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GCPX3 Evaluation Kit J70D1 RTK0EE0003D01002BJ
User's Manual
2.17 RX631 MCU Enable/Disable SW (SW5)
SW5 is a switch to Enable/Disable the control of the CPX3 by the RX631 MCU.
CPX3 can be connected to another MCU on this board by disabling RX631MCU,
Table 2-16 shows the settings of SW5. Use the default settings for normal operation.
MCU control
Operation state
(default)
Reset state
2.18 Control MCU
The evaluation board is equipped with the RX631 (R5F5631EDDFP) for a control MCU. The connections are shown in
Table 2-17 and Table 2-18.
Unused pin settings: Since the signals connected to PLC LSI have pin settings on the PLC board, set the ports to
"Input" when not using the RX631. Set other signal pins with on-chip pull-up resistor of MCU.
R30UZ0081EJ0100
DEC 01, 2016
Table 2-16: MCU Disable SW (SW5)
SW5 setting
USE RX
KILL RX
function
RX631 in operating state.
CPX3 reset controlled by RX631.
RX631 in the reset state.
CPX3 reset controlled by SW4.
R30UZ0081EJ0100
Rev.1.00
Page 29 of 35
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