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TMS320C6748ZWT3 Datasheet(PDF) 4 Page - Texas Instruments |
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TMS320C6748ZWT3 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 254 page 1.3 Description TMS320C6748 Fixed/Floating-Point DSP SPRS590A – JUNE 2009 – REVISED AUGUST 2009 www.ti.com The device is a Low-power applications processor based on a C674x DSP core. It provides significantly lower power than other members of the TMS320C6000™ platform of DSPs. The device enables OEMs and ODMs to quickly bring to market devices featuring robust operating systems support, rich user interfaces, and high processing performance life through the maximum flexibility of a fully integrated mixed processor solution. The device DSP core uses a two-level cache-based architecture. The Level 1 program cache (L1P) is a 32KB direct mapped cache and the Level 1 data cache (L1D) is a 32KB 2-way set-associative cache. The Level 2 program cache (L2P) consists of a 256KB memory space that is shared between program and data space. L2 also has a 1024KB Boot ROM. L2 memory can be configured as mapped memory, cache, or combinations of the two. Although the DSP L2 is accessible by other hosts in the system, an additional 128KB RAM shared memory is available for use by other hosts without affecting DSP performance. The peripheral set includes: a 10/100 Mb/s Ethernet MAC (EMAC) with a Management Data Input/Output (MDIO) module; one USB2.0 OTG interface; one USB1.1 OHCI interface; two inter-integrated circuit (I2C) Bus interfaces; one multichannel audio serial port (McASP) with 16 serializers and FIFO buffers; two multichannel buffered serial ports (McBSP) with FIFO buffers; two SPI interfaces with multiple chip selects; four 64-bit general-purpose timers each configurable (one configurable as watchdog); a configurable 16-bit host port interface (HPI) ; up to 9 banks of 16 pins of general-purpose input/output (GPIO) with programmable interrupt/event generation modes, multiplexed with other peripherals; three UART interfaces (each with RTS and CTS); two enhanced high-resolution pulse width modulator (eHRPWM) peripherals; 3 32-bit enhanced capture (eCAP) module peripherals which can be configured as 3 capture inputs or 3 auxiliary pulse width modulator (APWM) outputs; and 2 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 Ethernet Media Access Controller (EMAC) provides an efficient interface between the device and a network. The EMAC supports both 10Base-T and 100Base-TX, or 10 Mbits/second (Mbps) and 100 Mbps in either half- or full-duplex mode. Additionally an Management Data Input/Output (MDIO) interface is available for PHY configuration. The EMAC supports both MII and RMII interfaces. The SATA controller provides a high-speed interface to mass data storage devices. The SATA controller supports both SATA I (1.5 Gbps) and SATA II (3.0 Gbps). 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 each of two channels. Single-date 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) is included providing a flexible video input/output port. The rich peripheral set provides the ability to control external peripheral devices and communicate with external processors. For details on each of the peripherals, see the related sections later in this document and the associated peripheral reference guides. The device has a complete set of development tools for the DSP. These include C compilers, a DSP assembly optimizer to simplify programming and scheduling, and a Windows™ debugger interface for visibility into source code execution. TMS320C6748 Fixed/Floating-Point DSP 4 Submit Documentation Feedback |
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