Microchip Technology SAM E70 Xplained Ultra Manuale utente

SAM E70 Xplained Ultra User's Guide

Introduction

This user’s guide provides detailed information about the SAM E70 Xplained Ultra Evaluation kit and its

various features. Figure below illustrates the SAM E70 Xplained Ultra Evaluation kit.

Figure 1. SAM E70 Xplained Ultra Evaluation Kit with PHY Daughter Board

Features

• ATSAME70Q21 Microcontroller

• One Mechanical Reset Button

• One Mechanical User Push Button

• Two User LEDs

• 12.0 MHz Oscillator (DSC6003)

• 32.768 kHz Oscillator (DSC6083)

• 2-MB SDRAM

• 4-MB QSPI Flash (SST26VF032BA)

• Ethernet Interface with External IEEE 802.3az 10Base-T/100Base-TX Ethernet RMII PHY on a

Daughter Board

• AT24MAC402 256KB EEPROM with EUI-48 Address

• ATA6561 CAN Transceiver

• Micro SD Card Connector with SDIO Support

• Camera Interface Connector

• Two Xplained Pro Extension Headers

• Graphics Card Interface

• CoreSight® 20 Connector for 4-bit ETM

• Arduino MEGA Shield Connector

• External Debugger Connector

• USB Interface, Device and Host Mode

• Embedded Debugger:

– Programming and debugging through USB interface

– Auto-ID for board identification in Atmel Studio and MPLAB® X

– One yellow status LED

– One green board power LED

– Symbolic debug of complex data types including scope information

– Data Gateway Interface: SPI, I2C, four GPIOs

– Virtual COM port (CDC)

• External Power Input (5-14V) or USB Power

• X32 Daughter Board Interface to Support Audio and Bluetooth®

• One mikroBus™ Interface

Kit Overview

The Microchip PIC32 SAM E70 Xplained Ultra Development Kit (DM320113) provides a modular

development system for Microchip’s line of 32-bit Cortex® microcontrollers.

For a free Microchip demonstration code and additional information, visit the MPLAB Harmony™ web

page at: http://www.microchip.com/MPLABHarmony.

The Atmel SAM E70 Xplained Ultra Dvelopment Kit is a hardware platform to evaluate the Microchip

ATSAME70Q21. The kit offers a set of features that enables the ATSAME70Q21 users to start with the

SAM E70 peripherals and understand how to integrate the device in their design.

The SAM E70 Xlpained Ultra kit contains the following items:

• One SAM E70 Xplained Ultra Development Kit

• One KSZ8061 Ethernet PHY

• One Graphics card set up for 565 (16-bit color) graphics

Note: If any items are missing in the kit, contact Microchip sales office for assistance. A list of Microchip

Sales offices is provided on the last page of this document.

The figure below illustrates the SAM E70 Xplained Ultra Evaluation Kit features.

Figure 2. SAM E70 Xplained Ultra Evaluation Kit

The table below provides the SAM E70 Xplained Ultra Evaluation kit feature descriptions.

Table 1. SAM E70 Xplained Ultra Evaluation Kit Feature and Location

Number Description

1 CAN interface

2 X32 Daughter Board interface

3 Mikro interface

4 Ethernet PHY interface

5 Ethernet Clock enable/disable jumper

1. Shorted = disabled

2. Open = enabled

6 EXT1/EXT2 interface

7 Debugger USB

1. Programming

2. Power

3. DGI

8 External Reset Button

9 User Button

10 MCU current measurement jumper

11 SAM E70 Host/Device USB

12 CoreSite® 20 (SWD + ETM) debugging interface

13 Barrel power input (2.1mm)

14 User defined LEDs

15 LED2/USB detect jumper

16 Image Sensor interface

17 SWD debugger interface

18 Graphics card interface

19 ATSAME70Q21B

20 SQI external Flash memory

Table of Contents

Introduction......................................................................................................................1

1. Getting Started.......................................................................................................... 6

2. Xplained Ultra............................................................................................................ 8

