Intel 8XC251SA - Page 233

13-25
EXTERNAL MEMORY INTERFACE
Figure 13-24. Address Space for Example 4
A4224-02
1056 Bytes On-chip RAM
01:
00:
FE:
FF:
16 Kbytes On-chip Code Memory
Address Space
(256 Kbytes)
FFFFH
0420H
FFFFH
External RAM 64 Kbytes – 1056 Bytes
00:0000H
0000H
3FFFH