TMS320C6748BZCEA3

Digital Signal Processor Dsp Overview

The TMS320C6748BZCEA3 is a fixed- and floating-point digital signal processor from Texas Instruments, featuring a C674x VLIW DSP core operating at frequencies up to 456 MHz. It delivers up to 3648 MIPS and 2746 MFLOPS performance. The device integrates a two-level cache architecture comprising 32KB L1P, 32KB L1D, and 256KB L2 memory, alongside an Enhanced Direct Memory Access Controller 3 (EDMA3) with 64 independent channels. Key peripherals include a 10/100 Mbps Ethernet MAC, USB 2.0 OTG, SATA controller, and multiple serial interfaces such as UART, SPI, I2C, McBSP, and McASP.

Digital Signal Processor Dsp Feature Summary

• C674x Fixed- and Floating-Point VLIW DSP Core: Supports up to 456 MHz operation with mixed-precision IEEE floating-point multiply capabilities.
• Memory Architecture: Includes 32KB L1P, 32KB L1D, and 256KB L2 unified mapped RAM/cache, plus 128KB shared RAM accessible by other hosts.
• Enhanced EDMA3 Controller: Features 64 independent DMA channels and 16 quick DMA channels for high-throughput data transfers.
• Comprehensive Peripheral Set: Integrates EMAC, USB 2.0 OTG, SATA, uPP, VPIF, PRU subsystem, and multiple audio/serial interfaces.

Digital Signal Processor Dsp Applications

• Currency Inspection
• Biometric Identification
• Machine Vision (Low-End)

Digital Signal Processor Dsp Procurement Notes

Verify the ordering suffix 'BZCEA3' against the manufacturer's current datasheet to confirm package dimensions, ball pitch, and temperature range specifications. Ensure compatibility with required voltage levels (1.8-V or 3.3-V LVCMOS I/Os) and power supply configurations during system design.

Digital Signal Processor Dsp Selection Notes

Select this component for applications requiring high-performance DSP processing with integrated connectivity options like Ethernet and SATA. Consider the 361-ball PBGA package constraints and thermal management requirements associated with the ZCE package variant when designing the PCB layout.

Digital Signal Processor Dsp Part Context

This part belongs to the TMS320C6000 platform, specifically the C674x family. It combines the performance of the C64x+ core with the floating-point capabilities of the C67x+ core. The device is designed for low-power applications while maintaining robust operating system support and rich user interface capabilities.

Digital Signal Processor Dsp Replacement Considerations

Check for code compatibility with other C6000 series devices. Verify pinout and peripheral availability differences if substituting with other C6748 variants or related DSP models.

Digital Signal Processor Dsp FAQ

What is the maximum operating frequency of the C674x DSP core?

The C674x DSP core operates at frequencies up to 456 MHz, depending on the specific voltage configuration.

Does the TMS320C6748 support secure boot?

Yes, it supports TI’s Basic Secure Boot using SHA-1 or SHA-256 for validation and AES-128 for encryption to protect intellectual property.

What types of external memory interfaces are available?

The device features two external memory interfaces: EMIFA for asynchronous/SDRAM/NOR/NAND memories and a DDR2/Mobile DDR Memory Controller.