3. Embedded Debugger................................................................................................ 9

3.1. Hardware Identification System....................................................................................................9

4. System Level Block Diagram...................................................................................11

5. Hardware Features..................................................................................................12

5.1. Xplained Pro Standard Extension Header..................................................................................12

5.2. Graphics Connectors or GFX Card Interface............................................................................. 13

5.3. SDRAM and LCD Connections.................................................................................................. 16

5.4. Camera Connector.....................................................................................................................18

5.5. USB Connectivity....................................................................................................................... 19

5.6. Chip Erase Header.....................................................................................................................20

5.7. Audio Connectivity......................................................................................................................20

5.8. mikroBUS™ Header................................................................................................................... 22

5.9. CAN............................................................................................................................................22

5.10. Ethernet......................................................................................................................................23

5.11. Debug USB Connectivity............................................................................................................24

5.12. Switches.....................................................................................................................................24

5.13. AT24MAC402 Serial EEPROM.................................................................................................. 25

5.14. Power Sources...........................................................................................................................26

6. Hardware................................................................................................................. 28

6.1. SAM E70 Xplained Ultra Development Board Schematics........................................................ 28

6.2. Bill of Materials...........................................................................................................................50

The Microchip Web Site................................................................................................ 55

Customer Change Notification Service..........................................................................55

Customer Support......................................................................................................... 55

Microchip Devices Code Protection Feature................................................................. 55

Legal Notice...................................................................................................................56

Trademarks................................................................................................................... 56

Quality Management System Certified by DNV.............................................................57

Worldwide Sales and Service........................................................................................58

1. Getting Started

SAM E70 Xplained Ultra Evaluation Quick Start

Follow these steps to explore the Atmel SAM E70 Xplained Ultra evaluation kit:

1. Download and install MPLAB X.

2. Launch MPLAB X.

3. Install MPLAB Harmony 3™.

When Microchip SAM E70 Xplained Ultra is connected to the computer for the first time, the operating

system will install a driver software. The driver file supports both 32-bit and 64-bit versions of Microsoft®

Windows® XP/ Vista /7/8/10.

Once the kit is powered, the green power LED will be lit and MPLAB X will auto-detect the kit and identify

which Xplained Pro extension boards are connected. MPLAB X will provide relevant information like data

sheets and kit documentation. The SAM E70 device is programmed and debugged by the on-board

Embedded Debugger, hence no external programmer or debugger tool is needed.

Design Documentation and Relevant Links

The following list provides links to the relevant documents and software for the SAM E70 Xplained Ultra.

• Xplained Pro products

– Atmel Xplained Pro is a series of small-sized and easy-to-use evaluation kit for Microchip

microcontrollers and other Microchip products. It consists of a series of low-cost MCU boards for

evaluation and demonstration of features and capabilities of different MCU families.

• Microchip MPLAB® Integrated Development Environment

– A free Microchip MPLAB IDE for development of C/C++ and assembler code for Microchip

microcontrollers.

• MPLAB Harmony™

– A free MPLAB Harmony code base is available for user application. The latest MPLAB Harmony

code is available for download at:http://www.microchip.com/MPLABHarmony.

• EDBG User Guide

– This user’s guide provides additional information about the on-board Embedded Debugger.

• Data Visualizer

– Data Visualizer is a program used for processing and visualizing data. The Data Visualizer can

receive data from various sources, such as the Embedded Debugger Data Gateway Interface

that is found on the Xplained Pro boards and COM ports.

• IAR Embedded Workbench® for ARM®

– A commercial C/C++ compiler that is available for ARM. A 30-day evaluation version and a code

size limited kick-start version are also available for download from their web site. The code size

limit is 16-KB for devices with M0, M0+, M1 cores, and 32-KB for devices with other cores.

• Keil MDK-ARM Microcontroller Development Kit

– The MDK-ARM is a complete software development environment for Cortex®-M, Cortex-R4,

ARM7™, and ARM9™ processor-based devices. The MDK-ARM is specifically designed for

microcontroller applications, it is user friendly yet powerful enough for the most demanding

embedded applications.

