ST92T195 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST92T195 Datasheet PDF : 249 Pages
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ST92195C/D - GENERAL DESCRIPTION
1.3 MEMORY MAP
Internal ROM
The ROM memory is mapped in two segments:
segment 00h and segment 01h; It starts at ad-
dress 0000h in MMU segment 00h.
Device
ST92195C3/C4/C5
ST92195D5
ST92195C6
ST92195D6
ST92195C7
ST92195D7
ST92195C8
ST92195C9
Size
Start
Address
End
Address
48K 00 0000h 00 BFFFh
56K 00 0000h 00 DFFFh
64K 00 0000h 00 FFFFh
84K 00 0000h 01 4FFFh
96K 00 0000h 01 7FFFh
Internal RAM, 256 or 512 bytes
The internal RAM is mapped in MMU segment
20h, from address FF00h to FFFFh or from FE00h
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.
Device
Size
Start
Address
End
Address
ST92195C3
2K 8000h 87FFh
ST92195C4
6K 8000h 97FFh
ST92195C5/C6/C7/C8/C9
ST92195D5/D6/D7
8K
8000h
9FFFh
Figure 6. ST92195C/D Memory Map
max. 8 Kbytes
TDSRAM
229FFFh
228000h
SEGMENT 22h
64 Kbytes
Reserved
Reserved
Reserved
22FFFFh
22C000h
22BFFFh
228000h
227FFFh
224000h
223FFFh
220000h
21FFFFh
PAGE 91 - 16 Kbytes
PAGE 90 - 16 Kbytes
PAGE 89 - 16 Kbytes
PAGE 88 - 16 Kbytes
SEGMENT 21h
64 Kbytes
Reserved
Internal
RAM
512 bytes 1)
Internal
RAM
256 bytes 1)
20FFFFh
20FF00h SEGMENT 20h
64 Kbytes
20FE00h
96 Kbytes 1) 017FFFh
84 Kbytes 1)
128K
bytes
64 Kbytes
1)
014FFFh
00FFFFh
56 Kbytes 1)
00DFFFh
SEGMENT 1
64 Kbytes
00BFFFh
Internal ROM
48K bytes 1)
SEGMENT 0
64 Kbytes
Note 1: ROM and RAM sizes are device dependent
Reserved
Reserved
Reserved
Reserved
Internal ROM
max. 32 Kbytes
Internal ROM
max. 64 Kbytes
210000h
20FFFFh
20C000h
20BFFFh
208000h
207FFFh
204000h
203FFFh
200000h
01FFFFh
01C000h
01BFFFh
018000h
017FFFh
014000h
013FFFh
010000h
00FFFFh
00C000h
00BFFFh
008000h
007FFFh
004000h
003FFFh
000000h
PAGE 83 - 16 Kbytes
PAGE 82 - 16 Kbytes
PAGE 81 - 16 Kbytes
PAGE 80 - 16 Kbytes
PAGE 3 - 16 Kbytes
PAGE 2 - 16 Kbytes
PAGE 1 - 16 Kbytes
PAGE 0 - 16 Kbytes
PAGE 3 - 16 Kbytes
PAGE 2 - 16 Kbytes
PAGE 1 - 16 Kbytes
PAGE 0 - 16 Kbytes
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