EP7312-90 Datasheet, PDF (1/4 Pages) Cirrus Logic – Allows Faster than Real-Time Recording

Leading the Digital Entertainment Revolution^TM
EP7312-90
PRODUCT BULLETIN
New ARM720T 90 MHz Embedded Processor
Allows Faster than Real-Time Recording
EP7312-90 Features
ARM720T processor
ARM7TDMI CPU
8 Kbytes of four-way set-associative cache
MMU with 64-entry TLB (translation look-
aside buffer)
Write buffer
Thumb code support enabled
90 MHz & 74 MHz clock speeds
MaverickKey™ IDs for DRM
32-bit unique ID
128-bit random ID
Ultra low power
Designed for applications that require long
battery life while using standard AA/AAA
batteries or rechargeable cells
Typical power numbers
— 90 mW at 74 MHz typical
— 108 mW at 90 MHz typical
— <.03 mW in the Standby State
Actual Size
The EP7312-90 is one of the world's fastest ARM-7 embedded
processors today—with clock speeds of up to 90 MHz, it allows for
real-time MP3 encoding, as well as decoding for all major digital
music standards. The EP7312-90 also supports WMA, MP3, and
AAC playback. With faster than real-time MP3 encoding capability,
the need for a personal computer to create digital audio content is
eliminated. Now, manufacturers can easily build portable rotating
media and flash-based audio players that record and store CD/MP3
data during playback—more than ten hours of music content to be
stored on a single CD-RW disc.
The EP7312-90 delivers high performance with low power,
permitting advanced user interfaces and operating systems in
battery powered entertainment devices. A digital audio interface
(DAI) provides a glueless connection to today's most popular DACs
and ADCs, enabling scalable audio performance and price points. It
also includes our patent-pending MaverickKey™ technology, which
provides consumer Internet product manufacturers with on-chip
security utilizing specific hardware IDs, such as those assigned for
DRM or other authentication mechanisms.
Design in the EP7312-90 for a wide range of consumer
entertainment products, including portable and set-top digital audio
devices, car audio jukebox systems, as well as general-purpose
controller applications.
For more information, visit us at www.cirrus.com