Version 1.1
7.15
MIKROBUS CONNECTOR P4+P5
MikroBUS slot can be used for attaching number of mikroBUS compatible add-on boards. For more
information, see Appendix B.
Connector Type
2x 61300811821
Connector Manufacturer
Wurth Electronic
Table 7.30: Microbus connector type
P4
P5
Pin Signal
Direction Pin Signal
Direction
1
UBUS_AN
In
1
UBUS_PWM (GPIO3_25)
In
2
UBUS_RST (GPIO3_24)
Out
2
UBUS_INT (GPIO3_22)
In
3
SPI_CS0
Out
3
UART4_RX
In
4
SPI_CLK
Out
4
UART4_TX
Out
5
SPI_MISO
In
5
I2C1_SCL
Bidir
6
SPI_MOSI
Out
6
I2C1_SDA
Bidir
7
+3.3V
-
7
+5V
-
8
GND
-
8
GND
-
Table 7.31: Microbus connector pinout
7.16
UART CONNECTOR P6
Four UARTs are present on this connector. Two of them (UART1, UART2) can be routed to the USB2UART
converter FT230Q.
Connector Type
61031021121
Connector Manufacturer
Wurth Electronic
Table 7.32: UART connector type
Pin Signal
Direction Note
1
UART1_SIN
In
Pullup
2
UART2_SIN
In
Pullup
3
UART1_SOUT
Out
4
UART2_SOUT
Out
5
GND
-
6
GND
-
7
UART1_RTS# (UART3_SOUT)
Out
8
UART2_RTS# (UART4_SOUT)
Out
9
UART1_CTS# (UART3_SIN)
In
Pullup
10
UART2_CTS# (UART4_SIN)
In
Pullup
Table 7.33: UART connector pinout
PastLS1 Qseven carrier board for Rakun LS1