Intel 8XC251SA - Page 231

13-23
EXTERNAL MEMORY INTERFACE
Figure 13-22. Address Space for Example 3
A4169-03
1056 Bytes On-chip RAM
01:
00:
FE:
FF:
16 Kbytes On-chip Code Memory
Address Space
(256 Kbytes)
0000H
FFFFH
0420H
FFFFH
128 Kbytes –1056 Bytes External RAM
00:0000H
3FFFH