Atmel SMART SAMA5D3 Series Manuale utente

SMART

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

Introduction

This user guide introduces the Atmel®SAMA5D3 Xplained evaluation kit and

describes the development and debugging capabilities for applications running on

a SAMA5D36 ARM®-based embedded microprocessor unit (eMPU).

Scope

This guide provides details on the SAMA5D3 Xplained evaluation kit. It is made

up of four main sections:

Section 1. describes the evaluation kit content and its main features.

Section 2. provides instructions to power up the SAMA5D3 Xplained board.

Section 3. provides an overview of the SAMA5D3 Xplained board.

Section 4. describes the SAMA5D3 Xplained board components.

SAMA5D3

PLAINED

Atmel | SMART SAMA5D3 Series

SAMA5D3 Xplained

USER GUIDE

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SAMA5D3 Xplained [USER GUIDE]

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

Contents

Boards

One SAMA5D3 Xplained board

Cables

One micro-AB type USB cable

A welcome letter

Related Items

Atmel SAMA5D3 Series Datasheet

SAMA5D3 Xplained Getting Started

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SAMA5D3 Xplained [USER GUIDE]

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

Table of Contents

1. Evaluation Kit Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1 Electrostatic Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Power Supply Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2. Power Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.1 Power up the Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2 Sample Code and Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3. Hardware Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.2 Equipment List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.3 Board features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4. Board Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.1 Board Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.2 Function Blocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.3 Other Connector Details and PIO Usage Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

4.4 SAMA5D3 Xplained Board Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

5. Errata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

5.1 The SPI lines available on the LCD connector J22 have been swapped.. . . . . . . . . . . . . . . . . . . . . 60

5.2 JP1 routing is incorrect and results in inaccurate VDDCORE current measurement . . . . . . . . . . . . 61

5.3 The TWI1 pull-up charge is excessive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

6. Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

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SAMA5D3 Xplained [USER GUIDE]

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

1. Evaluation Kit Specifications

1.1 Electrostatic Warning

1.2 Power Supply Warning

Table 1-1. Evaluation Kit Specifications

Characteristic Specifications

Temperature Operating 0°C to +70°C

Storage -40°C to +85°C

Relative Humidity 0 to 90% (non-condensing)

RoHS status Compliant

Ordering code ATSAMA5D3-XPLD

WARNING

ESD-Sensitive Electronic Equipment!

The evaluation kit is shipped in a protective anti-static package. The board system

must not be subject to high electrostatic potentials.

We strongly recommend using a grounding strap or similar ESD protective device

when handling the board in hostile ESD environments (offices with synthetic

carpet, for example). Avoid touching the component pins or any other metallic

element on the board.

Electrostatic

sensitive

device

WARNING

Hardware Power Supply Limitation

Using a power adapter greater than 5Vcc (e.g. the 12Vcc power adapters from

other kits such as Arduino kits) may damage the board.

WARNING

Hardware Power Budget

Using the USB as the main power source (max. 500 mA) is acceptable only with the

use of the on-board peripherals and low-power LCD extension.

When external peripheral or add-on boards need to be powered, we recommend

the use of an external power adapter connected to a J2 DC Jack (can provide up to

1.2A on the 3.3V node).

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SAMA5D3 Xplained [USER GUIDE]

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

2. Power Up

Several power source options are available to power up the SAMA5D3 Xplained board.

The board can be:

USB-powered through the USB Micro-AB connector (J6 connector - default configuration)

Powered through an external AC-to-DC adapter connected via a 2.1 mm center-positive plug into the

optional power jack of the board. The recommended output voltage range of the power adapter is 5V at 2A.

Powered through the Arduino shield.

2.1 Power up the Board

Unpack the board, taking care to avoid electrostatic discharge. Simply connect the USB Micro-AB cable to the

connector (J6).Then, connect the other end of the cable to a free USB port of your PC.

2.2 Sample Code and Technical Support

After booting up the board, you can run sample code or your own application on the board. You can download

sample code and get technical support from the Atmel website.

