Atmel ATmega328P Xplained Mini MEGA328P-XMINI MEGA328P-XMINI Data Sheet

Product codes
MEGA328P-XMINI
Page of 16
 
ATmega328P Xplained Mini User Guide [USER GUIDE]
42287A-MCU-05/2014
13
Pin Name
Typical µC
signal
Typical
grid
pin
Extension signal description
11 TWI_SDA
PC4/SDA
M6 to
Q12
Data line for two wire interface.
12 TWI_SCL
PC5/SCL
M9 to
R12
Clock line for two wire interface.
13 USART_RX
PD0/RXD
L6 to
A12
USART Input Pin from extension board, remove R107 if
used.
14 USART_TX
PD1/TXD
L9 to
B12
USART Output Pin to extension board, remove R108 if
used.
15 SPI_SS_A
PB2/SS
K6 to
K5.5
Slave select for Serial peripheral interface.
16 SPI_MOSI
PB3/MOSI
K9 to
K10
Master out slave in line of Serial peripheral interface.
17 SPI_MISO
PB4/MISO
J6 to
J5.5
Master in slave out line of Serial peripheral interface.
18 SPI_SCK
PB5/SCK
J9 to
J10
Clock for Serial peripheral interface.
19 GND
 
I6 to
GND
Ground.
20 VCC
 
I9 to
VCC
Power for extension board.
Using Pin 11 to 20 enables connection of the 10pin connector used on the RZ600 wireless modules and the
10pin Xplained sensor modules.
2.4
Board GUI
2.4.1
LEDs
There are one LED available for use by application SW and one for the mEDBG.
Table 2-13. LEDs
LED
Function
D100 - Green
mEDBG, will light during enumeration.
D200 - Yellow
ATmega328P pin 17 - PB5, also connected to mEDBG SCK for ISP programming, in 3-
state when not used by the ATmega32U4.
.
2.4.2
Button
A button is available for general use by application SW.