SA3488

sames

14

INSTRUCTION TABLES

The most significant digits of OR2 A7, A6, A5 are a copy of the PCM selected output bus;

the least significant digits or OR2 are the opcode while C8 is the control bit. In all cases

parentheses () define actual register contents.

INSTRUCTION 1: CHANNEL CONNECTION/DISCONNECTION

Control Signals

Data Bus

Match C/D CS

WR RD

D7

D6

D5

D4

D3

D2

D1

D0

Notes

X

0

0

0

1

X

X

X

X

X

Bi2

Bi1

Bi0

X

0

0

0

1

X

X

X

Ci4

Ci3

Ci2

Ci1

Ci0

channel

X

0

0

0

1

X

X

X

X

X

bus

X

0

0

0

1

X

X

X

channel

Yes/No 1

0

0

1

X

X

X

X

0

0

0

1

Instruction Opcode

Yes

0

0

1

0

C7

C6

C5

C4

C3

C2

C1

C0

0R1 : CM content copy,

(1

11

1111

1)

that is for mismatch

(Bi2 Bi1

Bi0

Ci4

Ci3

Ci2

Ci1

Ci0) condition or match

condition

Yes

1

010

A7

A6

A5

C8

000

1OR2

(Bo2 B01 Bo0 1000

1)

(Bo2 Bo1 Bo0 0000

1)

INSTRUCTION 2: OUTPUT CHANNEL DISCONNECTION

Control Signals

Data Bus

Match C/D CS

WR RD

D7

D6

D5

D4

D3

D2

D1

D0

Notes

X

0

0

0

1

X

X

X

X

X

bus

X

0

0

0

1

X

X

X

output channel

Yes

1

0

0

1

X

X

X

X

0

0

1

0

Instruction Opcode

Yes

0

010

111

1111

1

OR1 : CM Content Copy

(output channel is inactive)

Yes

1

010

A7

A6

A5

1001

0OR2

(Bo2 Bo1 Bo0 1001

0)