Ata linkage example, 4 data linkage example – Toshiba S20LP User Manual

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3.4 Data linkage example

STN #1

STN #2

STN #3

T3H

S20
-LP

I/O

T2N

S20
-LP

I/O

T2N

S20
-LP

I/O

W000

Send

Receive

Receive

W0199
W0200

Receive

Send

No use

W0249
W0250

Receive

No use

Send

W0299
W0300

No use

No use

No use

W2047

common

memory

(2k words)

No use

No use

No use

Link register (W) can not use Common memory over 2048 words.

STN #1 T3H sends 200 words data (W0000 to W0199) to STN #2 and #3 T2Ns.

STN #2 T2N sends 50 words data (W0200 to W0249) to STN #1 T3H.

STN #3 T2N sends 50 words data (W0250 to W0299) to STN #1 T3H.

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