Sharp PC-1500 - Page 179

All and more about Sharp PC- 1500 at http:/lwww.PC-1500.info
MEMORY MAP II for the PC-1500A
MEMORY MAP when the CE-155 is used.
3000H
3800M
CE - 155 ( RA M) 2KB
I-
4 000M
STANDARD US ER MEMO RY (RAM)
6KB
5800H
CE· 155
(R AM ) 6KB
6F FFM
~ 8KB IN TOT AL
NOT USED
-
-·
·-
7600H
I'--
ME O
....
Page PC-1500
PC-1500A
1 02
4-3-1. 40-pin connector
4-3-1. 40-pin connector
Pin no .
Signal name D etcr lpt lon Pin no. Signal name
Description
5
S4 Address designatio•n
5
NC
NC
ot OOOOH - 3FFFH
16 Sl Address desig na tion 16 S3
A ddr es s desi gnation
of 4800H- 4FFFH of 5800H -5 FFFH
17
S2
Address des igna ti on 17 S4 Address designation
of 5000H- 57FFH of 60 00H - 67FFH
18 S3
Ad dress designati on 18 SS Address des ignati on
of SBOOH • ·S FFFH
of 6800H- 6FFFH
The above portion should be changed.
154 5-1 . PC-1500 Circuit diagram
5-1 . PC-1500A Circuit Diagram
For the PC- 1500A , refer to the circuit
diagram on the next page.
166
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