5962-85016023A 데이터 시트보기 (PDF) - Intersil

부품명

상세내역

제조사

5962-85016023A

CMOS Priority Interrupt Controller

Intersil 

82C59A

OCW1

A0

D7

D6

D5

1

M7

M6

M5

D4

D3

M4

M3

D2

D1

D0

M2

M1

M0

OCW2

Interrupt Mask

1 = Mask set

0 = Mask reset

A0

D7

D6

D5

D4

D3

D2

D1

D0

0

R

SL

EOI

0

0

L2

L1

L0

0 01

0 11

1 01

1 00

0 00

1 11

1 10

0 10

OCW3

Non-specific EOI command

† Specific EOI command

Rotate on non-specific EOI command

Rotate in automatic EOI mode (set)

Rotate in automatic EOI mode (clear)

† Rotate on specific EOI command

† Set priority command

No operation

End of interrupt

Automatic rotation

Specific rotation

† L0 - L2 are used

IR LEVEL TO BE

ACTED UPON

0 123 4 567

0 101 0 101

0 011 0 011

0 000 1 111

A0

D7

D6

D5

D4

D3

D2

D1

D0

0

0

ESMM SMM

0

1

P

RR

RIS

READ REGISTER COMMAND

01

0

1

00

1

1

Read IR reg on Read IS reg on

No Action next RD pulse next RD pulse

1 = Poll command

0 = No poll command

SPECIAL MASK MODE

01

0

1

00

1

1

Reset special Set special

No Action mask

mask

FIGURE 8. 82C59A OPERATION COMMAND WORD FORMAT

12

FN2784.5

March 17, 2006

Share Link: