Atmel ATmega168PB Xplained Mini, Руководство пользователя

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ATmega168PB Xplained Mini User Guide [USER GUIDE]
42381A-MCU-10/2014
14
Pin Name Typical µC
signal
Typical
grid
pin
Extension signal description
10 SPI_SS_B/
GPIO
Slave select for SPI and/or general purpose I/O. Wake up
interrupt to RF extension (SLP_TR).
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.
A number of Xplained PRO Extensions can be found at http://www.atmel.com/products/microcontrollers/avr/
xplainedpro .
Using Pin 11 to 20 enables connection of the 10-pin connector used on the RZ600 wireless modules and the
10-pin Xplained sensor modules.
2.4 Board GUI
2.4.1 LEDs
There are One LED available for use by the application SW and one for the mEDBG.
Table 2-13. LEDs
LED Function
D100 - Green mEDBG, will light during enumeration.
D200 -
Yellow
ATmega168PB 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.