u-blox C030-R412M, Руководство пользователя

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C030-R412M - User Guide
UBX-19010121 - R01 Hardware description Page 19 of 27
2.7 Arduino™ UNO R3 compatible interface pin out
C030-R412M Arduino™ compatible interface details are given in Table 6 and shown in Figure 7 .
Conn. Pin
N°
Arduino
naming Description HostMCU port assignment Alternate functions and notes
Ard1
A
1 n.c. Not connected
2 IOREF IO reference voltage level.
Connected to 3.3 VDC
Could be used as input for external
IO level setting.
3 nR Reset signal input.
Negative logic
4 3.3V 3.3 VDC supply output Controlled by HostMCU Port PE_0
0: disable, 1:enable
5 5V 5 VDC Reference input Could be used as IO Reference input
6 GND Ground level
7 GND Ground level
8 VIN External DC supply input In the range of 2.5 VDC to 5.5 VDC See Jumper J1 in section 2.4
Ard1
B
9 A0 Analog input PA_3 Analog input
6
GPIO, Ext. interrupt
10 A1 Analog input PC_0 Analog input
6
GPIO, Ext. interrupt
11 A2 Analog input PC_3 Analog input 6 GPIO, Ext. interrupt
12 A3 Analog input PA_4 Analog input 6 GPIO, Ext. interrupt
13 A4 Analog input PA_6 Analog input
6
, PB_7 I2C1 SDA
7
GPIO, Ext. interrupt
14 A5 Analog input PB_0 Analog input
6
, PB_6 I2C1 SCL
8
GPIO, Ext. interrupt
Ard1C
15 D0 Digital I/O, UART RX PD_9, USART3_TX GPIO, Ext. interrupt
16 D1 Digital I/O, UART TX PD_8, USART3_RX GPIO, Ext. interrupt
17 D2 Digital I/O PD_11 USART3_CTS, GPIO, External
interrupt
18 D3 Digital I/O PB_14 USART3_RTS, GPIO, PWM, Ext.
interrupt
19 D4 Digital I/O PC_8 GPIO, PWM, Ext. interrupt
20 D5 Digital I/O PA_5 GPIO, PWM, Ext. interrupt
21 D6 Digital I/O PB_8 GPIO, PWM, Ext. interrupt
22 D7 Digital I/O PB_15 GPIO, PWM, Ext. interrupt
Ard1D
23 D8 Digital I/O PD_15 GPIO, Ext. interrupt
24 D9 Digital I/O PD_12 GPIO, Ext. interrupt
25 D10
9
Digital I/O PE_11, SPI4 NSS, shared with SD Card GPIO, PWM, Ext. interrupt
26 D11 Digital I/O PE_6, SPI4 MOSI, shared with SD Card GPIO, PWM, Ext. interrupt
27 D12 Digital I/O PE_5, SPI4 MISO, shared with SD Card GPIO, PWM, Ext. interrupt
28 D13 Digital I/O PE_2, SPI4 SCK, shared with SD Card GPIO, Ext. interrupt
29 GND Ground level
30 AREF 3.3 VDC reference
31 SDA I2C SDA I/O PB_6 I2C1 SCL GPIO, Ext. interrupt
32 SCL I2C SCL Output PB_7 I2C1 SDA GPIO, Ext. interrupt
Table 6: C030-R412M Arduino UNO R3 compatible interface
6
Pin is connected to the port via 1 k
Ω
/1 k
Ω
resistive voltage divider.
7
PB_7 could be connected to the (A4) Ard1B pin 13 to provide I2C1 SDA signal.
8
PB_6 could be connected to the (A5) Ard1B pin 14 to provide I2C1 SCL signal.
9
Arduino interface D10 to D13 pins are used as an SPI Bus to HostMCU SPI4 peripheral. The D10 to D13 pins are shared with the
SD card socket.