4.2 Extension Header

mikroBUS Xplained Pro implements all the Xplained Pro Standard Extension Headers (Female), which makes it possible to connect the board to an Xplained Pro MCU board. The pin-out definition for the extension header to mikroBUS™ Click Board Header can be seen in the table below.

Table 4-2. mikroBUS Xplained Pro Extension Header
Pin on EXT1Pin Function on Click Board Description
1IDCommunication line to the ID chip
2GNDGround
3ANAnalog
4NCNot connected
5RSTReset
6NCNot connected
7PWMPulse Width modulation
8NCNot connected
9INTInterrupt
10NCNot connected
11TWI_SDAI2C SDA
12TWI_SCLI2C SCL
13UART_TXDUART TX
14UART_RXDUART RX
15SPI_SS_ASPI SS
16SPI_MOSISPI MOSI
17SPI_MISOSPI MISO
18SPI_SCKSPI Clock
19GNDGround
20VCCTarget supply voltage