EP9312
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
Touch Screen Interface with 12-bit Analog-to-digital Converter (ADC) ........................ 8
64-Key Keypad Interface ............................................................................................. 8
Universal Asynchronous Receiver/Transmitters (UARTs) ............................................ 8
Triple-port USB Host .................................................................................................... 9
Two-Wire Interface ....................................................................................................... 9
Real-time Clock with Software Trim ............................................................................. 9
PLL and Clocking ......................................................................................................... 9
Timers ........................................................................................................................ 10
Interrupt Controller ..................................................................................................... 10
Dual LED Drivers ....................................................................................................... 10
General Purpose Input/Output (GPIO) ....................................................................... 10
Reset and Power Management ................................................................................. 10
Hardware Debug Interface ..........................................................................................11
12-Channel DMA Controller ........................................................................................11
Internal Boot ROM ......................................................................................................11
Electrical Specifications .................................................................................12
Absolute Maximum Ratings ....................................................................................... 12
Recommended Operating Conditions ........................................................................ 12
DC Characteristics ..................................................................................................... 13
Timings .............................................................................................................14
Memory Interface ....................................................................................................... 15
IDE Interface .............................................................................................................. 30
Ethernet MAC Interface ............................................................................................ 43
Audio Interface ........................................................................................................... 45
AC’97 ........................................................................................................................ 49
LCD Interface ............................................................................................................ 50
ADC ........................................................................................................................... 51
JTAG .......................................................................................................................... 52
352 Pin BGA Package Outline .......................................................................53
352-Ball PBGA Diagram
.................................................................................. 53
352 Pin BGA Pinout (Bottom View) ........................................................................... 54
Acronyms and Abbreviations ........................................................................61
Units of Measurement .....................................................................................61
Ordering Information ......................................................................................62
DS515PP7
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