ST92195B5 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST92195B5

32-64K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY AND TELETEXT DATA SLICER

STMicroelectronics 

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.

Device

ST92195B1/B2/B3

ST92195B4/B5

ST92195B6

ST92195B7

Size

32K

48K

56K

64K

Start

Address

0000h

0000h

0000h

0000h

End

Address

7FFFh

BFFFh

DFFFh

FFFFh

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.

Device

ST92195B1

ST92195B2/B3/B4

ST92195B5/B6/B7

Size

2K

6K

8K

Start

Address

8000h

8000h

8000h

End

Address

87FFh

97FFh

9FFFh

Figure 6. ST92195B Memory Map

max. 8 Kbytes

TDS RAM

229FFFh

228000h

SEGMENT 22h

64 Kbytes

Reserved

Reserved

Reserved

22FFFFh

2 2C000h

2 2BFFFh

2 28000h

2 27FFFh

2 24000h

2 23FFFh

220000h

21FFFFh

PAGE 91 - 16 Kbytes

PAGE 90 - 16 Kbytes

PAGE 89 - 16 Kbytes

PAGE 88 - 16 Kbytes

SEGMENT 21h

64 Kbytes

Reserved

Internal

RA M

256 bytes

20FFFFh

20FF 00h SEGMENT 20h

64 Kbytes

SEGMENT 0

64 Kbytes

Reserved

Reserved

Reserved

Internal ROM

max. 64 Kbytes

210000h

20FFFFh

2 0C000h

2 0BFFFh

2 08000h

2 07FFFh

2 04000h

2 03FFFh

2 00000h

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

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