Intel 80C196NU ユーザーズマニュアル
8XC196NP, 80C196NU USER’S MANUAL
5-30
Table 5-13. Memory Map for the System in Figure 5-10
Address
Description
FFFFFFH
FF3000H
External flash memory (code or far constants)
FF2FFFH
FF2080H
Program memory:
80C196NP and 80C196NU: External flash 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 flash 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
030000H
Unimplemented
02FFFFH
010000H
128-Kbyte external RAM (far data)
00FFFFH
003000H
External RAM (near data)
002FFFH
002000H
80C196NP and 80C196NU: External RAM
83C196NP: External RAM (CCB1.2 = 0) or remapped internal ROM (CCB1.2 = 1)
83C196NP: External RAM (CCB1.2 = 0) or remapped internal ROM (CCB1.2 = 1)
001FFFH
001F00H
Internal peripheral special-function registers (SFRs)
001EFFH
001C00H
001C00H
External RAM (future SFR expansion)
001BFFH
000400H
External RAM (near data)
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)