User Guide

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1 Kbyte ROM
Address:
0000H
03FFH
0400H
04FFFH
256 Bytes RAM
CE1
CE2
ROM
1K x 8
MREQ • RD
A
10
A
7
–A
0
D
7
–D
0
WR
RD
R/W
OD
CE2
A
10
A
7
–A
0
D
3
–D
0
CE1
WR
RD
R/W
OD
MRQ
Data Bus
D
7
–D
4
Address Bus
A
7
–A
0
RAM
256 x 4
RAM
256 x 4
A
10
MRQ
CE2
CE1