S8:com3 & s9: com4 select – Solvline Eddy DKV2.1.0.3 User Manual

Page 28

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Chapter 3. Development

Environment

28

Serial Port & LED

Switch

Bank

Switch

No

Down Position(OFF)

Serial Port Test

UP Position(ON)

GPIO TEST (High : LED On)

S7

1

UART#0 TEST

UART#0 의 TXD, RXD, RTS, CTS

signals are connected with UART#0

RS232 driver IC.

GPIO (PB4, PB5, PB26, PB27) ports are

connected with the GPIO LED of DK

board and disconnected with the

UART#0 RS232 driver IC.

2

UART#0 TEST

UART#0 의 DTR, DSR, DCD, RI signals

are connected with UART#0 RS232

driver IC.

GPIO (PB24, PB22, PB23, PB25) ports

are connected with the GPIO LED of DK

board and disconnected with the

UART#0 RS232 driver IC.

3

UART#1 TEST

UART#1 의 TXD, RXD, RTS, CTS

signals are connected with UART#1

RS232 driver IC.

GPIO (PB6, PB7, PB28, PB29) ports are

connected with the GPIO LED of DK

board and disconnected with the

UART#1 RS232 driver IC.

4

UART#2 TEST

UART#2 의 TXD, RXD, RTS, CTS

signals are connected with UART#2

RS422/485 driver IC.

GPIO (PB8, PB9, PA4, PA5) ports are

connected with the GPIO LED of DK

board and disconnected with the

UART#2 RS422/485 driver IC.

5

UART#3 TEST

UART#3 의 TXD, RXD, RTS, CTS

signals are connected with UART#3

RS422/485 driver IC.

GPIO (PB10, PB11, PC8, PC10) ports

are connected with the GPIO LED of DK

board and disconnected with the

UART#3 RS422/485 driver IC.

6

For Serial Port & GPIO Test

Serial Port and GPIO LED of DK board

are enabled.

Connect to Expansion Header

UART#0~#3 and GPIO LEDs are

disconnected with the Eddy-CPU board

and directly connected with the

Expansion Header(J2, J4)

2.4.2.5. S8:COM3 & S9: COM4 Select

COM Port #3 and COM Port #4 set the RS422/RS485 mode.

ON

ON

1

2

3

4

COM PORT#3, #4 settings

Switch

Bank

Switch

No

Down Position(OFF)

UP Position(ON)

S8

Port#3

1

RS485 Half-Duplex mode

RS422 Full-Duplex mode

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