Cirrus-logic EP7311 Manual de usuario descargar pdf (Pagina 3)

DS506F2 Copyright Cirrus Logic, Inc. 2011

EP7311

High-Performance, Low-Power System on Chip

Table of Contents

FEATURES.........................................................................................................................................................2

OVERVIEW..................................................................................................................................................................2

Processor Core - ARM720T ..................................................................................................................................6

Power Management ..............................................................................................................................................6

MaverickKey™ Unique ID .....................................................................................................................................6

Memory Interfaces .................................................................................................................................................6

Digital Audio Capability .........................................................................................................................................7

Universal Asynchronous Receiver/Transmitters (UARTs) .....................................................................................7

Multimedia Codec Port (MCP) ...............................................................................................................................7

CODEC Interface ..................................................................................................................................................8

SSI2 Interface ........................................................................................................................................................8

Synchronous Serial Interface ................................................................................................................................8

LCD Controller .......................................................................................................................................................8

Interrupt Controller ................................................................................................................................................9

Real-Time Clock ....................................................................................................................................................9

PLL and Clocking ..................................................................................................................................................9

DC-to-DC converter interface (PWM) ..................................................................................................................10

Timers .................................................................................................................................................................10

General Purpose Input/Output (GPIO) ................................................................................................................10

Hardware debug Interface ...................................................................................................................................10

Internal Boot ROM ...............................................................................................................................................10

Packaging ............................................................................................................................................................10

Pin Multiplexing ................................................................................................................................................... 11

System Design ....................................................................................................................................................12

ELECTRICAL SPECIFICATIONS ......................................................................................................13

Absolute Maximum Ratings .................................................................................................................................13

Recommended Operating Conditions .................................................................................................................13

DC Characteristics ..............................................................................................................................................13

Timings ...............................................................................................................................................15

Timing Diagram Conventions ....................................................................................................................15

Timing Conditions ......................................................................................................................................15

SDRAM Interface ................................................................................................................................................16

SDRAM Load Mode Register Cycle ..........................................................................................................17

SDRAM Burst Read Cycle .........................................................................................................................18

SDRAM Burst Write Cycle .........................................................................................................................19

SDRAM Refresh Cycle ..............................................................................................................................20

Static Memory ......................................................................................................................................................21

Static Memory Single Read Cycle .............................................................................................................22

Static Memory Single Write Cycle ..............................................................................................................23

Static Memory Burst Read Cycle ...............................................................................................................24

Static Memory Burst Write Cycle ...............................................................................................................25

SSI1 Interface ......................................................................................................................................................26

SSI2 Interface ......................................................................................................................................................27

LCD Interface ......................................................................................................................................................28

JTAG Interface ....................................................................................................................................................29

Packages ............................................................................................................................................30

256-Ball PBGA Package Characteristics ............................................................................................................30

256-Ball PBGA Package Specifications ....................................................................................................30

256-Ball PBGA Pinout (Top View) .............................................................................................................31

256-Ball PBGA Ball Listing ........................................................................................................................32

JTAG Boundary Scan Signal Ordering ................................................................................................................35

1 2 3 4 5 6 7 8 ... 41 42

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Cirrus-logic EP7311 Manual de usuario Pagina 3

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