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ST92195B Fiches technique(PDF) 12 Page - STMicroelectronics

No de pièce ST92195B
Description  32-64K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY AND TELETEXT DATA SLICER
PDF  22 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST92195B Fiches technique(HTML) 12 Page - STMicroelectronics

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ST92195B - GENERAL DESCRIPTION
1.3 MEMORY MAP
Internal ROM
The ROM memory is mapped in a single continu-
ous area starting at address 0000h in MMU seg-
ment 00h.
Internal RAM, 256 bytes
The internal RAM is mapped in MMU segment
20h; from address FF00h to FFFFh.
Internal TDSRAM
The Internal TDSRAM is mapped starting at ad-
dress 8000h in MMU segment 22h. It is a fully stat-
ic memory.
Figure 6. ST92195B Memory Map
Device
Size
Start
Address
End
Address
ST92195B1/B2/B3
32K
0000h
7FFFh
ST92195B4/B5
48K
0000h
BFFFh
ST92195B6
56K
0000h
DFFFh
ST92195B7
64K
0000h
FFFFh
Device
Size
Start
Address
End
Address
ST92195B1
2K
8000h
87FFh
ST92195B2/B3/B4
6K
8000h
97FFh
ST92195B5/B6/B7
8K
8000h
9FFFh
SEGMENT 0
64 Kbytes
00FFFFh
00C000h
00BFFFh
008000h
007FFFh
004000h
000000h
003FFFh
PAGE 0 - 16 Kbytes
PAGE 1 - 16 Kbytes
PAGE 2 - 16 Kbytes
PAGE 3 - 16 Kbytes
SEGMENT 20h
64 Kbytes
200000h
21FFFFh
20C000h
20BFFFh
208000h
207FFFh
204000h
203FFFh
PAGE 80 - 16 Kbytes
PAGE 81 - 16 Kbytes
PAGE 82 - 16 Kbytes
PAGE 83 - 16 Kbytes
20FF 00h
20FFFFh
RAM
256 bytes
Internal
Reserved
SEGMENT 21h
64 Kbytes
20FFFFh
220000h
22FFFFh
210000h
SEGMENT 22h
64 Kbytes
228000h
229FFFh
max. 8 Kbytes
TDSRAM
Internal ROM
PAGE 88 - 16 Kbytes
PAGE 89 - 16 Kbytes
PAGE 90 - 16 Kbytes
PAGE 91 - 16 Kbytes
22C000h
22BFFFh
228000h
227FFFh
224000h
223FFFh
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
max. 64 Kbytes



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