CT2554 データシートの表示（PDF） - Aeroflex Corporation

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CT2554

CT2553 / 2554 / 2555 / 2556 Advanced Integrated MUX (AIM) Hybrid

Aeroflex Corporation 

CONTROLLER START

COMMAND RECEIVED

READS STACK POINTER

LOAD BLOCK STATUS WORD

INTO FIRST WORD OF

DESCRIPTOR STACK ENTRY

(SET SOM BIT IN BLOCK

STATUS WORD)

LOAD TIME TAG INTO

SECOND WORD OF

DESCRIPTOR

STACK ENTRY

OBTAIN DATA BLOCK

ADDRESS FROM FOURTH WORD

READ CONTROL WORD TO

DETERMINE TYPE OF TRANSFER

TRANSFER DATA TO/FROM

1553 BUS

UPDATE BLOCK STATUS WORD

UPDATE TIME TAG

INCREMENT STACK

POINTER BY FOUR.

DECREMENT

MESSAGE COUNT

DATA BLOCK

YES

TRANSFERRED OK

?

NO

STOP ON

ERROR SET

?

YES

NO

MORE MESSAGES

YES

TO SEND

?

NO

ISSUE BC EOM

STOP

Aeroflex Circuit Technology

Figure 17 – BC Sequence of Operation

14

SCDCT2553 REV B 8/6/99 Plainview NY (516) 694-6700

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