Microchip Technology SAM E54 Xplained Pro Manuale utente

SAM E54

SAME54 Curiosity Ultra Users Guide DM320210

Introduction

The SAM E54 Curiosity Ultra Development Board (DM320210) includes an integrated programmer and debugger,

hence additional hardware is not required to get started. Users can add functionality through MikroElectronika

mikroBUS™ Click™ adapter boards, add Ethernet connectivity with the Microchip PHY Daughter Board, add Wi-Fi™

connectivity capability using the Microchip expansions boards, and add audio input and output capability with

Microchip audio daughter boards.

With or without expansion boards, the SAM E54 Curiosity Ultra Development Board provides the freedom to develop

for a variety of applications, including Bluetooth® Audio, CAN, Graphics User Interface (GUI), Internet of Things (IoT),

robotics development, and proof-of-concept (PoC) designs.

Features

The following are features of the SAM E54 Curiosity Ultra development board

• ATSAME54P20A, 120 MHz, 1MB Flash, 256 KB RAM

• On-Board Debugger (EDBG)

– Real time Programming and Debugging

– Virtual COM port (VCOM)

– Data Gateway Interface (DGI)

• One mikroBUS interfaces

• One X32 audio interfaces supporting Bluetooth and audio

• Ethernet interface

• Graphics interface

• Xplained Pro extension compatible interface

• CAN interface

• User buttons

• User LEDs

• 8-MB QSPI memory

• Arduino Uno R3 compatible interface

Kit Contents

The development board kit contains one SAM E54 Curiosity Ultra development board (DM320210).

Note: If you are missing any part of the kit, contact a Microchip sales office for assistance. A list of Microchip offices

for sales and service is provided on the last page of this document.

SAM E54

Table of Contents

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

1. SAM E54 Curiosity Ultra Development Board Functionality and Features............................................. 4

2. Hardware...............................................................................................................................................19

The Microchip Website.................................................................................................................................32

Product Change Notification Service............................................................................................................32

Customer Support........................................................................................................................................ 32

Product Identification System.......................................................................................................................33

Microchip Devices Code Protection Feature................................................................................................33

Legal Notice................................................................................................................................................. 33

Trademarks.................................................................................................................................................. 34

Quality Management System....................................................................................................................... 34

Worldwide Sales and Service.......................................................................................................................35

SAM E54

1. SAM E54 Curiosity Ultra Development Board Functionality and

Features

The SAM E54 Curiosity Ultra development board features and functionalists are given in the following sections.

1.1 SAM E54 Curiosity Ultra Development Board Features

Figure 1-1. SAM E54 Curiosity Ultra Development Board Layout (Top View)

Table 1-1. SAM E54 Curiosity Ultra Development Board Feature Descriptions

Number Description of item

1 ATSAME54P20A

2 USB debugger interface

3 Xplained Pro expansion compatible interface

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SAM E54 Curiosity Ultra Development Board ...

...........continued

Number Description of item

4 Ethernet interface (RMII, SPI, GPIO).

5 X32 audio interface. 2 per board. Bluetooth & audio codecs sold separately

6 CAN interface

7 Graphics interface

8 DAC output

9 Audio reference clock select

10 I2C temp sensor (MCP9808)

11 ATECC508 (Not populated)

12 I2C Serial EEPROM with MAC address

13 2.1 mm barrel jack power input

14 Programmable user buttons and LEDs

15 USB to ATSAME54P20A

16 Quad SPI memory 256 Mb (8 MB)

SAM E54

SAM E54 Curiosity Ultra Development Board ...

1.2 System Block Diagram

The following figure illustrates the system block diagram, which indicates the data bus routing.

Figure 1-2. System Block Diagram

I2C6

USB

EXT1

(ADC,GPIO,PWM,

IRQ,UART_2w)

EXT2

(ADC,GPIO,PWM,

IRQ,UART_2w)

ETH

(RMII,SPI,GPIO)

GFXConnector

(I2C,SPI,UART,REFCLK1,GPIO)

CAN

QSPI

SAME54

EDBG/

PKoB

X32#1/Mikro

(I2C,SPI,UART,

REFCLK1,GPIO)

PIO[0:7]

MicroSD

I2C4

UART1_2w UART5_2w

UART2_2w

SPI0(SCK,SDI,SDO)

RMII

QSPI

SWD

UART7_4w

SPI_SS_GPIO5

SPI0_SS_GPIO4

SPI0_SS_GPIO2

SPI0_SS_GPIO3

SPI0_SS_GPIO1

ADC/PTC

I2S0

SAM E54

SAM E54 Curiosity Ultra Development Board ...

1.3 Power Block Diagram

The following diagram shows the power system on the SAM E54 Curiosity Ultra development board. The

development board has many power sub systems that allow it to accept up to 16V. The barrel jack is a 2.1 mm center

positive connector. The power in can also be connected through the Arduino header (Vin), and it supplies power

before the reverse voltage protection.

Figure 1-3. Power Block Diagram

SAM E54

SAM E54 Curiosity Ultra Development Board ...

1.4 EDBG

The SAM E54 Curiosity Ultra development board implements several Curiosity Pro standards, such as extension

headers and connectors. Curiosity 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® X IDE that supports data streaming. The Curiosity Pro MCU boards support a

wide range of Curiosity Pro extension boards, such as audio DACs and 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 given in the relevant user guides, application notes, data sheets, and the example code examples

through the MPLAB X IDE.

The development board contains a Microchip Embedded Debugger (EDBG) for on-board debugging. The EDBG is a

complex USB device, which is based on the following interfaces:

• Debugger

• Virtual COM Port

• Data Gateway Interface (DGI)

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

ATSAME54P20A. On the development board, the SWD interface is connected between the EDBG and the

ATSAME54P20A.

The Virtual COM Port is connected to a UART on the ATSAME54P20A 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 ATSAME54P20A must match with 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 ATSAME54P20A, 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 the development board: a power LED and a status LED. The table below provides

how the LEDs are controlled in different operation modes.

Table 1-2. 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

mode)

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.

Hardware Identification System

All Curiosity 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 a Curiosity Pro MCU board, the information is read and sent to the MPLAB X IDE. The Microchip kits

extension, installed with MPLAB X IDE, 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.

SAM E54

SAM E54 Curiosity Ultra Development Board ...

Table 1-3. 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

SAM E54

SAM E54 Curiosity Ultra Development Board ...

1.5 Audio Clock Selection

The SAM E54 has two ways of supporting I2S audio applications: Host mode and Slave mode. This refers to which

mode generates the I2S Master clock, and it also known as a reference clock. The following figure shows the

relationship between the devices. On this board there is a jumper to select between the two modes, Master mode

and Slave mode. The usable modes also depend on which codec it supports, as not all codecs can support both the

modes.

Figure 1-4. Audio Clock Selection

SAME54

GCLK

PA17

PA08

I2S

Codec

MCLK

Jumper

SAME54

GCLK

PA17

PA08

I2S

Codec

MCLK

SlaveMode

MasterMode

Jumper

(Notused)

Data

1.5.1 Pinout

The following table describes the pinout for the X32 Audio Interface. See the 2.1 Schematics for more information.

Table 1-4. Pinout

Pin Number Name Description Interface

1 GND Ground Power

2 GND Ground Power

3 UART RX UART RX, receive to MCU from DB UART

4 UART CTS UART Clear to send UART

5 UART TX UART TX, transmit from MCU to DB UART

6 UART RTS UART Ready to send UART

7 I2C SCL Clock line for I2C interface. I2C

8 STBY/RST Standby/Reset control GPIO

SAM E54

SAM E54 Curiosity Ultra Development Board ...

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