ST92185B STMicroelectronics, ST92185B Datasheet - Page 17

• Manufacturer Part Number: ST92185B
• Description: 16k/24k/32k Rom Hcmos Mcu With On-screen-display
• Manufacturer: STMicroelectronics

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.
Figure 7. ST92185B Memory Map
ST92185B1
ST92185B2
ST92185B3
Device
32 Kbytes
Internal ROM
24 Kbytes
24K bytes
TDSRAM
256 bytes
2Kbytes
Internal
Internal ROM
16K bytes
RAM
Size
16K
24K
32K
007FFFh
Address
005FFFh
20FFFFh
20FF00h
2287FFh
228000h
0000h
0000h
0000h
Start
003FFFh
000000h
SEGMENT 22h
SEGMENT 21h
SEGMENT 20h
64 Kbytes
64 Kbytes
SEGMENT 0
64 Kbytes
64 Kbytes
Address
3FFFh
5FFFh
7FFFh
End
max. 64 Kbytes
Internal ROM
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.
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
ST92185B1/B2/B3
ST92185B - GENERAL DESCRIPTION
Device
22FFFFh
220000h
21FFFFh
22C000h
22BFFFh
228000h
227FFFh
224000h
223FFFh
210000h
20FFFFh
20C000h
20BFFFh
208000h
207FFFh
204000h
203FFFh
200000h
00FFFFh
00C000h
00BFFFh
008000h
007FFFh
004000h
003FFFh
000000h
Size
2K
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
PAGE 3 - 16 Kbytes
PAGE 2 - 16 Kbytes
PAGE 1 - 16 Kbytes
PAGE 0 - 16 Kbytes
Address
8000h
Start
Address
87FFh
End
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