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TMS320C5514AZCH10 Datasheet(PDF) 3 Page - Texas Instruments

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Part # TMS320C5514AZCH10
Description  TMS320C5514 Fixed-Point Digital Signal Processor
Download  138 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS320C5514AZCH10 Datasheet(HTML) 3 Page - Texas Instruments

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TMS320C5514
www.ti.com
SPRS646 – JANUARY 2010
1.2
Description
The TMS320C5514 is a member of TI's TMS320C5000™ fixed-point Digital Signal Processor (DSP)
product family and is designed for low-power applications.
The TMS320C5514 fixed-point DSP is based on the TMS320C55x™ DSP generation CPU processor
core. The C55x™ DSP architecture achieves high performance and low power through increased
parallelism and total focus on power savings. The CPU supports an internal bus structure that is
composed of one program bus, one 32-bit data read bus and two 16-bit data read buses, two 16-bit data
write buses, and additional buses dedicated to peripheral and DMA activity. These buses provide the
ability to perform up to four 16-bit data reads and two 16-bit data writes in a single cycle. The
TMS320C5514 also includes four DMA controllers, each with 4 channels, providing data movements for
16-independent channel contexts without CPU intervention. Each DMA controller can perform one 32-bit
data transfer per cycle, in parallel and independent of the CPU activity.
The C55x CPU provides two multiply-accumulate (MAC) units, each capable of 17-bit x 17-bit
multiplication and a 32-bit add in a single cycle. A central 40-bit arithmetic/logic unit (ALU) is supported by
an additional 16-bit ALU. Use of the ALUs is under instruction set control, providing the ability to optimize
parallel activity and power consumption. These resources are managed in the Address Unit (AU) and Data
Unit (DU) of the C55x CPU.
The C55x CPU supports a variable byte width instruction set for improved code density. The Instruction
Unit (IU) performs 32-bit program fetches from internal or external memory and queues instructions for the
Program Unit (PU). The Program Unit decodes the instructions, directs tasks to the Address Unit (AU) and
Data Unit (DU) resources, and manages the fully protected pipeline. Predictive branching capability avoids
pipeline flushes on execution of conditional instructions.
Serial media is supported through two MultiMedia Card/Secure Digital (MMC/SD) peripherals, four Inter-IC
Sound (I2S Bus™) modules, one Serial-Port Interface (SPI) with up to 4 chip selects, one I2C
multi-master and slave interface, and a Universal Asynchronous Receiver/Transmitter (UART) interface.
The C5514 peripheral set includes an external memory interface (EMIF) that provides glueless access to
asynchronous memories like EPROM, NOR, NAND, and SRAM, as well as to high-speed, high-density
memories such as synchronous DRAM (SDRAM) and mobile SDRAM (mSDRAM). Additional peripherals
include: a high-speed Universal Serial Bus (USB2.0) device mode only, and a real-time clock (RTC). This
device also includes three general-purpose timers with one configurable as a watchdog timer, and an
analog phase-locked loop (APLL) clock generator.
Furthermore, the C5514 includes three integrated LDOs (DSP_LDO, ANA_LDO, and USB_LDO) to power
different sections of the device. The DSP_LDO can provide 1.3 V or 1.05 V to the DSP core (CVDD). To
allow for lowest power operation, the programmer can shutdown the internal DSP_LDO cutting power to
the DSP core (CVDD) while an external supply provides power to the RTC (CVDDRTC and DVDDRTC). The
ANA_LDO is designed to provide 1.3 V to the DSP PLL (VDDA_PLL) and power management circuits
(VDDA_ANA). The USB_LDO provides 1.3 V to USB core digital (USB_VDD1P3) and PHY circuits
(USB_VDDA1P3). The RTC alarm interrupt or the WAKEUP pin can re-enable the internal DSP_LDO and
re-apply power to the DSP core.
The C5514 is supported by the industry’s award-winning eXpressDSP™, Code Composer Studio™
Integrated Development Environment (IDE), DSP/BIOS™, Texas Instruments’ algorithm standard, and the
industry’s largest third-party network. Code Composer Studio IDE features code generation tools including
a C Compiler and Linker, RTDX™, XDS100™, XDS510™, XDS560™ emulation device drivers, and
evaluation modules. The C5514 is also supported by the C55x DSP Library which features more than 50
foundational software kernels (FIR filters, IIR filters, and various math functions) as well as chip support
libraries.
Copyright © 2010, Texas Instruments Incorporated
Fixed-Point Digital Signal Processor
3
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