Specifications

S1C62740 TECHNICAL HARDWARE EPSON I-15
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)
Address
Page High
Low
0123456789ABCDE
F
M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
RAM (128 words x 4 bits)
R/W
Display memory (32 words x 4 bits) W
Unused area
Unused area
I/O memory (56 words x 4 bits)
RAM (128 words x 4 bits)
R/W
Display memory (32 words x 4 bits) W
Unused area
I/O memory (56 words x 4 bits)
Address
Page High
Low
0123456789ABCDE
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
2
3
RAM (128 words x 4 bits)
R/W
Display memory (32 words x 4 bits) W
Unused area
I/O memory (56 words x 4 bits)
RAM (128 words x 4 bits)
R/W
Display memory (32 words x 4 bits) W
Unused area
I/O memory (56 words x 4 bits)
Unused area
Fig. 4.1.1
Memory map