CT2554 Ver la hoja de datos (PDF) - Aeroflex Corporation

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CT2554

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

Aeroflex Corporation 

CONFIGURATION

REGISTER

15 13

0

STACK

POINTERS

*

CURRENT

AREA B/A

MESSAGE

COUNTER

*

DESCRIPTOR **

STACKS

BLOCK STATUS WORD

TIME TAG WORD

RESERVED

MESSAGE

BLOCK ADDR

DATA **

BLOCKS

DATA BLOCK

DATA BLOCK

* Note:

STACK POINTERS and MESSAGE COUNTERS are switched via the

CONFIGURATION REGISTER under external CPU control.

** Note:

DESCRIPTOR STACKS and DATA BLOCKS have 256 word boundries which

should be observed.

Figure 6 – Use of Descriptor Stack – BC Mode

CONFIGURATION

REGISTER

15 13

0

STACK

POINTERS

*

DESCRIPTOR **

STACKS

LOOK-UP TABLE

(DATA BLOCK ADDR)

*

DATA **

BLOCKS

CURRENT

AREA B/A

BLOCK STATUS WORD

TIME TAG WORD

RESERVED

RECEIVED COMMAND

WORD

LOOK-UP

TABLE ADDR

DATA BLOCK

DATA BLOCK

* Note:

STACK POINTERS and LOOK-UP TABLE are switched via the

CONFIGURATION REGISTER under external CPU control.

** Note:

DESCRIPTOR STACKS and DATA BLOCKS have 256 word boundries which

should be observed.

Aeroflex Circuit Technology

Figure 7 – Use of Descriptor Stack – RTU Mode

7

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

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