Microchip Technology SAM E54 Xplained Pro Manual de usuario
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.
© 2019 Microchip Technology Inc. DS70005405A-page 1
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
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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
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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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...........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)
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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
USB
EXT1
(ADC,GPIO,PWM,
IRQ,UART_2w)
EXT2
(ADC,GPIO,PWM,
IRQ,UART_2w)
ETH
(RMII,SPI,GPIO)
GFXConnector
(I2C,SPI,UART,REFCLK1,GPIO)
CAN
QSPI
SAME54
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
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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
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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.
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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
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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
SAME54
GCLK
PA17
PA08
I2S
Codec
MCLK
Jumper
SAME54
GCLK
PA17
PA08
I2S
Codec
MCLK
SlaveMode
MasterMode
Jumper
(Notused)
(Notused)
Data
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
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