CT2578-12-IN-F84 参数 Datasheet PDF下载

BC TO RT TRANSFER BROADCAST

DATA BUS

NVCR

NHDR

NDATA

NCMDSTRB

NDATAST

T0-T15

COMMAND

DATA

DATA

DATA

1

1.

2.

3.

4.

5.

6.

2

3

4

5 6

Valid command word received, contents available on T0-T15 for illegalization purposes.

First valid data word (1760 header word) received, contents available on T0-T15 and stored in 32 word data memory.

Second valid data word received, contents available on T0-T15 and stored in 32 word data memory.

Last valid data word received, contents available on T0-T15 and stored in 32 word data memory. Status bits must be valid within 250nS.

NCMDSTRB indicates valid message received, command word available on T0-T15.

Data words transferred from 32 word data memory to subsystem at 500 nS per word.

RT TO RT TRANSFER BROADCAST

(RECEIVING TERMINAL)

DATA BUS

NVCR

NHDR

NDATA

NCMDSTRB

NDATAST

T0-T15

REC CMD TRAN CMD

STATUS

DATA

DATA

1

1.

2.

3.

4.

5.

6.

7.

2

3

4

5

6 7

Valid receive command word received, contents available on T0-T15 for illegalization purposes.

Valid transmit command word received, contents available on T0-T15.

Status response of transmitting terminal received.

First valid data word (1760 header word) received, contents available on T0-T15 and stored in 32 word data memory.

Last valid data word received, contents available on T0-T15 and stored in 32 word data memory. Status bits must be valid within 250nS.

NCMDSTRB indicates valid message received, command word available on T0-T15 and stored in the 32 word command memory.

Data words transferred from 32 word data memory to subsystem at 500 nS per word.

MODE CODES WITHOUT DATA BROADCAST

DATA BUS

NVCR

NRES/NSYNC

When applicable

T0-T15

COMMAND

2

1. Valid command word received, contents available on T0-T15 for illegalization purposes. Status must be valid within 600 nS.

2. Synchronise mode command, T0-T15 = 0.

SCDCT2578 REV B 3/11/98

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