Linux software and demos can be found on the website Linux4SAM.

WARNING

Unlike Arduino Uno boards, the SAMA5D3 Xplained board runs at 3.3V. The

maximum voltage that the I/O pins can tolerate is 3.3V. Providing higher voltages

(e.g. 5V) to an I/O pin could damage the board.

Table 2-1. Electrical Characteristics

Electrical Parameter Values

Input voltage 5 VCC

Maximum input voltage 6 VCC

Max DC 3.3V current available 1.2A

I/O Voltage 3.3V only

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SAMA5D3 Xplained [USER GUIDE]

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

3. Hardware Introduction

3.1 Introduction

The Atmel SAMA5D3 Xplained board is a fully-featured evaluation platform for Atmel SAMA5D3 series

microcontrollers. It allows users to extensively evaluate, prototype and create application-specific designs.

3.2 Equipment List

The SAMA5D3 Xplained board is built around the integration of a Cortex®-A5-based microcontroller (BGA 324

package) with external memory, dual Ethernet physical layer transceiver, two SD/MMC interfaces, two host USB

ports and one device USB port, one 24-bit RGB LCD interface and one debug interface.

Seven headers, compatible with Arduino R3, are available for various shield connections.

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SAMA5D3 Xplained [USER GUIDE]

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

3.3 Board features

Table 3-1. Board Specifications

Characteristics Specifications

PCB characteristics 125 x 75 x 20mm (10-layers)

Processor SAMA5D36 (324-ball BGA package) ARM Cortex-A5 Processor with ARM

v7-A Thumb2® instruction set, core frequency up to 536 MHz.

Processor clock sources 12-MHz crystal oscillator

32.768-kHz crystal oscillator

Memory 2 x 1Gb DDR2 (16M x 16 bits x 8 banks)

1 x 2Gb SLC NAND Flash (256M x 8 bits)

Optional on-board memory One Serial EEPROM SPI

One 1-Wire EEPROM

SD/MMC One 8-bit SD card connector

One optional 4-bit Micro-SD card connector

USB Two USB Hosts with power switch

One Micro-AB USB device

Display interface One LCD interface connector, LCD TFT Controller with overlay, alpha-

blending, rotation, scaling and color space conversion

Ethernet One Gigabit Ethernet PHY (GRMII 10/100/1000)

One Ethernet PHY (RMII 10/100)

Debug port One JTAG interface connector

One serial DBGU interface (3.3V level)

Expansion connectors Arduino R3 compatible set of headers

The SAMA5D36 GPIO,TWI, SPI, USART, UART, Audio and ISI interfaces

are accessible through these headers.

Board supply voltage 5V from USB or power jack or Arduino shield

On-board power regulation is performed by a Power Management Unit

(PMU)

Battery On-board optional power Cap for CMOS backup

User interface Reset, wakeup and free user pushbutton

One red user/power LED and one blue user LED

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SAMA5D3 Xplained [USER GUIDE]

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

4. Board Components

4.1 Board Overview

The full-featured SAMA5D3 Xplained board integrates several peripherals and interface connectors, as shown in

Figure 4-1.

Figure 4-1. SAMA5D3 Xplained Board Overview

ATSAMA5D36

1401 A

XXXXXXXXXX

ARM

J15 PIO Expansion

1Gb DDR2 Memory

2Gb Nand Flash Memory

System Buttons

JTAG Interface

LCD Connector

Ethernet 10/100

GigaBit Ethernet

J18 PIO Expansion

Free User Push Button

ADC Inputs and CAN Interfaces

Debug Interface

SAMA5D36

Voltages and Reset Interface

ADC Inputs Expansion

Optional Supply Input

USB A Device

Supply Input

SPI Interface

J20 PIO Expansion

J19 PIO Expansion

USB Host Interfaces

ctor

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SAMA5D3 Xplained [USER GUIDE]

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

The SAMA5D3 Xplained board is equipped with the interface connectors described in Table 4-1.

