NEC 78K0/Fx2, Руководство пользователя

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78K0/Fx2 – CAN it!
3.4.3 UART selection SW4/S3
SW4 switch S3 specifies the corresponding UART signals of the 78K0/FF2 device connected to the
FT232 interface lines.
SW4, S3 78K0/FF2
OFF (default) UART60 select
ON UART61 select
Table 4: UART selection SW4/S3
3.4.4 UART/ LIN mode SW4/S4
SW4 switch S4 controls the serial communication mode of 78K0/Fx2 – CAN it! board. The corresponding
UART signals RxD and TxD selected by SW4/S3 are connected to the TJA1020 LIN transceiver when
setting SW4/S4 to ON. Setting SW4/S4 to OFF connects the UART signals to the FT232 interface lines.
SW4, S4 Operation mode
OFF (default) UART mode
ON LIN mode
Table 5: UART / LIN selection SW4/S4
3.5 LIN plug JP1
JP1 is a 3 pin connector for the LIN bus, connected to the transceiver TJA1020.
JP1 Signal Description
1 BAT Reference voltage for the LIN bus level
2 LIN LIN bus line
3 GND Ground
Table 6: LIN plug JP1
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