MSM82C51A-2 Просмотр технического описания (PDF) - Oki Electric Industry

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производитель

MSM82C51A-2

UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER

Oki Electric Industry 

¡ Semiconductor

MSM82C51A-2RS/GS/JS

2) Command

Command is used for setting the operation of the MSM82C51A-2.

It is possible to write a command whenever necessary after writing a mode instruction and

sync characters.

Items to be set by command are as follows:

• Transmit

Enable/Disable

• Receive Enable/Disable

• DTR, RTS

Output of data.

• Resetting of error flag.

• Sending to break characters

• Internal resetting

• Hunt mode (synchronous mode)

The bit configuration of a command is shown in Fig. 4.

D7

D6

D5

D4

D3

D2

D1

D0

EH IR RTS ER SBRK RXE DTR TXEN

1ºTransmit Enable

0ºDisable

DTR

1 Æ DTR = 0

0 Æ DTR = 1

1ºRecieve Enable

0ºDisable

1ºSent Break Charactor

0ºNormal Operation

1ºReset Error Flag

0ºNormal Operation

RTS

1 Æ RTS = 0

0 Æ RTS = 1

1ºInternal Reset

0ºNormal Operation

1ºHunt Mode (Note)

0ºNormal Operation

Note: Seach mode for synchronous

charactors in synchronous mode.

Fig. 4 Bit Configuration of Command

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