Sharp MZ-5600 - 4-6 8259 A Programmable Interrupt Controller; Pin Configuration; Functional Outline

80
YAr1r
M.:Inc.t)'o-
AU :
Tlau (Hl-b)')O '
MI>IT ( .. q. ~S 11 CI)
u .. -r
1nTnt
"UUIt-
..... · •• · 11
.l .. "
,' ru
tl · .OOI ....
t t ffn.
I/0o':"'''H
1t'''INr--1Nt . AIIY
Ilu ,. ...... ,. · fll
~1I .. r-~-1ll K
1/0 CTC
nrm
rt,
Fig.5 RESET and READY circuit block diagram
Table 1-4- Watt count of device
8MHz mode 5MHz mode
°System RAM
°1PL ROM
°1/0 other than below
1
0
°510
°RTC
°pSG
°PB
3 3
°CTC
°1NTACK
°1NT RET
15
15
°VRAM
°1/0(380H-3FFH)
°Memory other than above
XACK
or 1
XACK
I.
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