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Section 3 Command Descriptions

3.7

FORMAT Fn

The

Format

command determines the method by which input and output data

will be described. Five data formats are available and are described in detail in the

following paragraphs.

ASCII Hexadecimal (4 bits per character)

ASCII Character (4 bits per character )

ASCII Binary (1 bit per character)

ASCII Decimal (8 bits per number)

Binary (each byte represents 8 bits)

When data is requested from the

Digital232

(

) it asserts

Inhibit

, reads the data

from all ports, unasserts

Inhibit

and outputs the number of characters determined by

the

and

commands. Leading zeros are not suppressed and the serial terminators

are appended to the output. After output the

Digital232

must be requested to perform

subsequent reads.

EDR

(

) may also be used to capture data in these formats.

F0 Format- ASCII Hexadecimal

In the default

format, the data is described in ASCII hexadecimal, with

each character having a value from 0 thru 9 or A thru F. Each ASCII character

describes 4 bits of data.

F0 Character Decimal

Equiv F0 Character Decimal Equiv

00 8 8

11 9 9

22 A 10

33 B 11

44 C 12

55 D 13

66 E 14

77 F 15

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 58 59

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Measurement-computing Digital232 Manuale Utente Pagina 29

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