Atmel AT91SAM7SE-EK User guide

AT91SAM7SE-EK Evaluation Board

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

User Guide

-2 AT91SAM7SE-EK Evaluation Board User Guide

6241B–ATARM–22-Mar-07

Table of Contents

Section 1

Overview...............................................................................................1-1

1.1 Scope........................................................................................................1-1

1.2 Deliverables ..............................................................................................1-1

1.3 AT91SAM7SE-EK Evaluation Board ........................................................1-1

Section 2

Setting Up the AT91SAM7SE-EK Board ..............................................2-1

2.1 Electrostatic Warning ................................................................................2-1

2.2 Requirements............................................................................................2-1

2.3 Layout .......................................................................................................2-2

2.4 Powering Up the Board.............................................................................2-3

2.5 Getting Started..........................................................................................2-3

2.6 AT91SAM7SE-EK Block Diagram ............................................................2-4

Section 3

Board Description .................................................................................3-1

3.1 AT91SAM7SE Microcontroller ..................................................................3-1

3.2 AT91SAM7SE Block Diagram ..................................................................3-4

3.3 Memory .....................................................................................................3-5

3.4 Clock Circuitry...........................................................................................3-5

3.5 Reset Circuitry ..........................................................................................3-5

3.6 Power Supply Circuitry..............................................................................3-5

3.7 Remote Communication ...........................................................................3-5

3.8 Audio Stereo Interface ..............................................................................3-5

3.9 User Interface ...........................................................................................3-5

3.10 Debug Interface ........................................................................................3-5

3.11 Expansion Slot ..........................................................................................3-5

3.12 PIO Usage ................................................................................................3-6

Section 4

Configuration ........................................................................................4-1

4.1 Jumpers ....................................................................................................4-1

4.2 Audio Configuration ..................................................................................4-1

4.3 JTAG/ICE..................................................................................................4-2

4.4 Microcontroller Clock ................................................................................4-2

4.5 Memory .....................................................................................................4-2

4.6 Ethernet ....................................................................................................4-2

4.7 Miscellaneous ...........................................................................................4-3

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Section 5

Schematics ...........................................................................................5-1

5.1 Schematics ...............................................................................................5-1

Section 6

Errata....................................................................................................6-1

6.1 PIO Usage ................................................................................................6-1

6.2 TWI line pullups are too weak for Fast Mode operation............................6-1

Section 7

Revision History....................................................................................7-1

7.1 Revision History ........................................................................................7-1

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Section 1 Overview

1.1 Scope The AT91SAM7SE-EK evaluation board enables the evaluation of and code develop-

ment for applications running on an AT91SAM7SE device. This guide focuses on the AT91SAM7SE-EK board as an evaluation platform.

1.2 Deliverables

1.2.1 Standard Version AT91SAM7S-EK VAR

1.3 AT91SAM7SEEK Evaluation Board

The AT91SAM7SE-EK package contains the following items:

! An AT91SAM7SE-EK board

! One Universal input AC/DC power supply with US and Europe plug adapter

! One A/B-type USB cable

! One serial RS232 cable

! One CD-ROM containing summary and full datasheets, datasheets with electrical and

mechanical characteristics, application notes and getting started documents for all development boards and AT91 microcontrollers. An AT91 software package with C and assembly listings is also provided. This allows the user to begin evaluating the AT91 A R M

The board is equipped with an AT91SAM7SE512 (128-pin LQFP package) together with the following:

! 32 Mbytes of SDRAM memory

! 256 Mbytes of NAND Flash memory

! One USB device port interface

! One DBGU serial communication port

Thumb® 32-bit microcontroller quickly.

