Ublox EVK-ANNA-B4, Руководство пользователя, Страница: 27 / 42

UBX-21008123 - R02 Interfaces and peripherals Page 27 of 42
C1-Public
Conn. Pin
no. Arduino
pin Description Schematic
net name nRF52 pin Alternate functions and notes
8 VIN External DC supply
input, 5 – 12 VDC VIN -
J2 1 A0 Analog input IO_25 P0.04 Analog function capable GPIO
2 A1 Analog input IO_24 P0.05 Analog function capable GPIO
3 A2 Analog input IO_30 P0.28 Analog function capable GPIO
4 A3 Analog input IO_29 P0.29 Analog function capable GPIO
5 A4 Analog input UART_DSR/
IO_28 P0.30 Analog function capable GPIO, UART_DSR
signal on ANNA-B41
6 A5 Analog input UART_DTR/
IO_27 P0.31 Analog function capable GPIO, UART_DTR
signal on ANNA-B41
J3 1 D0/RX Analog I/O, UART RX UART_RXD/
IO_20 P0.02 Analog function capable GPIO, UART_RXD
signal on ANNA-B41
2 D1/TX Analog I/O, UART TX UART_TXD/
IO_19 P0.03 Analog function capable GPIO, UART_TXD
signal on ANNA-B41
3 D2 Digital I/O UART_CTS/
IO_37 P0.22 UART_CTS signal on ANNA-B41
4 D3 Digital I/O UART_RTS/
IO_36 P0.16 UART_RTS signal on ANNA-B41
5 D4 Digital I/O IO_31 P0.27 RED
6 D5 Digital I/O IO_33 P0.26 BLUE
7 D6 Digital I/O IO_23 P0.10 Signal not connected by default, configured for
NFC use
8 D7 Digital I/O IO_22 P0.09 Signal not connected by default, configured for
NFC use
J4 1 D8 Digital I/O IO_13 P1.09
2 D9 Digital I/O IO_40 P0.15 SWITCH_2 on ANNA-B41.
This signal is pulled low when the button SW2
is pressed
3 D10 Digital I/O IO_38 P0.19
4 D11 Digital I/O IO_39 P0.23
5 D12 Digital I/O IO_16 P1.00
6 D13 Digital I/O IO_48 P0.07
7 GND Ground GND
8 AREF Analog reference
voltage level - - Not connected
9 SDA I2C data signal IO_14 P0.11
10 SCL I2C clock signal IO_15 P0.12
Table 11: Pinout of the Arduino UNO R3 compatible interface