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Tektronix 070-9180-01 User Manual

Page 25

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Operating Basics

2–4

Option 01 VXI Interface Module User Manual

Table 2–1 contains a list of the Option 01 Configuration registers and a complete
description of each register. The offset is relative to the module base address.

Table 2–1: Register Definitions

Register

Address
(hexadecimal)

Type

Value (Bits 15–0)

ID Register

0000

RO

1011 1111 1111 1101 (hexadecimal BFFD)

Device Type

0002

RO

See Device Type definition below

Status

0004

R

Defined by state of interface

Control

0004

W

Defined by state of interface

Offset

0006

WO

Not used

Protocol

0008

RO

1111 0111 1111 1111 (hexadecimal F7FF)

Response

000A

RO

Defined by state of the interface

Data High

000C

Not used

Data Low

000E

W

Not fixed; command-dependent

Data Low

000E

R

Not fixed; command-dependent

RO is Read Only

WO is Write Only

R is Read

W is Write

The Register Bit definitions are listed in Tables 2–2 and 2–3.

Table 2–2: Register Bit Definitions

Register

Bit Definition

ID

hexadecimal BFFD

Protocol

hexadecimal F7FF

Configuration Registers

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