DS638F2 Copyright 2010 Cirrus Logic (All Rights Reserved) 3
EP9315
Enhanced Universal Platform SOC Processor
Table of Contents
FEATURES .........................................................................................................1
OVERVIEW .........................................................................................................2
Processor Core - ARM920T ......................................................................................... 6
MaverickCrunch™ Math Engine .................................................................................. 6
MaverickKey™ Unique ID ............................................................................................ 6
General Purpose Memory Interface (SDRAM, SRAM, ROM, FLASH) ........................ 6
IDE Interface ................................................................................................................ 7
Ethernet Media Access Controller (MAC) .................................................................... 7
Serial Interfaces (SPI, I2S and AC ’97) ........................................................................ 7
Raster / LCD Interface ................................................................................................. 7
Graphics Accelerator ................................................................................................... 8
Touch Screen Interface with 12-bit Analog-to-digital Converter (ADC) ........................ 8
64-Key Keypad Interface ............................................................................................. 8
Universal Asynchronous Receiver/Transmitters (UARTs) ............................................ 9
Triple Port USB Host .................................................................................................... 9
Two-wire Interface With EEPROM Support ................................................................. 9
Real-Time Clock with Software Trim .......................................................................... 10
PLL and Clocking ....................................................................................................... 10
Timers ........................................................................................................................ 10
Interrupt Controller ..................................................................................................... 10
Dual LED Drivers ....................................................................................................... 10
General Purpose Input/Output (GPIO) ....................................................................... 10
Reset and Power Management ..................................................................................11
Hardware Debug Interface ..........................................................................................11
Internal Boot ROM ......................................................................................................11
12-channel DMA Controller .........................................................................................11
PCMCIA Interface .......................................................................................................11
Electrical Specifications .................................................................................12
Absolute Maximum Ratings ....................................................................................... 12
Recommended Operating Conditions ........................................................................ 12
DC Characteristics ..................................................................................................... 13
Timings .............................................................................................................14
Memory Interface ....................................................................................................... 15
PCMCIA Interface ...................................................................................................... 30
IDE Interface .............................................................................................................. 32
Ethernet MAC Interface ............................................................................................ 45
Audio Interface ........................................................................................................... 47
AC’97 ........................................................................................................................ 51
LCD Interface ............................................................................................................ 52
ADC ........................................................................................................................... 53
JTAG .......................................................................................................................... 54
352 Pin BGA Package Outline .......................................................................55
352-Ball PBGA Diagram ........................................................................................... 55
352 Pin BGA Pinout (Bottom View) ........................................................................... 56
Acronyms and Abbreviations ........................................................................63
Units of Measurement .....................................................................................63
ORDERING INFORMATION ............................................................................64
