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RX13T CPU Card
5.4
Serial Communication
The product communicates with the UART via the serial communication connectors. There are three serial
communication connectors: CN5, CN6, and CN7. Table 5-3 lists their pin assignments. Use CN5 when using a tool
such as waveform display in conjunction with the INV-BRD.
Table 5-3 Pin Assignments of Serial Communication Connectors (CN5, CN6, CN7)
Connector No.
CN5
(DNF)
CN6
(DNF)
CN7
(DNF)
5.5
Hall Sensor Signal Input
The product is equipped with a Hall sensor signal input connector. Using this connector, you can input the Hall sensor
signal from the motor supplied with the Motor RSSK directly to the product. The signals are pulled up to 5 V and
passed through RC filters before being input to the RX13T. Table 5-4 lists the pin assignments of the Hall sensor signal
input connector, and Table 5-5 lists connector information.
Table 5-4 Pin Assignments of Hall Sensor Signal Input Connector (CN4)
Pin No.
Pin Function
1
5V
2
GND
3
HALL_U
4
HALL_V
5
HALL_W
Part
Connector (CN5)
R12UZ0051EJ0100 Rev.1.00
Jul. 22, 2019
Pin No.
1
2
3
4
1
2
3
4
1
2
3
4
Table 5-5 Hall Sensor Signal Input Connector Information
Product No.
B5B-XH-A
Pin Function
5V
TX for MCU
RX for MCU
GND
5V
TX for MCU
RX for MCU
GND
5V
TX for MCU
RX for MCU
GND
RX13T Connection Pins
VCC
VSS
P93/IRQ0
P94/IRQ1
PA2/IRQ4
Manufacturer
J.S.T. Mfg. Co. Ltd.
User's Manual
RX13T Connection Pins
VCC
PD3/TXD1
PD5/RXD1
VSS
VCC
PB6/TXD5
PB7/RXD5
VSS
VCC
P23/TXD5
P24/RXD5
VSS
Page 13 of 18
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