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RX13T CPU Card User's Manual
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. The connector is not mounted at the factory, but a
connector (JST B5B-XH-A) that can be mounted on this terminal is included in this 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.
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
R12UZ0051EJ0110
2022.2.21
Pin No.
Pin Function
1
5V
2
TX for MCU
3
RX for MCU
4
GND
1
5V
2
TX for MCU
3
RX for MCU
4
GND
1
5V
2
TX for MCU
3
RX for MCU
4
GND
RX13T Connection Pins
VCC
PD3/TXD1
PD5/RXD1
VSS
VCC
PB6/TXD5
PB7/RXD5
VSS
VCC
P23/TXD5
P24/RXD5
VSS
RX13T Connection Pins
VCC
VSS
P93/IRQ0
P94/IRQ1
PA2/IRQ4
Page 12 of 18
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