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RX13T CPU Card
5.6
Encoder Signal Input
The product is equipped with an encoder signal input connector. Using this connector, you can input the encoder signal
to the RX13T. The signals are pulled up to 5 V and passed through RC filters before being input to the RX13T. Table
5-6 lists the pin assignments of the signal input connector, and Table 5-7 lists connector information.
Table 5-6 Pin Assignments of Encoder Signal Input Connector (CN3)
Pin No.
Pin Function
1
5V
2
GND
3
ENC_A
4
ENC_B
5
ENC_Z
Part
Connector (CN3)
5.7
Extension of Unused Pins
To facilitate general use of the product, the unused pins of the RX13T are extended through universal connector through
holes in the board. Table 5-8 lists the pin assignments of the universal area through holes.
Table 5-8 Pin Assignments of Universal Area Through Holes (CN8)
5.8
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).
5.9
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 5-9 lists the
pin assignments corresponding to the LEDs.
Table 5-9 RX13T CPU Card LED Connection Pin Assignments
Corresponding RX13T Port
PD6
High-level output
Low-level output
PD4
High-level output
Low-level output
R12UZ0051EJ0100 Rev.1.00
Jul. 22, 2019
Table 5-7 Encoder Signal Input Connector Information
Product No.
B5B-XH-A
Pin No.
RX13T Connection Pins
1
VSS
2
AVCC
3
P22
4
VCC
5
P70
6
VSS
RX13T Connection Pins
VCC
VSS
PB1/MTCLKA
PB0/MTCLKB
PA3/MTIOC1B
Manufacturer
J.S.T. Mfg. Co. Ltd.
LED1
Off
On
-
-
User's Manual
LED2
-
-
Off
On
Page 14 of 18
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