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2.6 Peripherals – IO Connections
ATN
IOREF
RESET
3.3V
5V
GND
GND
VIN
A0
A1
TXD
A2
A3
RXD
A4
A5
Power
GPIO
BG96 PINs
A/D
SPI
I2C
UART
* I2C interface lines might be configured as USART interface SDA line can work then as USART TXD and SCL line can work as
USART RXD)
** MOSI and SCK lines might be configured as USART interface (MOSI line can work then as USART TXD and SCK line can work as
USART RXD)
Board Rev 2.2
Figure 7. Board Extension Connectors
Copyright © 5GHUB.US
SCL
RXD
SDA
TXD
AREF
GND
SCK
RXD
MISO
TXD
MOSI
SS
RXD
PA7
PA6
TXD
ADC0
ADC1
GPIO26
GPIO64
11
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