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ST92R195B9 Datasheet(PDF) 10 Page - STMicroelectronics |
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ST92R195B9 Datasheet(HTML) 10 Page - STMicroelectronics |
10 / 18 page 10/18 ST92R195B - GENERAL DESCRIPTION 1.3 MEMORY MAP No Internal ROM Internal RAM, 1 Kbytes The internal RAM is mapped in MMU segment 20h; from address FC00h to FFFFh. Internal TDSRAM, 8K bytes expandable up to 16K (into segment 22h) The Internal TDSRAM is mapped into theMMU seg- ment 22h. The TDSRAM is a fully static memory. The TDSRAM is an 8K bytes mapped at the ad- dress 8000h to 9FFFh. Figure 4. ST92R195B Memory Map 01000 0h 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 20FC00h 20FFFFh RAM 1 Kbyte Internal Reserved SEGMENT 21h 64 Kbytes 20FFFFh 220000h 22FFFFh 210000h SEGMENT 22h 64 Kbytes SEGMENT 1 64 Kbytes 01FFFFh 01C000h 01BFFFh 018000h 017FFFh 014000h 013FFFh PAGE 4 - 16 Kbytes PAGE 5 - 16 Kbytes PAGE 6 - 16 Kbytes PAGE 7 - 16 Kbytes 228000h 229FFFh 8 Kbytes TDSRAM External ROM/EPROM PAGE 88 - 16 Kbytes PAGE 89 - 16 Kbytes PAGE 90 - 16 Kbytes PAGE 91 - 16 Kbytes 22C000h 22BFFFh 228000h 227FFFh 224000h 223FFFh 39FFFFh External RAM Reserved Reserved Reserved Reserved Reserved Reserved |
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