Fujitsu SK-96620_350-64PMC(1) User Manual - Page 25
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4.10 UART "A" / LIN "A" (JP: 1, 2, 9, 10, 45)
One LIN transceiver (LIN "A") and one RS2323 transceiver (UART "A") share one common
UART module of the microcontroller (UART2). So either the RS232 or LIN communication
can be executed at this point. In case of active LIN communication some further jumper
settings have to be done at the LIN "A" transceiver (see Table 4-11).
4.10.1 UART "A"- LIN "A" Selection (JP1, JP2)
JP1, 2 Connects UART2 either to UART "A" or LIN "A" transceiver
Jumper
JP1
(SOT2)
JP2
(SIN2)
4.10.2 UART "A" (JP3, JP31)
JP3
DTR or RTS signal can be used as reset source
JP31
Can connect RTS or CTS to RS232 transceiver
Jumper
JP3
(DTR/RTS)
JP31
(RTS-CTS)
© Fujitsu Semiconductor Europe GmbH
SK-96620_350-64PMC(1) User Guide
Chapter 4 Jumpers and Switches
Setting
Description
SOT2 is connected to UART "A" (X3)
1-2
SOT2 is connected to LIN "A" (X8)
2-3
SIN2 is connected to UART "A" (X3)
1-2
SIN2 is connected to LIN "A" (X8)
2-3
Table 4-9: UART2 Settings
Setting
Description
1-2
DTR signal (pin 6 of X3) is used as reset source
2-3
RTS signal (pin 7 of X3) is used as reset source
Open
No control signal as reset source selected
Closed
RTS and CTS of X3 are connected
Open
RTS and CTS of X3 are not connected
Table 4-10: UART "A" Settings
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