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5962-85016013A(1997) 데이터 시트보기 (PDF) - Intersil
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제조사
5962-85016013A
(Rev.:1997)
CMOS Priority Interrupt Controller
Intersil
5962-85016013A Datasheet PDF : 20 Pages
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82C59A
Timing Waveforms
(Continued)
RD/INTA
EN
CS
ADDRESS BUS
A
0
DATA BUS
(1)
TAHRL
(3)
TRLRH
(18)
TRLEL
(14)
TRLDV
(20)
TAHDV
(19)
TRHEH
(2)
TRHAX
(15)
TRHDZ
FIGURE 13. READ/INTA
RD
INTA
WR
RD
INTA
WR
RD
INTA
WR
(11)
TRHRL
(12)
TWHWL
(13)
TCHCL
FIGURE 14. OTHER TIMING
(16)
TJHIH
IR
(9)
TJLJH
INT
INTA
SEE NOTE 1
SEE NOTE 3 SEE NOTE 4
DB
SEE
NOTE 2
(10)
TCVIAL
(10)
TCVIAL
CAS 0 - 2
(17)
(21)
TIALCV TCVDV
NOTES:
1. Interrupt Request (IR) must remain HIGH until leading edge of first INTA.
2. During first INTA the Data Bus is not active in 80C86/88/286 mode.
3. 80C86/88/286 mode.
4. 8080/8085 mode.
FIGURE 15. INTA SEQUENCE
4-18
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