Fujitsu SK-91464A-100PMC 사용자 설명서 - 페이지 14

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3.4 UART"A" (JP: 1, 2, 31)

One RS232-transceiver (U1, X3) can be connected to one of the microcontroller's UART

interfaces.

JP1, JP2 connect UART 3 to the RS232-transceiver (U1, X3)

JP31

Some programs (e.g. Terminals) need a connection between CTS and RTS

Jumper

JP2 (UART"A"RxD)

JP1 (UART"A"TxD)

JP31 (RTS-CTS)

By default, UART3 is connected to UART"A".

3.5 UART"B" (JP: 6, 8, 32)

One RS232-transceiver (U3, X5) can be connected to one of the microcontroller's UART

interfaces.

JP6, JP8 connect UART 4 to the RS232-transceiver (U3, X5)

JP32

Some programs (e.g. Terminals) need a connection between CTS and RTS

Jumper

JP6 (UART"B"RxD)

JP8 (UART"B"TxD)

JP32 (RTS-CTS)

By default, UART4 is connected to UART"B".

UART "B" can be used for serial asynchronous Flash programming.

FMEMCU-UG-910025-15

SK-91464A-100PMC User Guide

Chapter 3 Jumpers and Switches

Setting

Description

Closed

SIN3 of the MCU is connected to UART"A"

Open

SIN3 of the MCU is not connected to UART"A"

Closed

SOT3 of the MCU is connected to UART"A"

Open

SOT3 of the MCU is not connected to UART"A"

Closed

RTS and CTS of X3 are connected

Open

RTS and CTS of X3 are not connected

Setting

Description

Closed

SIN4 of the MCU is connected to UART"B"

Open

SIN4 of the MCU is not connected to UART"B"

Closed

SOT4 of the MCU is connected to UART"B"

Open

SOT4 of the MCU is not connected to UART"B"

Closed

RTS and CTS of X5 are connected

Open

RTS and CTS of X5 are not connected

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