ACT3492 Просмотр технического описания (PDF) - Aeroflex Corporation

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ACT3492

MIL-STD-1553B Remote Terminal, BUS Controller, or Passive Monitor Hybrid with Status Word Control Dual Low Power Monolithic BUS Tranceivers

Aeroflex Corporation 

BCOP-A,BCOP-B

REQBUS-A,REQBUS-B

t3

VALID

t4

t3

VALID

t4

BCOPSTB

First

t1

Limits:

250nS < t1 < 5µS

7µS < t2 < 17µS

t3 < 500nS

t4 > 1.5µS

Second

t1

t2

Figure 28 – BCOP Sequence Timing

FIRST OR ONLY

BCOPSTB

SECOND

BCOPSTB

TRANSFER TYPE

BCOP-B

BCOP-A

BCOP-B

BCOP-A

Normal Data (BC to RT / RT to BC)

0

0

N/A

N/A

RT to RT

0

1

0

0

Mode Codes (No Data)

[T/R = 0]

00h Dynamic Bus Control

01h Synchronize (No DATA)

02h Transmit Status

03h Initiate Self Test

04h Transmitter Shutdown

05h Override TX Shutdown

06h Inhibit TF Flag

07h Override Inhibit TF Flag

08h Reset Remote Terminal

0

1

N/A

N/A

Mode Codes (Data RT to BC)

[T/R = 1]

10h Transmit Vector Word

12h Transmit Last Command

13h Transmit Bit Word

0

1

1

1

Mode Codes (Data BC to RT)

[T/R = 0]

11h Synchronize (With DATA)

14h Selected TX Shutdown

15h Override Selected TX Shutdown

0

1

1

0

Aeroflex Circuit Technology

Table 1 – BCOP Sequences

43

SCD3492 REV B 6/26/01 Plainview NY (516) 694-6700

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