ST92195C STMicroelectronics, ST92195C Datasheet - Page 230

• Manufacturer Part Number: ST92195C
• Description: 48-96 Kbyte Rom Hcmos Mcu With On-screen Display And Teletext Data Slicer
• Manufacturer: STMicroelectronics

ST92E195C/D-ST92T195C/D - GENERAL DESCRIPTION
1.2 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.
Figure 122. ST92E195C/D-ST92T195C/D Memory Map
230/249
ST92T195D7
ST92E195D7
ST92T195C8
ST92E195C8
Note 1: ROM size is device dependent
Device
128K bytes
84 Kbytes
Internal ROM
64 Kbytes
TDSRAM
512 bytes
8 Kbytes
Internal
RAM
1)
1)
Size
64K
84K
014FFFh
00FFFFh
00 0000h
00 0000h
Address
20FE00h
20FFFFh
229FFFh
228000h
Start
SEGMENT 22h
SEGMENT 21h
SEGMENT 20h
SEGMENT 1
SEGMENT 0
64 Kbytes
64 Kbytes
64 Kbytes
64 Kbytes
64 Kbytes
00 FFFFh
01 4FFFh
Address
End
max. 20 Kbytes
max. 64 Kbytes
Internal ROM
Internal ROM
Internal RAM, 512 bytes
The internal RAM is mapped in MMU segment
20h; from address 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.
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
ST92E195D7
ST92T195D7
ST92E195C8
ST92T195C8
Device
21FFFFh
22FFFFh
22C000h
22BFFFh
228000h
227FFFh
224000h
223FFFh
220000h
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
Size
PAGE 88 - 16 Kbytes
PAGE 91 - 16 Kbytes
PAGE 90 - 16 Kbytes
PAGE 89 - 16 Kbytes
PAGE 80 - 16 Kbytes
PAGE 83 - 16 Kbytes
PAGE 82 - 16 Kbytes
PAGE 81 - 16 Kbytes
8K
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
Address
8000h
Start
Address
9FFFh
End