Overview
The TMS320C6726B, part of the TMS320C672x series from Texas Instruments, is a high-performance 32-/64-bit floating-point digital signal processor (DSP). This device is an enhanced version of the C67x CPU, offering significant improvements in speed, code density, and floating-point performance per clock cycle. The C6726B operates at frequencies up to 266 MHz and is designed for demanding audio and signal processing applications.
Key Specifications
| Feature | Specification |
|---|---|
| CPU Type | Enhanced C67x+ CPU |
| Operating Frequency | Up to 266 MHz |
| Performance | Up to 2100 MFLOPS, 2800 MIPS (at 350 MHz for the series) |
| On-Chip Memory | 256 KB RAM, 384 KB ROM |
| External Memory Interface (EMIF) | 16-bit wide, supports SDRAM, asynchronous NOR Flash, SRAM, and NAND Flash |
| Program Cache | 32 KB |
| Package Type | 144-pin HTQFP (RFP) |
| Operating Temperature Range | -40°C to 105°C |
| Core Voltage | 1.2 V |
| I/O Voltage | 3.3 V |
Key Features
- Enhanced C67x+ CPU: Compatible with the C67x CPU but offers improved speed, code density, and floating-point performance.
- Multichannel Audio Serial Ports (McASP): Supports TDM, I2S, and similar formats with up to 16 serial data pins.
- Serial Peripheral Interface Ports (SPI): Two SPI ports with 3-, 4-, and 5-pin options for high throughput.
- Inter-Integrated Circuit Serial Ports (I2C): Two I2C ports for controlling external peripherals.
- Universal Host-Port Interface (UHPI): Available on some models, providing a 32-bit-wide data bus for high bandwidth.
- Real-Time Interrupt Timer (RTI) and Watchdog: For real-time interrupt handling and system monitoring.
- 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 (Dual Data Movement Accelerator): For efficient data movement and deterministic I/O performance.
Applications
- 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.
- Biometrics and Emerging Audio Applications: Supports advanced audio processing and biometric applications.
Q & A
- What is the maximum operating frequency of the TMS320C6726B?
The TMS320C6726B operates at frequencies up to 266 MHz.
- What type of CPU does the TMS320C6726B use?
The TMS320C6726B uses an enhanced C67x+ CPU.
- How much on-chip memory does the TMS320C6726B have?
The device has 256 KB of RAM and 384 KB of ROM.
- What types of external memory does the TMS320C6726B support?
The device supports SDRAM, asynchronous NOR Flash, SRAM, and NAND Flash.
- What is the purpose of the McASP in the TMS320C6726B?
The McASP supports multichannel audio serial ports and formats like TDM and I2S.
- Does the TMS320C6726B have I2C and SPI ports?
Yes, it includes two I2C and two SPI ports.
- What is the role of the PLL in the TMS320C6726B?
The PLL is a software-programmable phase-locked loop clock generator that provides multiple clock domains.
- What are some common applications of the TMS320C6726B?
Common applications include professional audio, audio broadcast, audio encoding, and biometrics.
- What is the operating temperature range of the TMS320C6726B?
The operating temperature range is -40°C to 105°C.
- What is the package type of the TMS320C6726B?
The device is packaged in a 144-pin HTQFP (RFP).
