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Cirrus-logic EP7311 Uživatelský manuál

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Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved) MAR ‘11
DS506F2
http://www.cirrus.com
High-performance,
Low-power, System-on-chip
with SDRAM & Enhanced
Digital Audio Interface
EP7311 Data Sheet
OVERVIEW
BLOCK DIAGRAM
FEATURES
(cont.)
(cont.)
ARM720T Processor
— ARM7TDMI CPU
— 8 KB of four-way set-associative cache
— MMU with 64-entry TLB
— Thumb code support enabled
Ultra low power
— 90 mW at 74 MHz typical
— 30 mW at 18 MHz typical
— 10 mW in the Idle State
— <1 mW in the Standby State
48 KB of on-chip SRAM
MaverickKey
™
IDs
— 32-bit unique ID can be used for SDMI compliance
— 128-bit random ID
Dynamically programmable clock speeds of
18, 36, 49, and 74 MHz
LCD
Controller
Boot
ROM
MaverickKey
TM
ARM7TDMI CPU Core
MMU
8 KB
Cache
Write
Buffer
Internal Data Bus
EPB Bus
Memory Controller
SDRAM I/FSRAM I/F
On-chip SRAM
48 KB
ICE-JTAG
Clocks &
Timers
Keypad&
Touch
Screen I/F
Interrupts,
PWM & GPIO
Bus
Bridge
(2) UARTs
w/ IrDA
Power
Management
Serial
Interface
Multimedia
Codec Port
ARM720T
MEMORY AND STORAGE
USER INTERFACE
SERIAL PORTS
The Maverick™ EP7311 is designed for ultra-low-power
applications such as PDAs, smart cellular phones, and
industrial hand held information appliances. The core-logic
functionality of the device is built around an ARM720T
processor with 8 KB of four-way set-associative unified cache
and a write buffer. Incorporated into the ARM720T is an
enhanced memory management unit (MMU) which allows for
support of sophisticated operating systems like Linux
®
.
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Strany 1 - EP7311 Data Sheet

Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) MAR ‘11DS506F2http://www.cirrus.comHigh-performance,Low-power, System-on-chip with SDRAM &

Strany 2 - FEATURES (cont)

10 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipDC-to-DC converter interface (PWM)•

Strany 3 - Table of Contents

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 11EP7311High-Performance, Low-Power System on ChipPin MultiplexingThe following table

Strany 4

12 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipSystem DesignAs shown in system bloc

Strany 5 - List of Tables

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 13EP7311High-Performance, Low-Power System on ChipELECTRICAL SPECIFICATIONSAbsolute Ma

Strany 6 - Memory Interfaces

14 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipNote: 1) Total power consumption = I

Strany 7 - Multimedia Codec Port (MCP)

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 15EP7311High-Performance, Low-Power System on ChipTimingsTiming Diagram ConventionsThi

Strany 8 - LCD Controller

16 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipSDRAM InterfaceFigure 3 through Figu

Strany 9 - PLL and Clocking

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 17EP7311High-Performance, Low-Power System on ChipSDRAM Load Mode Register CycleNote:

Strany 10

18 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipSDRAM Burst Read CycleNote: 1. Timin

Strany 11 - Pin Multiplexing

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 19EP7311High-Performance, Low-Power System on ChipSDRAM Burst Write CycleNote: 1. Timi

Strany 12 - System Design

2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipFEATURES (cont) LCD controller— Inte

Strany 13 - ELECTRICAL SPECIFICATIONS

20 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipSDRAM Refresh CycleNote: 1. Timings

Strany 14 - STANDBY

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 21EP7311High-Performance, Low-Power System on ChipStatic MemoryFigure 7 through Figure

Strany 15

22 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipStatic Memory Single Read CycleNote:

Strany 16 - SDRAM Interface

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 23EP7311High-Performance, Low-Power System on ChipStatic Memory Single Write CycleNote

Strany 17

24 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipStatic Memory Burst Read CycleNote:

Strany 18 - SDRAM Burst Read Cycle

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 25EP7311High-Performance, Low-Power System on ChipStatic Memory Burst Write CycleNote:

Strany 19 - SDRAM Burst Write Cycle

26 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipSSI1 InterfaceParameter Symbol Min M

Strany 20 - SDRAM Refresh Cycle

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 27EP7311High-Performance, Low-Power System on ChipSSI2 InterfaceParameter Symbol Min M

Strany 21 - Static Memory

28 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipLCD InterfaceParameter Symbol Min Ma

Strany 22

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 29EP7311High-Performance, Low-Power System on ChipJTAG InterfaceParameter Symbol Min M

Strany 23

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 3EP7311High-Performance, Low-Power System on ChipTable of ContentsFEATURES...

Strany 24

30 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipPackages256-Ball PBGA Package Charac

Strany 25

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 31EP7311High-Performance, Low-Power System on Chip256-Ball PBGA Pinout (Top View)1 234

Strany 26 - SSI1 Interface

32 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on Chip256-Ball PBGA Ball ListingThe list i

Strany 27 - SSI2 Interface

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 33EP7311High-Performance, Low-Power System on ChipF7 SDCKE O SDRAM clock enable outp

Strany 28 - LCD Interface

34 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipM7 SSITXFR I/O MCP/CODEC/SSI2 fram

Strany 29 - JTAG Interface

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 35EP7311High-Performance, Low-Power System on ChipJTAG Boundary Scan Signal OrderingTa

Strany 30 - Packages

36 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipN1 nEXTFIQ I 79L5 PE[2]/CLKSEL I/O 8

Strany 31 - (All Rights Reserved) 31

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 37EP7311High-Performance, Low-Power System on ChipN12 D[26] I/O 179R14 A[25]/DRA[2] O

Strany 32 - 256-Ball PBGA Ball Listing

38 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipG11 A[7] O 274D15 D[7] I/O 276F13 nB

Strany 33 - (All Rights Reserved) 33

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 39EP7311High-Performance, Low-Power System on Chip1) See EP7311 Users’ Manual for pin

Strany 34 - (All Rights Reserved) DS506F2

4 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipCONVENTIONS ...

Strany 35

40 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipCONVENTIONSThis section presents acr

Strany 36

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 41EP7311High-Performance, Low-Power System on ChipGeneral ConventionsHexadecimal numbe

Strany 37

42 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipOrdering Information Environmental,

Strany 38

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 5EP7311High-Performance, Low-Power System on ChipList of FiguresFigure 1. A Maximum EP

Strany 39

6 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipProcessor Core - ARM720TThe EP7311 in

Strany 40 - CONVENTIONS

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 7EP7311High-Performance, Low-Power System on ChipThe second is the programmable 16- or

Strany 41 - Pin Description Conventions

8 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS506F2EP7311High-Performance, Low-Power System on ChipCODEC InterfaceThe EP7311 includes an

Strany 42 - Revision History

DS506F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 9EP7311High-Performance, Low-Power System on Chip64-Keypad InterfaceMatrix keyboards a

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