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ST90E158LV Ver la hoja de datos (PDF) - STMicroelectronics

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ST90E158LV 8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM ST-Microelectronics
STMicroelectronics ST-Microelectronics
ST90E158LV Datasheet PDF : 190 Pages
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ST90158 - REGISTER AND MEMORY MAP
3.3 MEMORY MAP
Figure 18. Memory Map
Internal
20FFFFh
RA M
512 bytes
20FE00h
768 bytes
2 0FD00h
1 Kbytes
20FC00h
1.5 Kbytes
20FA00h
2 Kbytes
20F800h
3 FFFFFh
External
Memory
Reserved
Upper Memory
(usually RAM mapped
in Segment 23h)
2 30000h
22FFFFh
SEGMENTS 21h and 22h
128 Kbytes
210000h
2 0FFFFh
20C000h
20BFFFh
208000h
207FFFh
204000h
203FFFh
200000h
1FFFFFh
PAGE 83 - 16 Kbytes
PAGE 82 - 16 Kbytes SEGMENT 20h
PAGE 81 - 16 Kbytes 64 Kbytes
PAGE 80 - 16 Kbytes
64 Kbytes
00FFFFh
48 Kbytes
00BFFFh
32 Kbytes
007FFFh
24 Kbytes
00FFFFh
Internal
003FFFh
ROM
16 Kbytes
000000 h
External
Memory
Internal ROM/EPROM
(external ROM on
ROMless devices)
010000h
00FFFFh
00C000h
00BFFFh
008000h
007FFFh
004000h
003FFFh
000000h
Lower Memory
(usually ROM/EPROM mapped
in Segment 1)
PAGE 3 - 16 Kbytes
PAGE 2 - 16 Kbytes
PAGE 1 - 16 Kbytes
PAGE 0 - 16 Kbytes
SEGMENT 0
64 Kbytes
Note: The total amount of directly addressable external memory is 64 Kbytes.
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