Ublox EVK-NINA-B4, Руководство пользователя

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EVK-NINA-B4 - User guide
UBX-19054587 - R03 Interfaces and peripherals Page 27 of 38
C1 - Public
Conn. Pin
No. Raspberry
Pi pin Description Schematic
net name nRF52
pin Alternate functions and notes
To connect GPIO 2 to J4 header instead of
LPO clock, remove R66 and add R64 (zero
ohm resistor)
12 GPIO18 Digital I/O GPIO_1 P0.13
13 GPIO27 Digital I/O GPIO_52 P0.08 Connected to NINA through a solder bridge,
if the solder bridge is cut this pin will be left
floating
14 GND Ground GND GND
15 GPIO22 Digital I/O GPIO_51 P1.08 Connected to NINA through a solder bridge,
if the bridge is cut this pin will be left
floating
16 GPIO23 Digital I/O GPIO_50 P0.20 Connected to NINA through a solder bridge,
if the bridge is cut this pin will be left
floating
17 3.3 V 3.3 V supply pin 3V3_PI - Not connected by default, see section 4.1
18 GPIO24 Digital I/O GPIO_49 P0.22 Connected to NINA through a solder bridge,
if the bridge is cut this pin will be left
floating
19 GPIO10 Digital I/O GPIO_48 P0.21 Connected to NINA through a solder bridge,
if the bridge is cut this pin will be left
floating
20 GND Ground GND GND
21 GPIO09 Digital I/O GPIO_47 P0.06 Connected to NINA through a solder bridge,
if the bridge is cut this pin will be left
floating
22 GPIO25 Digital I/O GPIO_46 P0.12
23 GPIO11 Digital I/O GPIO_45 P0.07
24 GPIO08 Digital I/O GPIO_44 P0.27
25 GND Ground GND GND
26 GPIO07 Digital I/O GPIO_43 P0.15
27 ID_SD EEPROM config I2C data
signal GPIO_42 P0.26 Should only be used to read or simulate
HAT EEPROMs, see section 5.3.3
28 ID_SC EEPROM config I2C clock
signal GPIO_41 P1.03 Should only be used to read or simulate
HAT EEPROMs, see section 5.3.3
29 GPIO05 Digital I/O GPIO_40 P0.19
30 GND Ground GND GND
31 GPIO06 Digital I/O GPIO_39 P1.07
32 GPIO12 Digital I/O GPIO_38 P0.25
33 GPIO13 Digital I/O GPIO_37 P1.06
34 GND Ground GND GND
35 GPIO19 Digital I/O GPIO_36 P1.02
36 GPIO16 Digital I/O GPIO_35 P1.04
37 GPIO26 Digital I/O GPIO_34 P0.14
38 GPIO20 Digital I/O GPIO_33 P1.09
39 GND Ground GND GND
40 GPIO21 Digital I/O GPIO_32 P0.11
Table 13: Pinout of the Raspberry Pi compatible interface