Intel 80C196NU User Manual
8XC196NP, 80C196NU USER’S MANUAL
5-32
Table 5-14. Memory Map for the System in Figure 5-11
Address
Description
FFFFFFH
FF3000H
External memory (code or far constants)
FF2FFFH
FF2080H
Program memory:
80C196NP and 80C196NU: External memory
83C196NP: Internal ROM (EA# = 1), external memory (EA# = 0)
83C196NP: Internal ROM (EA# = 1), external memory (EA# = 0)
FF207FH
FF2000H
FF2000H
Special-purpose memory: 80C196NP and 80C196NU: external memory
(far constants)
83C196NP: Internal ROM (EA# = 1), external memory (EA# = 0)
FF1FFFH
FF0100H
External flash memory (code or far constants)
FF00FFH
FF0000H
Reserved
FEFFFFH
FC0000H
External flash memory (far code, far constants)
FBFFFFH
020000H
Unimplemented
01FFFFH
010000H
64-Kbyte external RAM (far data)
00FFFFH
008000H
32-Kbyte external RAM (near data)
007FFFH
003000H
Unimplemented
002FFFH
002080H
80C196NP and 80C196NU: Unimplemented
83C196NP: Program memory remapped from internal ROM (CCB1.2 = 1; EA# = 1)
83C196NP: Program memory remapped from internal ROM (CCB1.2 = 1; EA# = 1)
00207FH
002000H
80C196NP and 80C196NU: Unimplemented
83C196NP: Special-purpose memory (near constants) remapped from internal ROM
83C196NP: Special-purpose memory (near constants) remapped from internal ROM
(CCB1.2 = 1; EA# = 1)
001FFFH
001F00H
Internal peripheral special-function registers (SFRs)
001EFFH
001C00H
001C00H
Unimplemented (future SFR expansion)
001BFFH
000400H
Unimplemented
0003FFH
000100H
Upper register file (general-purpose register RAM)
0000FFH
000018H
Lower register file (general-purpose register RAM and stack pointer)
000017H
000000H
000000H
Lower register file (CPU SFRs)