1.2.2.2 Host MCU Board with mikroBUS Socket via mikroBUS Interface
The RNBD451 Add On Board can also be used by host MCU boards with mikroBUS sockets using the control interface. The following table shows how the pinout on the RNBD451 Add On Board mikroBUS interface corresponds to the pinout on the mikroBUS socket.
Pin No on mikroBUS |
Standard Pin on mikroBUS |
Pin on RNBD451PE Module |
Description |
---|---|---|---|
1 | AN | PB2, UART MODE SWITCH | UART mode switch |
2 | RST | NMCLR | RNBD451PE module reset pin |
3 | CS | PA4, UART RTS | RNBD451PE module UART RTS |
4 | SCK | PB3, BT_STATUS_IND1 | Bluetooth Low Energy status indication 1 |
5 | MISO | PB7, BT_STATUS_IND2 | Bluetooth Low Energy status indication 2 |
6 | MOSI | PA2, UART_TX_IND | UART transmit indication from the RNBD451PE module |
7 | 3.3V | — | 3.3V from host MCU socket |
8 | GND | GND | GND |
9 | GND | GND | GND |
10 | 5V | — | NC |
11 | SDA | — | NC |
12 | SCL | — | NC |
13 | RX | PB6, UART RXD | RNBD451PE module UART RXD |
14 | TX | PA5, UART TXD | RNBD451PE module UART TXD |
15 | INT | PA6, UART CTS | RNBD451PE module UART CTS |
16 | PWM | PB4, UART RX INDICATION | UART RX indication to RNBD451PE module |