Texas Instruments TMS320C6727BZDHMUD

The TMS320C6727BZDHMUD is a high-performance 32-/64-bit floating-point digital signal processor (DSP) from Texas Instruments, part of the C672x series. This device is based on the enhanced C67x+ CPU, which offers significant improvements in speed, code density, and floating-point performance compared to its predecessors. The C6727B operates at frequencies up to 350 MHz, achieving a maximum performance of 2800 MIPS and 2100 MFLOPS. It is designed for demanding audio and signal processing applications, providing advanced features such as multichannel audio serial ports, a universal host-port interface, and enhanced memory systems.

• Enhanced C67x+ CPU: Compatible with the C67x CPU but offers improved speed, code density, and floating-point performance.
• High-Performance Audio Processing: Three multichannel audio serial ports (McASP) with transmit/receive clocks up to 50 MHz, supporting TDM, I2S, and similar formats.
• Universal Host-Port Interface (UHPI): Available on the C6727B, providing a 32-bit-wide data bus for high-bandwidth parallel I/O.
• Enhanced Memory System: Includes 256KB unified program/data RAM, 384KB unified program/data ROM, and a large program cache.
• External Memory Interface (EMIF): Supports SDRAM, asynchronous NOR flash, SRAM, and NAND flash.
• Real-Time Interrupt Timer (RTI) and Watchdog: Includes two 32-bit counter/prescaler pairs, input captures, and compares with automatic update capability.
• Phase-Locked Loop (PLL) and Oscillator: Flexible clock generation with software-programmable PLL and support for external clock input.
• High-Performance Crossbar Switch and dMAX: Supports deterministic I/O performance and concurrent processing of two transfer operations.

• Professional Audio: Mixers, effects boxes, audio synthesis, instrument/amp modeling, and audio conferencing.
• Audio Broadcast and Encoding: Suitable for various audio broadcasting and encoding applications.
• Emerging Audio Applications: Supports biometrics and other emerging audio-related technologies.
• General Signal Processing: Can be used in a variety of signal processing tasks beyond audio, leveraging its high-performance DSP capabilities.

1. What is the maximum operating frequency of the TMS320C6727B?

   The TMS320C6727B operates at frequencies up to 350 MHz.

2. What type of CPU does the TMS320C6727B use?

   The TMS320C6727B uses the enhanced C67x+ CPU.

3. How much on-chip memory does the TMS320C6727B have?

   The TMS320C6727B has 256KB of unified program/data RAM and 384KB of unified program/data ROM.

4. What is the purpose of the Universal Host-Port Interface (UHPI)?

   The UHPI provides a 32-bit-wide data bus for high-bandwidth parallel I/O, allowing an external host CPU to access memories on the DSP.

5. What types of external memory does the TMS320C6727B support?

   The TMS320C6727B supports SDRAM, asynchronous NOR flash, SRAM, and NAND flash.

6. What is the role of the Real-Time Interrupt Timer (RTI) and Watchdog?

   The RTI includes two 32-bit counter/prescaler pairs, input captures, and compares with automatic update capability, and an optional digital watchdog for enhanced system robustness.

7. How does the phase-locked loop (PLL) contribute to the device's functionality?

   The PLL provides flexible clock generation, allowing for software-programmable clock settings and support for external clock input.

8. What is the significance of the high-performance crossbar switch and dMAX?

   The high-performance crossbar switch and dMAX support deterministic I/O performance and concurrent processing of two transfer operations, enhancing overall system efficiency.

9. In what applications is the TMS320C6727B commonly used?

   The TMS320C6727B is commonly used in professional audio, audio broadcast, audio encoding, and other emerging audio applications.

10. What is the package type of the TMS320C6727B?

    The TMS320C6727B is available in a 256-Terminal Green PBGA (ZDH) package.