EP9312-EBZ datasheet(3/62 Pages) CIRRUS

Part #	EP9312-EBZ

Description	Universal Platform System-on-chip Processor

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Manufacturer	CIRRUS [Cirrus Logic]

Direct Link	http://www.cirrus.com

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DS515PP7

3

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

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