40 Copyright 2010 Cirrus Logic (All Rights Reserved) DS636F2
EP9301
Entry Level ARM9 System-on-Chip Processor
Acronyms and Abbreviations
The following tables list abbreviations and acronyms
used in this data sheet.
Units of Measurement
Term Definition
ADC Analog-to-Digital Converter
ALT Alternative
AMBA Advanced Micro-controller Bus Architecture
ATAPI ATA Packet Interface
CODEC COder / DECoder
CRC Cyclic Redundancy Check
DAC Digital-to-Analog Converter
DMA Direct-Memory Access
EEPROM Electronically Erasable Programmable Read Only Memory
EMAC Ethernet Media Access Controller
EBUS External Memory Bus
FIFO First In / First Out
FIQ Fast Interrupt Request
FLASH Flash memory
GPIO General Purpose I/O
HDLC High-level Data Link Control
I/F Interface
I
2
S
Inter-IC Sound
IC Integrated Circuit
ICE In-Circuit Emulator
IDE Integrated Drive Electronics
IEEE Institute of Electronics and Electrical Engineers
IrDA Infrared Data Association
IRQ Standard Interrupt Request
ISO International Standards Organization
JTAG Joint Test Action Group
LFSR Linear Feedback Shift Register
MII Media Independent Interface
MMU Memory Management Unit
OHCI Open Host Controller Interface
PHY Ethernet PHYsical layer interface
PIO Programmed I/O
RISC Reduced Instruction Set Computer
SDMI Secure Digital Music Initiative
SDRAM Synchronous Dynamic RAM
SPI Serial Peripheral Interface
SRAM Static Random Access Memory
STA
Station - Any device that contains an IEEE 802.11
conforming Medium Access Control (MAC) and physical
layer (PHY) interface to the wireless medium
TFT Thin Film Transistor
TLB Translation Lookaside Buffer
USB Universal Serial Bus
Symbol Unit of Measure
°C
degree Celsius
Hz Hertz = cycle per second
kbps Kilobits per second
kbyte Kilobyte
KHz KiloHertz = 1000 Hz
Mbps Megabits per second
MHz MegaHertz = 1,000 KiloHertz
μA
microAmpere = 10
-6
Ampere
μs
microsecond = 1,000 nanoseconds = 10
-6
seconds
mA
milliAmpere = 10
-3
Ampere
ms
millisecond = 1,000 microseconds = 10
-3
seconds
mW
milliWatt = 10
-3
Watts
ns
nanosecond = 10
-9
seconds
pF
picoFarad = 10
-12
Farads
VVolt
WWatt
Term Definition
DS636F2 Copyright 2010 Cirrus Logic (All Rights Reserved) 41
EP9301
Entry Level ARM9 System-on-Chip Processor
ORDERING INFORMATION
The order numbers for the device are:
EP9301-CQZ 0
°C to +70°C 208-pin LQFP Lead Free
EP9301-IQZ -40
°C to +85°C 208-pin LQFP Lead Free
EP9301 — CQZ
Product Line:
Embedded Processor
Part Number
Temperature Range:
C = Commercial
Package Type:
Q = 208 pin, Low Profile Quad Flat Pack (28 mm x 28 mm)
Note: Go to the Cirrus Logic Internet site at http://www.cirrus.com to find contact information for your local sales representative.
Z = Lead Free
Lead Material:
E = Extended Operating Version
I = Industrial Operating Version
42 Copyright 2010 Cirrus Logic (All Rights Reserved) DS636F2
EP9301
Entry Level ARM9 System-on-Chip Processor
Contacting Cirrus Logic Support
For all product questions and inquiries contact a Cirrus Logic Sales Representative.
To find one nearest you go to www.cirrus.com
IMPORTANT NOTICE
Cirrus Logic, Inc. and its subsidiaries ("Cirrus") believe that the information contained in this document is accurate and reliable. However, the information is subject to
change without notice and is provided "AS IS" without warranty of any kind (express or implied). Customers are advised to obtain the latest version of relevant information
to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the
time of order acknowledgment, including those pertaining to warranty, indemnification, and limitation of liability. No responsibility is assumed by Cirrus for the use of this
information, including use of this information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third parties. This document
is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade
secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives consent for copies to be made of the
information only for use within your organization with respect to Cirrus integrated circuits or other products of Cirrus. This consent does not extend to other copying such
as copying for general distribution, advertising or promotional purposes, or for creating any work for resale.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY
OR ENVIRONMENTAL DAMAGE ("CRITICAL APPLICATIONS"). CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR WARRANTED FOR USE IN PROD-
UCTS SURGICALLY IMPLANTED INTO THE BODY, AUTOMOTIVE SAFETY OR SECURITY DEVICES, LIFE SUPPORT PRODUCTS OR OTHER CRITICAL APPLI-
CATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK AND CIRRUS DISCLAIMS
AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PAR-
TICULAR PURPOSE, WITH REGARD TO ANY CIRRUS PRODUCT THAT IS USED IN SUCH A MANNER. IF THE CUSTOMER OR CUSTOMER'S CUSTOMER USES
OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICATIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFI-
CERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS' FEES AND COSTS, THAT
MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES.
Cirrus Logic, Cirrus, MaverickCrunch, MaverickKey, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this doc-
ument may be trademarks or service marks of their respective owners.
Microsoft and Windows are registered trademarks of Microsoft Corporation.
Microwire is a trademark of National Semiconductor Corp. National Semiconductor is a registered trademark of National Semiconductor Corp.
Texas Instruments is a registered trademark of Texas Instruments, Inc.
Motorola and SPI are registered trademarks of Motorola, Inc.
LINUX is a registered trademark of Linus Torvalds.

EP9301-IQZ

Mfr. #:
Manufacturer:
Cirrus Logic
Description:
Microprocessors - MPU IC Entry-Level ARM9 SOC Processor
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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