ACT7006 datasheet(22/29 Pages) AEROFLEX

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Aeroflex Circuit Technology

SCD7005 REV B 8/2/01

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RTADER

Remote Terminal Address Error. This line goes low if an error is

detected in the RT address parity of the selected receiver. Any

receiver detecting an error in the RT address will turn itself off.

SA0

Subaddress. These five lines are a label for the

data being transferred. Valid when INCMD is

low. SA4 is the most significant bit.

SA1

SA2

SA3

SA4

SELFTEST

Self Test Interrupt indicates that the Initiate Self Test Mode

Command is being served.

STATUSUPDATE

Status Update. When held low, causes TF or SSF to appear in

Status Word response to Transmit Status or Transmit Last

Command issued immediately after fault occurrence.

SYNCND

Synchronize No Data Interrupt

SYNCWD

Synchronize with Data Interrupt

TEST #l

Test #1 Factory Test Point (Do not connect).

TEST #2

Test #2 Factory Test Point (Do not connect).

8TX/RX

Transmit/Receive. The state of this line informs the subsystem

whether it is to transmit or receive data. The signal is valid while

INCMD is low.

VECTOR

Vector Interrupt

WC0

Word Count. These Five lines specify the

requested number of Data Words to be received

or transmitted. Valid when INCMD is low. WC4

is the most significant bit.

5WC1

7WC2

9WC3

WC4

Write Strobe. Must GO LOW together with DS to perform a write

operation. NOTE: RD must be high.

INCMD

IN COMMAND. Goes low when the interface is servicing a valid

command. Can be utilized to enable external firm-ware to

illegalize subaddresses and mode command not allowed by

Pin #

Signal Name

Signal Description

Table 11 – Pin Number Description (continued)

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