Product category: Microprocessors, Microcontrollers and DSPs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: TMS320C5404 and TMS320C5407 DSPs
Edited by the Electronicstalk Editorial Team on 16 January 2002
More ROM for DSPs
Two new programmable TMS320C54x digital signal processors from Texas Instruments incorporate seven times more on-chip read-only memory
Code compatible with all 19 devices in the TMS320C5000 DSP platform, the two new DSPs allow customers to reduce overall system cost, size and power for applications including consumer digital audio, feature phones, cellular hands-free kits, speech recognition command and control, handheld gaming, toys and advanced headsets.
This article was originally published on Electronicstalk on 16 January 2002 at 8.00am (UK)
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The TMS320C5404 DSP and TMS320C5407 DSP feature cost- and power-saving peripherals.
They are the first C54x devices to offer a hardware-based universal asynchronous receiver/transmitter (UART) to simplify interfacing to microcontrollers or wireless communication subsystems such as TI's BNS60xx/TRF6001 Bluetooth chipset.
Three high-speed multichannel buffered serial ports (McBSPs) are provided for additional serial connection to multiple codecs or telecomms interfaces which are useful in applications such as consumer 5.1 audio products or to interface directly to T1/E1 data rates.
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The devices also offer a large zero-wait-state ROM and generous zero-wait-state RAM, which greatly reduce both development and production costs for manufacturers.
The C5407 DSP delivers 120MHz of performance with 40Kword of RAM and 120Kword of ROM, providing more than seven times the amount offered by the nearest competitor.
The C5404 DSP delivers 120MHz of performance with 16Kword of RAM and 64Kword of ROM.
Both devices are available today.
In addition to the hardware UART and three McBSPs (full 128-channel), each DSP features a six-channel DMA, an 8/16bit host port interface (HPI) and 23 general-purpose input/output (GPIO) pins.
Both DSPs operate at less than 50mW of power dissipation at 120MHz with a 1.5V core and 3.3V I/O.
They also feature three power-management modes for further system power savings.
The C54x DSP generation now consists of 17 devices that are code compatible with all C5000 DSPs including upward compatibility with the new TMS320C55x DSP generation.
The C5407 DSP will be priced at $14.50 and the C5404 DSP at $8.57 in 10,000 unit quantities and are available today.
Starter kits and evaluation modules are available from Texas Instruments and licensed distributors, and foundation software can be accessed through TI's chip support library (CSL).
EXpressDSP development tools and software, including the Code Composer Studio IDE, DSP/BIOS real-time kernel and a C/C++ compiler, assembler and linker are also available now.
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