! One additional serial communication port with RTS/CTS handshake control

! One JTAG/ICE debug interface

! One Atmel AT73C213 Stereo Audio DAC

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Overview

! One power LED and two general-purpose LEDs

! One joystick and two user input pushbuttons

! One Reset pushbutton

! Three expansion connectors (PIO A, PIO B, PIO C)

! One EBI expansion BGA-like footprint connector

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Section 2

Setting Up the AT91SAM7SE-EK

Board

2.1 Electrostatic Warning

2.2 Requirements In order to set up the AT91SAM7SE-EK evaluation board, the following items are

The AT91SAM7SE-EK evaluation board is shipped in protective anti-static packaging. The board must not be subjected to high electrostatic potentials. A grounding strap or similar protective device should be worn when handling the board. Avoid touching the component pins or any other metallic element.

needed:

! The AT91SAM7SE-EK evaluation board itself.

! AC/DC power adapter (5V at 2A), 2.1 mm x 5.5 mm

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Setting Up the AT91SAM7SE-EK Board

2.3 Layout Figure 2-1. AT91SAM7SE-EK Layout - Top View

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Setting Up the AT91SAM7SE-EK Board

Figure 2-2. AT91SAM7SE-EK Layout - Bottom View

2.4 Powering Up the Board

The AT91SAM7SE-EK requires 5V DC (±5%). DC power is supplied to the board via the

2.1 mm x 5.5 mm socket J1. Coaxial plug center positive standard.

2.5 Getting Started The AT91SAM7SE-EK evaluation board is delivered with a CD-ROM containing all nec-

essary information and step-by-step procedures for working with the most common development toolchains. Please refer to this CD-ROM, or to the AT91 web site,

http://www.atmel.com/products/AT91/, for the most up-to-date information on getting

started with the AT91SAM7SE-EK.

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Setting Up the AT91SAM7SE-EK Board

2.6 AT91SAM7SE-EK Block Diagram

POWER SUPPLY

5VDC

USER'S INTERFACE

DAC

01 - POWER SUPPLY

SERIAL INTERFACES

POWERLED

USERLED1

USERLED2

RIGHTCLIC

PUSHLEFTCLIC

AT73C213

DBGU

RS232FAST ETHERNET

COM0

DEVICE

USB

05 - COMMUNICATION

RMII_MII ETHERNET

NOT

POPULATED

03 - RMII_MII ETHERNET

PWM0

PWM1

PWM2

PB22

PB23

PB24

DOWN

PB27

LEFT

PB26

RIGHT

PB25

PCK2

MCLK

SDIN

LRFS

BCLK

MISO

DOUT

MOSI

DIN

SPCK

CLK

NPCS1

NRST

DTXD

DRXD NRST

DRXD

TXD0

TXD

RXD0

RXD

RTS0

RTS

CTS0

CTS

PC19

USBCNX

DDM

DDP

D[0..15]

CMD

IOW

PWRST

D[0..15]

A12

NWE NRD

IOR

NCS2

IRQ1

INT

NRST

DDM DDP

02 - AT91SAM7SE

AT91SAM7SE

SDCK

PA[0..31]

PB[0..31]

PC[0..23]

NRST

AD[4..7]

PA[0..31]

PB[0..31]

PC[0..23]

NRST

AD[4..7]

D[0..31]

A[0..22]

MEMORY

D[0..15]

A[2..14]

RAS CAS SDA10 SDWE SDCS

SDCK SDCKE

A0 NBS1

A16 A17

A22 A21 NANDOE NANDWE NANDCS RDYBSY

D[0..15]

MOSI MISO SPCK NPCS0

TWCK TWD

03 - MEMORY

EXPANSION CONNECTORS

SDCK

06 - EXPANSION CONNECTORS

D[0..15]

A[2..14]

RAS CAS SDA10 SDWE SDCS

SDCK SDCKE

NBS0 NBS1

BA0 BA1

CLE ALE NANDOE NANDWE NANDCS RDYBSY

D[0..15]

SI SO SCK CS

POPULATED

NRST

SCL SDA

POPULATED

D[0..31]

A[0..22]

SDCK

PA[0..31]

PB[0..31]

PC[0..23]

NRST

AD[4..7]

