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EP9312-EB Datasheet(PDF) 2 Page - Cirrus Logic |
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EP9312-EB Datasheet(HTML) 2 Page - Cirrus Logic |
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2 / 62 page  2 ©Copyright 2005 Cirrus Logic (All Rights Reserved) DS515PP7 EP9312 Universal Platform SOC Processor The EP9312 is an ARM920T-based system-on-a-chip design with a large peripheral set targeted to a variety of applications: • Thin client computers for business and home • Internet radio • Internet access devices • Industrial computers • Specialized terminals • Point of sale terminals • Test and measurement equipment The ARM920T microprocessor core with separate 16- kbyte, 64-way set-associative instruction and data caches is augmented by the MaverickCrunch™ co- processor enabling high-speed floating point calculations. MaverickKey™ unique hardware programmed IDs are a solution to the growing concern over secure web content and commerce. With Internet security playing an important role in the delivery of digital media such as books or music, traditional software methods are quickly becoming unreliable. The MaverickKey unique IDs provide OEMs with a method of utilizing specific hardware IDs such as those assigned for SDMI (Secure Digital Music Initiative) or any other authentication mechanism. A high-performance 1/10/100 Mbps Ethernet media access Controller (EMAC) is included along with external interfaces to SPI, I2S audio, Raster/LCD, IDE storage peripherals, keypad, and touchscreen. A three-port USB 2.0 Full-speed Host (OHCI) (12 Mbits per second) and three UARTs are included as well. The EP9312 is a high-performance, low-power, RISC- based, single-chip computer built around an ARM920T microprocessor core with a maximum operating clock rate of 200 MHz (184 MHz for industrial conditions). The ARM core operates from a 1.8 V supply, while the I/O operates at 3.3 V with power usage between 100 mW and 750 mW (dependent on speed). OVERVIEW Table A. Change History Revision Date Changes 1 March 2001 Initial Release. 2 June 2001 Upgrade to revision B silicon. 3 August 2001 Upgrade to revision C silicon. 4 May 2003 Upgrade to revision D silicon. 5 December 2003 Update timing data. 6 July 2004 Update AC data. Add ADC data. 7 Febuary 2005 Update with most-current characterization data. |
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