Measurement-computing Analyzer488 Manual do Utilizador descarregar pdf (Página 186)

100

101

Section 4 Serial Controller

4.92

WRITE

The

WRITE

command is used to put a data byte on the bus and initiate a source

handshake.

WRITE

may only be issued when the Analyzer488 is in the Talk State.

Handshaking must be set to

STEP

before using the

WRITE

command. The

STEP

command is not required when using the

WRITE

command since the handshake is

automatically performed when the

WRITE

command is executed.

This command does not have a query option.

TYPE Low Level Controller command

SYNTAX WRITE [data]

data may be Decimal or Hexadecimal data

RESPONSE None

MODE Low Level Controller

BUS STATES Determined by data written

QUERY None

RESPONSE

EXAMPLES PRINT#1,"CONTROLLER OFF"

PRINT#1,"ASSERT REN ATN"

PRINT#1,"HANDSHAKE STEP"

PRINT#1,"TALK"

PRINT#1,"WRITE &H54" Send TAG20 bus command

1 2 ... 181 182 183 184 185 186 187 188 189 190 191 ... 280 281

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