DS636F2 Copyright 2010 Cirrus Logic (All Rights Reserved) 3
EP9301
Entry Level ARM9 System-on-Chip Processor
Table of Contents
FEATURES .........................................................................................................1
OVERVIEW .........................................................................................................2
Processor Core - ARM920T ......................................................................................... 6
MaverickKey™ Unique ID ............................................................................................ 6
General Purpose Memory Interface (SDRAM, SRAM, ROM, FLASH) ........................ 6
Ethernet Media Access Controller (MAC) .................................................................... 7
Serial Interfaces (SPI, I2S, and AC ’97) ....................................................................... 7
12-bit Analog-to-digital Converter (ADC) ..................................................................... 7
Universal Asynchronous Receiver/Transmitters (UARTs) ............................................ 8
Dual Port USB Host ..................................................................................................... 8
Two-Wire Interface With EEPROM Support ................................................................ 8
Real-Time Clock with Software Trim ............................................................................ 8
PLL and Clocking ......................................................................................................... 9
Timers .......................................................................................................................... 9
Interrupt Controller ....................................................................................................... 9
Dual LED Drivers ......................................................................................................... 9
General Purpose Input/Output (GPIO) ......................................................................... 9
Reset and Power Management ................................................................................. 10
Hardware Debug Interface ......................................................................................... 10
12-Channel DMA Controller ....................................................................................... 10
Internal Boot ROM ..................................................................................................... 10
Electrical Specifications .................................................................................11
Absolute Maximum Ratings ........................................................................................11
Recommended Operating Conditions .........................................................................11
DC Characteristics ..................................................................................................... 12
Timings .............................................................................................................13
Memory Interface ....................................................................................................... 14
Ethernet MAC Interface ............................................................................................ 27
Audio Interface ........................................................................................................... 29
AC’97 ........................................................................................................................ 32
ADC ........................................................................................................................... 33
JTAG .......................................................................................................................... 34
208 Pin LQFP Package Outline .....................................................................35
208 Pin LQFP Pinout ................................................................................................. 36
Acronyms and Abbreviations ........................................................................40
Units of Measurement .....................................................................................40
ORDERING INFORMATION ............................................................................41