NOT

SDRAMNANFLASH

DATAFLASH

SERIAL SERIAL

EEPROM

PIO USAGE

PA0 PWM0 PA1 PWM1 PA2 PWM2 PA3 TWD PA4 TWCK PA5 RXD0 PA6 TXD0 PA7 RTS0 PA8 CTS0 PA9 DRXD PA10 DTXD PA11 NPCS0 PA12 MISO PA13 MOSI PA14 SPCK PA15 TF PA16 TK PA17 TD PA18 PA19 PA20 NCS2 PA21 PA22 PA23 NBS1 PA24 SDA10 PA25 SDCKE PA26 SDCS PA27 SDWE PA28 CAS PA29 RAS PA30 IRQ1 PA31 NPCS1

PB[0..31]

PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PB8 PB9 PB10 PB11 PB12 PB13 PB14 PB15 PB16 PB17 PB18 NANDCS PB19 RDYBSY PB20 PB21 PB22 PB23 PB24 PB25 PB26 PB27 PB28 PB29 PB30 PB31 PCK2

PC[0..23]

PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7 PC8 PC9 PC10 PC11 PC12 PC13 PC14 PC15 PC16 PC17 NANDOE PC18 NANDWE PC19 PC20 PC21 NWE PC22 NRD PC23

A[0..22]

A0PB0 A1PB1 A2PB2 A3PB3 A4PB4 A5PB5 A6PB6 A7PB7 A8PB8 A9PB9 A10PB10 A11PB11 A12PB12 A13PB13 A14PB14 A15PB15 A16PB16 A17PB17 A18PC16 A19PC17 A20PC18 A21PC19 A22PC20

D[0..31]PA[0..31]

D0PC0 D1PC1 D2PC2 D3PC3 D4PC4 D5PC5 D6PC6 D7PC7 D8PC8 D9PC9 D10PC10 D11PC11 D12PC12 D13PC13 D14PC14 D15PC15 D16PB18 D17PB19 D18PB20 D19PB21 D20PB22 D21PB23 D22PB24 D23PB25 D24PB26 D25PB27 D26PB28 D27PB29 D28PB30 D29PB31 D30PA30 D31PA31

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Section 3 Board Description

3.1 AT91SAM7SE Microcontroller

• Incorporates the ARM7TDMI® ARM® Thumb® Processor

– High-performance 32-bit RISC Architecture – High-density 16-bit Instruction Set – Leader in MIPS/Watt – EmbeddedICE

• Internal High-speed Flash

– 512 Kbytes, Organized in Two Contiguous Banks of 1024 Pages of 256 Bytes

Dual Plane (AT91SAM7SE512)

– 256 Kbytes (AT91SAM7SE256) Organized in One Bank of 1024 Pages of 256

Bytes Single Plane (AT91SAM7SE256)

– 32 Kbytes (AT91SAM7SE32) Organized in One Bank of 256 Pages of 128 Bytes

Single Plane (AT91SAM7SE32) – Single Cycle Access at Up to 30 MHz in Worst Case Conditions – Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed – Page Programming Time: 6 ms, Including Page Auto-erase, Full Erase Time: 15

ms – 10,000 Erase Cycles, 10-year Data Retention Capability, Sector Lock Capabilities,

Flash Security Bit – Fast Flash Programming Interface for High Volume Production

• 32 Kbytes (AT91SAM7SE512/256) or 8 Kbytes (AT91SAM7SE32) of Internal

High-speed SRAM, Single-cycle Access at Maximum Speed

• One External Bus Interface (EBI)

– Supports SDRAM, Static Memory, Glueless Connection to CompactFlash

ECC-enabled NANDFlash

• Memory Controller (MC)

– Embedded Flash Controller – Memory Protection Unit – Abort Status and Misalignment Detection

• Reset Controller (RSTC)

– Based on Power-on Reset Cells and Low-power Factory-calibrated Brownout

Detector – Provides External Reset Signal Shaping and Reset Source Status

• Clock Generator (CKGR)

– Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and One PLL

• Power Management Controller (PMC)

™

In-circuit Emulation, Debug Communication Channel Support

and

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