CPX4 AC-PLC Evaluation Kit M02D2 RTK0EE0009D02001BJ
3
.
Interface Specifications
R30UZ0165EJ0100 Rev.1.00
Page 30 of 53
July 01, 2021
3.1.13
MCU board-connection connector (CN6, CN7)
Table 3-7 and Table 3-8 show the connection with the RX651 MCU board.
Table 3-7
CN6 connectors
Terminal
number
Terminal
name
Function
1
CPX_RESB
Connected to the P0 terminal of CPX4
2
GND
Connected to GND
3
RXD_MCU
Connected to UART-RX terminal of the MCU
4
GND
Connected to GND
5
TXD_MCU
Connected to UART-TX terminal of the MCU
6
GND
Connected to GND
7
RESOUT
Reset signal to the MCU
8
GND
Connected to GND
9
3.3V
3.3V power supply to MCU board
10
3.3V
3.3V power supply to MCU board
Table 3-8
CN7 connectors
Terminal
number
Terminal
name
Function
1
UART_RXD
Connected to UART-RX/SPI SI terminal of CPX4
2
UART_TXD
Connected to UART-TX/SPI SO terminal of CPX4
3
S_SPI_SC
Connected to SPI CLK terminal of CPX4
4
SPI_SS
Connected to SPI SS terminal of CPX4
5
SPI_REQ
Connected to SPI REQ terminal of CPX4
6
S_CKOUT
Connected to CPX4 clock-out pin.
7
GND
Connected to GND
8
BOOT0
Connected to the BOOT0 terminal of CPX4
9
BOOT1
Connected to the BOOT1 terminal of CPX4
10
3.3V
3.3V power supply to MCU board