Microchip Technology ATmega328P Xplained Mini, Руководство пользователя

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Pin Signal Name Signal Description
9 IRQ/GPIO Interrupt request line and/or general purpose I/O
10 SPI_SS_B/ GPIO Slave B select for SPI and/or general purpose I/O
11 I2C_SDA Data line for I
2
C interface
12 I2C_SCL Clock line for I
2
C interface
13 UART_RX Receiver line of ATmega328P USART
14 UART_TX Transmitter line of ATmega328P USART
15 SPI_SS_A Slave A select for SPI
16 SPI_MOSI Master out slave in line of serial peripheral interface
17 SPI_MISO Master in slave out line of serial peripheral interface
18 SPI_SCK Clock for serial peripheral interface
19 GND Ground
20 VCC Power for extension board
4.7 Factory Programmed
The ATmega328P is preprogrammed with a demo program, ReMorse.
When the CDC COM port is connected to a terminal window (9600 8N1), the text you write will be transmitted via the
LED in Morse code. Any Morse code transmitted by using the button will be displayed as text in the terminal window.
The ATmega32U4 is preprogrammed with the mEDBG firmware.
ATmega328P Xplained Mini
Hardware User Guide
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2020 Microchip Technology Inc.
User Guide
DS50002659B-page 21