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Serial communication interface, Physical interface, Transfer format of serial data – Denon 3800BD User Manual

Page 4

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Ver.3.09

1

Serial communication interface

1.1

Physical interface

Arrangement of connector signals

RS-232C

Terminal #

Signal

I /O

1 GND

-

2 TxD

O

3 RxD

I

4 NC

-

5 S.GROUND

-

6 NC

-

7 NC

-

8 NC

-

9 NC

-


1.2

Transfer format of serial data

- Interface

: As per RS-232C or RS-422A

- Communication system

: Half-duplex communication

- Data transfer mode

: Start stop synchronization

- Transfer rate

: 9,600bps

- Start bit ( ST )

: 1 bit

- Data bit ( b0-b7 )

: 8 bits

- Parity ( P )

: Even number / None Parity
(default:Even number)

- Stop bit ( SP )

: 1 bit

- Transfer data

: ASCII code

- Control characters

: STX (02h)
ETX (03h)
ETB (17h)
NAK (15h)

ST

SP

b0

b1

b2

b3

b4

b5

b6

b7

P

11 / 9600 ( sec )

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