EP9307-ERZ datasheet(2/48 Pages) CIRRUS

Part #	EP9307-ERZ

Description	ARM9 SOC WITH ETHERNET USB DISPLAY AND TOUCHSCREEN

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Manufacturer	CIRRUS [Cirrus Logic]

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2

DS667PP3

EP9307

ARM9 SOC with Ethernet, USB, Display and Touchscreen

Table A. Change History

Revision

Date

Changes

1

July 2004

Initial Release.

2

August 2004

Correct error in pin out table, pages 42 & 43.

The EP9307 is an ARM920T-based system-on-a-chip

(SOC) 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 EP9307 is one of a series of ARM920T-based

devices.

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 (MAC) is included along with external

interfaces to SPI, I2S audio, Raster/LCD, 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 EP9307 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).

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