Product category:
Communications ICs (Wired)
News Release from: Sequoia Technology | Subject: Cirrus Logic CS89712
Edited by the Electronicstalk Editorial
Team on 21 March 2001
Processor to boost Internet comms
devices
Sequoia is introducing a new low-power high-performance Crystal communications processor for use in the next generation of high-speed Internet communications devices.
Sequoia is introducing a new low-power high-performance feature-rich Crystal communications processor for use in the next generation of high speed Internet communications devices such as cable modems, ADSL modems, cable set-top boxes and VoIP telephones The CS89712 from Cirrus Logic is an integrated network enabled system-on-a-chip and the industry's first device to combine a low-power high-performance 74MHz ARM720TDMI CPU core with 10Mbit/s Ethernet connectivity
This article was originally published on Electronicstalk on 5 Jun 2001 at 8.00am (UK)
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The CS89712 provides a complete communications system by incorporating a number of system peripherals, such as SDRAM/Flash/SRAM/ROM controllers, LCD controller, 10Mbit/s Ethernet MAC and PHY and a memory management unit (MMU).
This also minimises the need for external logic devices, enabling designers to simplify designs and reduce the total system cost of Internet communications systems.
In addition, the integrated MMU, 8Kbit of cache and 48Kbit of SRAM make the CS89712 ideal for designers wishing to incorporate open source operating systems, such as Linux.
Power critical embedded designs will benefit from power savings achieved using dynamically programmable clock speeds of 18, 36, 49 and 74MHz and a power management feature, incorporating idle, snooze and standby modes, also contributes towards ultra-low-power operation of 2.5V.
Further support tools, such as embedded in-circuit emulation along with silicon debug support via a JTAG port, also assist with product design.
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