TMS320C6746EZWTA3

低功耗 C674x 浮点 DSP- 456MHz 361-NFBGA -40 to 105

The TMS320C6746 fixed- and floating-point DSP is a low-power applications processor based on a C674x DSP core. This DSP provides significantly lower power than other members of the TMS320C6000™ platform of DSPs.

The device enables original-equipment manufacturers OEMs and original-design manufacturers ODMs to quickly bring to market devices with robust operating systems, rich user interfaces, and high processor performance through the maximum flexibility of a fully integrated, mixed processor solution.

The device DSP core uses a 2-level cache-based architecture. The level 1 program cache L1P is a 32-KB direct mapped cache, and the level 1 data cache L1D is a 32-KB 2-way, set-associative cache. The level 2 program cache L2P consists of a 256-KB memory space that is shared between program and data space. L2 memory can be configured as mapped memory, cache, or combinations of the two. The DSP L2 is accessible by other hosts in the system.

The peripheral set includes: a 10/100 Mbps Ethernet media access controller EMAC with a management data input/output MDIO module; one USB2.0 OTG interface; two I2C Bus interfaces; one multichannel audio serial port McASP with 16 serializers and FIFO buffers; two multichannel buffered serial ports McBSPs with FIFO buffers; two serial peripheral interfaces SPIs with multiple chip selects; four 64-bit general-purpose timers each configurable one configurable as a watchdog; a configurable 16-bit host-port interface HPI; up to 9 banks of general-purpose input/output GPIO pins, with each bank containing 16 pins with programmable interrupt and event generation modes, multiplexed with other peripherals; three UART interfaces each with RTS and CTS; two enhanced high-resolution pulse width modulator eHRPWM peripherals; three 32-bit enhanced capture eCAP module peripherals which can be configured as 3 capture inputs or 3 APWM outputs; two external memory interfaces: an asynchronous and SDRAM external memory interface EMIFA for slower memories or peripherals; and a higher speed DDR2/Mobile DDR controller.

The EMAC provides an efficient interface between the device and a network. The EMAC supports both 10Base-T and 100Base-TX, or 10 Mbps and 100 Mbps in either half- or full-duplex mode. Additionally, an MDIO interface is available for PHY configuration. The EMAC supports both MII and RMII interfaces.

The Universal Parallel Port uPP provides a high-speed interface to many types of data converters, FPGAs, or other parallel devices. The uPP supports programmable data widths between 8- to 16-bits on both channels. Single-data rate and double-data rate transfers are supported as well as START, ENABLE, and WAIT signals to provide control for a variety of data converters.

A video port interface VPIF provides a flexible video I/O port.

The rich peripheral set provides the ability to control external peripheral devices and communicate with external processors. For details on each peripheral, see the related sections in this document and the associated peripheral reference guides.

The device has a complete set of development tools for the DSP. These tools include C compilers, a DSP assembly optimizer to simplify programming and scheduling, and a Windows debugger interface for visibility into source code execution.