4.2 Function Blocks

Figure 4-2. Evaluation Kit Architecture

Table 4-1. SAMA5D3 Xplained Board Interface Connectors

Header Interfaces to

J2 Main power supply

J6 USB A device. Supports USB device using a Micro-AB connector

J7 (upper) USB B Host. Supports USB host using a type A connector

J7 (lower) USB C Host. Supports USB host using a type A connector

J23 Serial DBGU 3.3V level

J24 JTAG, 20-pin IDC connector

J10 SD/MMC connector

J11 Micro-SD connector

J12 Gigabit Ethernet ETH0

J13 Ethernet ETH1

J22 Expansion connector with all LCD controller signals for display module connection (QTouch®, TFT LCD

display with Touch Screen and backlight

C41 Optional SuperCap

J14–J21 Expansion connectors with Arduino R3 compatible PIO signals

– Various test points located on the board

JTAG

DBGU

JTAG & DBGU

SERIAL

DATA

Micro SD

CARD

10/100/1000

FAST ETHERNET 10/100

ETHERNET

CARD

LCD

Connector FLASH ETH0 ETH1

PIO A,...EPIO A,...E

Single

PMU

Solution 5V INPUT

ATMEL

SAMA5D36

CORTEX-A5 PROCESSOR

2Gb

DDR2

SDRAM

2Gb

NAND

FLASH

USB

DEVICE

USB

Host

ANALOG Reference

VBAT

USER

LEDS PIO

Expansion Headers

Power rails USB A,B,C

Reset

Force PwrOn

Push

Buttons

EBI

5V & 3V3

(Up to 4Gb)

SAMA5D3 Xplained [USER GUIDE]

Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15

4.2.1 Processor

The SAMA5D3 Xplained board is built around the SAMA5D36, a Cortex-A5 application processor which combines

high-performance computing device with low-power consumption and a wide range of communication peripherals.

It features a combination of user interface functionalities and high data rate IOs, including LCD controller,

touchscreen, camera interface, Gigabit and 10/100 Ethernet ports, high-speed USB and SDIO.

The ARM Cortex-A5 supports the latest generation of DDR2 and NAND Flash memory interfaces for program and

data storage. An internal 166-MHz multi-layer bus architecture associated with 24 DMA channels and two 64-

Kbyte SRAM blocks, sustains the high bandwidth required by the processor and the high-speed peripherals.

4.2.2 Clock Circuitry

The SAMA5D3 Xplained evaluation board features four clock sources:

Two clocks are alternatives for the SAMA5D3 series processor main clock

Two crystal oscillators are used for the GETH and Ethernet MII/RMII chip

4.2.3 Power Supplies

The on-board power supply generation is based on the Active-Semi®Power Management Unit (PMU) featuring a

3-channel (3.3V / 1.8V /1.2V or 1.0V) topology. For maximum efficiency, these supply channels are generated by

three integrated step-down converters.

In addition to these 3 DCDC channels, 4 LDO channels with low noise and high PSRR performance are available

for the application. These channels are disabled at startup by default and can be turned on and adjusted under

software control through an I²C link. They are also used to supply the 2.5V VDDFUSE and the 3.3V VDDANA

power inputs of the processor.

The power supply sequencing of the three primary channels is controlled by the PMU itself in full compliance with

the SAMAD3 requirements. The turn-on sequence is: 3.3V first, then 1.8V and finally 1.2V.

Table 4-2. Main Components Associated with the Clock Systems

Quantity Description Component Assignment

1 Crystal for internal clock, 12 MHz Y1

1 Crystal for RTC clock, 32.768 kHz Y2

1 Oscillator for ethernet clock RGMII, 25 MHz Y3

1 Oscillator for ethernet clock RMII, 25 MHz Y4

WARNING

There is a known error on the ACT8865 I²C implementation. The port must be shut

off after configuration or problems may occur with devices using the same I²C

channel, e.g., TM43xx LCD display.

Refer to the ACT8865 datasheet at http://www.active-semi.com/ for more details.

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