Programming instructions

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Advanced Peripherals

Multisim Component Reference Guide 8-8 ni.com

8.3 Virtual Terminal

This device interfaces with the serial port that is used in conjunction with Multisim MCU’s

microcontroller devices.

It includes a virtual terminal window where you can type characters on your keyboard. When

a simulation is running, the virtual terminal does not normally display the characters that you

type into it. The terminal just sends the characters that are typed into its window through its

TxD pin at the baud rate that it is set to in its properties dialog. The terminal displays any

characters that it receives through its RxD pin.

DATA READ/

WRITE

11000000

11000001

11000010

11000011

11000100

11000101

Data

Data Write and Increment ADP

Data Read and Increment ADP

Data Write and Decrement ADP

Data Read and Decrement ADP

Data Write and Nonvariable ADP

Data Read and Nonvariable ADP

C0H

C1H

C2H

C3H

C4H

C5H

Screen Peek 11100000 -- -- Screen Peek E0H

Screen Copy 11100001 -- -- Screen Copy E1H

BIT SET /

RESET

11110XXX

11111XXX

1111X000

1111X001

1111X010

1111X011

1111X100

1111X101

1111X110

1111X111

Bit Reset

Bit Set

Bit 0 (LSB)

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7 (MSB)

F*H

Command Code D1 D2 Function Hex

ComponentRef.book Page 8 Thursday, December 7, 2006 10:12 AM