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RX72T CPU Card
6.9
Reset Circuit
The product is equipped with a reset circuit for resetting the microcontroller at power-on reset and external reset. To
apply an external reset to the microcontroller, press the pushbutton (SW1).
6.10
Crystal Resonator
This product is mounted crystal oscillator (Y1) on 8MHz.
6.11
LEDs
Two LEDs are mounted on the product for use in debugging programs and general system applications. Each turns on
when the output on the corresponding port is low-level and turns off when the output is high-level. Table 6-13 lists the
pin assignments corresponding to the LEDs.
Table 6-13 RX72T CPU Card LED Connection Pin Assignments
Corresponding RX72T Port
PC5
High-level output
Low-level output
PC6
High-level output
Low-level output
6.12
JP1, JP2
JP1 and JP2 should be short-circuited between 2-3Pin.
JP1, JP2 configuration
Open
Short
(Factory settings)
R12UZ0031EJ0100 Rev.1.00
Feb. 21, 2019
LED1
Off
On
-
-
Table 6-14 Jumper JP1 and JP2 configuration
Function
JP1
Connect MCU (PGAVSS0 pin) to
CNB (4 pin)
Connect MCU (PGAVSS0 pin) to
GND
User's Manual
LED2
-
-
Off
On
JP2
Connect MCU (PGAVSS1 pin) to
CNC (1 pin)
Connect MCU (PGAVSS1 pin) to
GND
Page 20 of 29
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