u-blox EVK-NINA-B50, User Manual

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EVK-NINA-B50 - User guide
UBX-23007761 - R02 Appendix Page 34 of 37
C1-Public
A.1 NINA-B4 to NINA-B50 pin correlation
Table 16 describes the pin allocations for NINA-B50 against those for older NINA-B4 module shown in
the EVK-NINA-B4 schematics .
No. Name NINA-B4 I/O Description NINA-B4 Name NINA-B50 Description NINA-B50
1 GPIO_1 I/O General purpose I/O PTA16 General purpose I/O
2 GPIO_2 I/O General purpose I/O PTD5/EXTAL32K General purpose I/O
3 GPIO_3 I/O General purpose I/O PTD4/XTAL32K General purpose I/O
4 GPIO_4 I/O General purpose I/O PTC4 General purpose I/O
5 GPIO_5 I/O General purpose I/O PTA19 General purpose I/O
6 GND - Ground GND Ground
7 GPIO_7 I/O General purpose I/O PTA4/BOOT_CONFIG General purpose I/O
8
SWO/TRACE_D0/
GPIO_8
I/O General purpose I/O PTC5 General purpose I/O
9 VCC_IO I Module I/O level voltage
input VDD_IO Module DCDC, I/O and
system input supply
10 VCC I Module supply voltage
input VDD Module power switch input
supply
11 SWDCLK I Serial Wire Debug port
clock signal PTA1/SWDCLK Serial Wire Debug port clock
signal
12 GND - Ground GND Ground
13 ANT I/O Tx/Rx antenna interface ANT Tx/Rx antenna interface
14 GND - Ground GND Ground
15 SWDIO I/O Serial Wire Debug port
data signal PTA0/SWDIO Serial Wire Debug port data
signal
16 GPIO_16 I/O Analog function enabled
GPIO PTD1/ADC0_B5/UART_DTR General purpose I/O
17 GPIO_17 I/O Analog function enabled
GPIO PTD2/ADC0_A6/UART_DSR General purpose I/O
18 GPIO_18 I/O Analog function enabled
GPIO PTD3/ADC0_B6 General purpose I/O
19 RESET_N I/O System reset input RESET_N System reset input
20 GPIO_20 I/O Analog function enabled
GPIO PTB5/LPUART1_RTS General purpose I/O
21 GPIO_21 I/O General purpose I/O PTB4/LPUART1_CTS General purpose I/O
22 GPIO_22 I/O General purpose I/O PTC3/LPUART1_TX General purpose I/O
23 GPIO_23 I/O Analog function enabled
GPIO PTC2/LPUART1_RX General purpose I/O
24 GPIO_24 I/O Analog function enabled
GPIO PTC6/ADC0_A8 General purpose I/O
25 GPIO_25 I/O
Analog function enabled
GPIO
PTA20/ADC0_A14 General purpose I/O
26 GND - Ground GND Ground
27 GPIO_27 I/O Analog function enabled
GPIO PTA21/ADC0_A15 General purpose I/O
28 NFC1/GPIO_28 I/O NFC pin 1 (default) RSVD Not connected
29 NFC2/GPIO_29 I/O NFC pin 2 (default) RSVD Not connected
30 GND - Ground GND Ground
31 VBUS I USB interface 5 V input RSVD Not connected
32 TRACE_D2/GPIO_32 I/O General purpose I/O PTA18 General purpose I/O