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EP9315

Enhanced Universal Platform System-on-Chip Processor

Cirrus Logic 

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 ........................................................................................................ 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

DS638PP4

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