit on-chip program ROM.
- What is the maximum addressable external memory for the TMS320C53PQ80?
The maximum addressable external memory is 224K × 16-bit, divided into 64K Program, 64K Data, 64K I/O, and 32K Global memory spaces.
- What are the power consumption characteristics of the TMS320C53PQ80?
The device consumes 47 mA (2.35 mA/MIP) at 5 V and 23 mA (1.15 mA/MIP) at 3 V at a 40-MHz clock frequency. It also has power-down modes consuming 10 mA, 3 mA, and 5 µA in different idle states.
- What type of package does the TMS320C53PQ80 come in?
The device is available in a 144-Pin Thin Quad Flat Package (PQ Suffix).
- Does the TMS320C53PQ80 support JTAG for testing?
Yes, it supports the IEEE Standard 1149.1 Test-Access Port (JTAG).
- What are some common applications of the TMS320C53PQ80?
Common applications include audio and video processing, telecommunications, industrial control systems, medical devices, and automotive systems.
- Is the TMS320C53PQ80 upward-compatible with earlier DSPs?
Yes, it is upward-compatible with source code from earlier 'C1x and 'C2x DSPs.
- What is the significance of the Host Port Interface (HPI) in the TMS320C53PQ80?
The HPI allows for communication with a host processor, enhancing system integration and functionality.
- How does the TMS320C53PQ80 handle power management during idle periods?
The device offers multiple power-down modes, including IDLE1, IDLE2, and clocks off, to reduce power consumption during idle periods.
