SK-96390-100PMC User Guide
Chapter 2 Jumpers and Switches
© Fujitsu Microelectronics Europe GmbH
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UG-960017-11
2.8 UART”A”, UART”B” connector
(X3, X5; JP: 3, 5, 31, 32)
Two 9-pin D-Sub female connectors are used
for the serial interface UART”A” (UART0) and UART”B” (UART1).
TXD is the transmit output, RXD is the receive input.
The DTR or RTS signal can be used to generate a reset.
Please use 1:1 cable for PC-connection.
Connectors X3, X5:
2.8.1 UART A/B (JP: 3, 5, 31, 32)
Jumper
Setting
Description
1-2
DTR signal (pin 6 of X3) is used as reset source
JP3
(DTR/RTS)
2-3
RTS signal (pin 7 of X3) is used as reset source
1-2
DTR signal (pin 6 of X5) is used as reset source
JP5
(DTR/RTS)
2-3
RTS signal (pin 7 of X5) is used as reset source
Closed
RTS and CTS of X3 are connected
JP31
(RTS-CTS)
Open
RTS and CTS of X3 are not connected
Closed
RTS and CTS of X5 are connected
JP32
(RTS-CTS)
Open
RTS and CTS of X5 are not connected
Table 2-6: UART0/1 Settings
GND DTR RxD TxD
CTS RTS DSR
1
6
5
9