Sharp PC-1500 - Page 176

All and mor e about Sha rp PC -1 500 at http: /l www.PC-1500.info
Chip select signal for the PC-1500A
OOOOH
YO
CI YO)
OPTIO NA L U SER MEM ORY
3FF FH
-
I so
4000H
C Yli l 47FFH
1---
-I·
SI 4800H
(Yl)
4FFFH
STA N DARD USER M EMORY
S2 5000H
( Y2 )
5 7FFH
S3 5800H
(Y3) SFFF H
-
S4
EiOOO H
(
Y4 )
67FFH
OP TIO NAL USER MEM ORY
Yl
SS
6800H
(fYf)
( Y5 )
6FFFH
,_
7000H
INHIBITED
7 5FFH
S6
( Y6 )
V2
760011
( 2Y2 ) 76FFH
V3
7700 H STANDA RD USER AN D
(2Y2)
//FF H SYS TE M MEMORY
S7 7 800 H
( Y7 ) 7FFF H
MACH INE 1.ANGUACE A RCA
(7 CD IH -7ff fH I
8000H CE - 150
SYST EM PROGRA M.VO PORT
CE - 153
Y2
VO PORT
( 1Y2 )
CE - 158
SYSTE M PROGRA M
BFFFH
COOOH PC· 1 500 A
SYS TE M PR OGR AM
1/ 0 PORT
CE· l 58
Y3
1/ 0 PORT
UART
(IY3)
L I
FFFFH
.--l.
Do not sell this PDF !!!
NOTE. so - s1. V2 , and
V3 are app licable only
for M EO area.
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