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Microchip Technology ATmega4809 Xplained Pro, Manual

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Table 3-5. Xplained Pro Power Header

Pin Number

Pin Name

Description

1

VEXT_P5V0

External 5V input pin

2

GND

Ground pin

3

VCC_P5V0

Unregulated 5V pin (an output, derived from one of the input
sources)

4

VCC_P3V3

Regulated 3.3V pin (an output, used as the main power
supply for the kit)

 ATmega4809 Xplained Pro

Xplained Pro

©

 2020 Microchip Technology Inc.

 User Guide

DS50002716C-page 10

Summary of Contents for ATmega4809 Xplained Pro

Page 1: ...cess to the features of the ATmega4809 and explains how to integrate the device into a custom design The Xplained Pro MCU series evaluation kits include an on board Embedded Debugger EDBG No external...

Page 2: ...aders 12 4 2 2 mikroBUS Socket 15 4 2 3 AVR Debugger Connector 16 4 3 Peripherals 16 4 3 1 Crystals 16 4 3 2 Mechanical Buttons 16 4 3 3 LED 17 4 3 4 Footprint for CryptoAuthentication Devices 17 4 4...

Page 3: ...nge Notification Service 30 Customer Support 30 Microchip Devices Code Protection Feature 30 Legal Notice 31 Trademarks 31 Quality Management System 32 Worldwide Sales and Service 33 ATmega4809 Xplain...

Page 4: ...Studio MPLAB X One yellow status LED One green board power LED Symbolic debug of complex data types including scope information Programming and debugging including power measurements Data Gateway Int...

Page 5: ...CURRENT MEASUREMENT HEADER SW0 USER BUTTON USER LED0 mikroBUS socket AVR DEBUG FOR EXTERNAL DEBUGGER UDFN8 CryptoAuthentication DEVICE FOOTPRINT 32 768 kHz Crystal TARGET VOLTAGE SELECT HEADER Info T...

Page 6: ...ss to all I O pins of the target microcontroller Xplained Mini used for medium pin count devices and adds Arduino Uno compatible header footprint and a prototyping area Xplained Pro used for medium to...

Page 7: ...ignal to enable the UART pins connected to the ATmega4809 If the DTR signal is not enabled the UART pins on the EDBG are kept in tri state high Z to render the COM Port not usable The DTR signal is au...

Page 8: ...ts Current Requirements Connector Marking External power 5V 2 100 mV for USB host operation 4 3V to 5 5V if a USB host operation is not required The recommended value for the maximum current is 2A PWR...

Page 9: ...r Serial Peripheral Interface SPI and or general purpose I O pin 11 I2C_SDA Data pin for I2C interface Always connected bus type 12 I2C_SCL Clock pin for I2C interface Always connected bus type 13 UAR...

Page 10: ...5V input pin 2 GND Ground pin 3 VCC_P5V0 Unregulated 5V pin an output derived from one of the input sources 4 VCC_P3V3 Regulated 3 3V pin an output used as the main power supply for the kit ATmega480...

Page 11: ...onnectors jumpers and peripherals on ATmega4809 Xplained Pro Figure 4 1 ATmega4809 Xplained Pro Connector Overview 4 1 Power Distribution ATmega4809 Xplained Pro has two power sources as described in...

Page 12: ...user guide to see which voltages are acceptable Info The EDBG reads the ID information from Xplained Pro extensions and controls the power switch when the kit is powered up This mechanism does not ch...

Page 13: ...hentication footprint EDBG DGI 13 USART_RX PA1 USART0 RxD 14 USART_TX PA0 USART0 TxD 15 SPI_SS_A PA7 SPI0 SS 16 SPI_MOSI PA4 SPI0 MOSI EXT2 EXT3 mikroBUS EDBG DGI 17 SPI_MISO PA5 SPI0 MISO EXT2 EXT3 m...

Page 14: ...SO PA5 SPI0 MISO EXT1 EXT3 mikroBUS EDBG DGI 18 SPI_SCK PA6 SPI0 SCK EXT1 EXT3 mikroBUS EDBG DGI 19 GND Ground 20 VCC Power for extension board Table 4 3 Extension Header EXT3 EXT3 Pin ATmega4809 Pin...

Page 15: ...BUS ATmega4809 Pin Function ADC0 AIN6 PD6 AN PWM PF4 TCB0 WO TCA0 WO4 GPIO PD0 RST INT PE2 GPIO GPIO PF2 CS RX PB1 USART3 RxD SPI0 SCK PA6 SCK TX PB0 USART3 TxD SPI0 MISO PA5 MISO SCL PC3 TWI0 SCL SPI...