• Design Documentation

Getting Started

– Package containing schematics, BOM, assembly drawings, 3D plots, layer plots, and so on.

• Hardware Users Guide

– PDF version of this user guide.

Getting Started

2. Xplained Ultra

The SAM E70 Xplained Ultra implements several Xplained Pro standards like extension headers and

connectors. Xplained Pro is an evaluation platform that provides a full Microchip microcontroller

experience. The platform consists of a series of Microcontroller (MCU) boards and extension boards that

are integrated with the Microchip MPLAB IDE that supports data streaming. The Xplained Pro MCU

boards support a wide range of Xplained Pro extension boards, such as audio DACs/CODECs, Ethernet

PHYs, graphics cards, and mikroBUS™ that are connected through a set of standardized headers and

connectors. Each extension board has an identification (ID) chip to uniquely identify which boards are

connected to a Xplained Pro MCU board. This information is used to present relevant user guides,

application notes, data sheets, and example code through MPLAB X.

Xplained Ultra

3. Embedded Debugger

The SAM E70 Xplained Ultra contains Microchip Embedded Debugger (EDBG) for on-board debugging.

The EDBG is a composite USB device, which is based on the following interfaces:

• Debugger

• Virtual COM Port

• Data Gateway Interface (DGI)

Together with the Microchip MPLAB IDE, the EDBG debugger interface can program and debug the

ATSAME70Q21. On the SAM E70 Xplained Ultra, the SWD interface is connected between the EDBG

and the ATSAME70Q21.

The Virtual COM Port is connected to a UART on the ATSAME70Q21 and provides an easy way to

communicate with the target application through the terminal software. It offers variable baud rate, parity,

and Stop bit settings. The settings on the ATSAME70Q21 must match the settings given in the terminal

software.

Note: If not set automatically, Data Terminal Ready (DTR) must be set in the terminal software.

The DGI consists of several physical interfaces for communication with the host computer.

Communication over the interfaces is bidirectional. It can be used to send events and values from the

ATSAME70Q21, or as a generic printf-style data channel. Traffic over the interfaces can be timestamped

on the EDBG for accurate tracing of events. Note that timestamping imposes an overhead that reduces

maximal throughput. The Data Visualizer is used to send and receive data through DGI.

The EDBG controls two LEDs on SAM E70 Xplained Ultra: a power LED and a status LED.

The following table describes how the LEDs are controlled in different operation modes.

Table 3-1. EDBG LED Control

Operation Mode Power LED Status LED

Normal operation The power LED is lit when power is

applied to the board.

Activity indicator, LED flashes when any

communication happens to the EDBG.

Bootloader mode

(idle)

The power LED and the status LED

blinks simultaneously.

The power LED and the status LED

blinks simultaneously.

Bootloader mode

(firmware upgrade)

The power LED and the status LED

blinks in an alternating pattern.

The power LED and the status LED

blinks in an alternating pattern.

For additional information on EDBG, refer to the EDBG User Guide.

3.1 Hardware Identification System

All Xplained Pro-compatible extension boards have an Microchip ATSHA204 CryptoAuthentication™ chip

mounted. This chip contains information that identifies the extension with its name and data. When an

Xplained Pro extension is connected to an Xplained Pro MCU board, the information is read and sent to

the MPLAB X IDE. The Microchip kits extension, installed with MPLAB X, provides relevant information,

such as code examples, and links to relevant documents. The following table provides the data fields

stored in the ID chip with content examples.

Embedded Debugger

Table 3-2. Xplained Pro ID Chip Content Example

Data Field Data Type Example

Manufacture ASCII string Microchip’\0’

Product Name ASCII string

Product Revision ASCII string 04’\0’

Product Serial number ASCII string 1774020200000010’\0’

Minimum Voltage (mV) uint16_t 3000

Maximum Voltage (mV) uint16_t 3600

Maximum Current (mA) uint16_t 30

Embedded Debugger

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