Page 16: ...ipherals 4 3 1 Crystals ATmega4809 Xplained Pro has a 32 768 kHz crystal that can be used as clock source for the ATmega4809 device There are cut straps located close to the crystals that can be used...

Page 17: ...4 8 LED Connection ATmega4809 Pin Function Shared Functionality PB5 Yellow LED0 EXT2 DGI GPIO3 4 3 4 Footprint for CryptoAuthentication Devices ATmega4809 Xplained Pro has one UDFN8 footprint for Mic...

Page 18: ...e ATmega4809 UARTs For further information on how to use the Virtual COM port see 3 1 Embedded Debugger Table 4 11 Virtual COM Port Connections ATmega4809 Pin Function Shared Functionality PC0 USART1...

Page 19: ...wer signals The table and figure below show components to modify connections to the EDBG and power supplies Table 4 15 Resistors Designato r Value From To Comment J106 Cut strap J100 pin 4 VCC_TARGET...

Page 20: ...G DGI SPI SCK PA6 SPI0 SCK R522 0 EDBG DGI SPI MOSI PA4 SPI0 MOSI R523 330 EDBG DGI SPI MISO PA5 SPI0 MISO R526 330 EDBG CDC UART TX PC1 USART1 RxD EDBG CDC interface R527 0 EDBG CDC UART RX PC0 USART...

Page 21: ...Figure 4 3 Assembly Drawing Bottom ATmega4809 Xplained Pro Hardware User Guide 2020 Microchip Technology Inc User Guide DS50002716C page 21...

Page 22: ...V remember to check the voltage range of any parts soldered on the CryptoAuthentication footprint Info The EDBG checks the voltage at J105 pin 2 when USB power is applied If the voltage is between 1 6...

Page 23: ...n the OPTIONS dialog for the project 2 In the category General Options select the Target tab Select the device for the project or if not listed the core of the device as shown in Figure 5 1 3 In the c...

Page 24: ...Figure 5 2 Select Debugger Figure 5 3 Configure Interface ATmega4809 Xplained Pro Appendix 2020 Microchip Technology Inc User Guide DS50002716C page 24...

Page 25: ...A09 3074 6 2 Revision 6 Target MCU with part number ATMEGA4809 AFR is mounted on revision 6 of ATmega4809 Xplained Pro Revision 6 fixes the power ramp up issue where voltage is applied to the mikroBU...

Page 26: ...age below WARNING This work around removes the Xplained Pro extension overvoltage protection feature Make sure that the electrical specifications of the connected Xplained Pro extensions match the vol...

Page 27: ...Links 4 3 1 Crystals 4 3 4 Footprint for CryptoAuthentication Devices 6 6 Revision 3 Revision 3 is the initially released revision Engineering samples with part number ATMEGA4809 MFRES are mounted on...

Page 28: ...Related Links 4 2 3 AVR Debugger Connector Table 4 12 4 3 1 Crystals ATmega4809 Xplained Pro Hardware Revision History and Known Issues 2020 Microchip Technology Inc User Guide DS50002716C page 28...

Page 29: ...C 12 2020 Corrected the function description of PD6 in Table 4 4 B 06 2018 Updated for kit revision 6 A 02 2018 Initial document release ATmega4809 Xplained Pro Document Revision History 2020 Microch...

Page 30: ...A listing of sales offices and locations is included in this document Technical support is available through the website at www microchip com support Microchip Devices Code Protection Feature Note th...

Page 31: ...p Designer QTouch SAM BA SenGenuity SpyNIC SST SST Logo SuperFlash Symmetricom SyncServer Tachyon TimeSource tinyAVR UNI O Vectron and XMEGA are registered trademarks of Microchip Technology Incorpora...

Page 32: ...Management System For information regarding Microchip s Quality Management Systems please visit www microchip com quality ATmega4809 Xplained Pro 2020 Microchip Technology Inc User Guide DS50002716C...

Page 33: ...China Xiamen Tel 86 592 2388138 China Zhuhai Tel 86 756 3210040 India Bangalore Tel 91 80 3090 4444 India New Delhi Tel 91 11 4160 8631 India Pune Tel 91 20 4121 0141 Japan Osaka Tel 81 6 6152 7160 J...

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