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T89C5115 Datasheet(PDF) 25 Page - ATMEL Corporation

No. de Pieza. T89C5115
Descripción  Low Pin Countl 8-bit Microcontroller with A/D Converter and 16 KBytes Flash Memory
Descarga  113 Pages
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Fabricante  ATMEL [ATMEL Corporation]
Página de inicio  http://www.atmel.com
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T89C5115 Datasheet(HTML) 25 Page - ATMEL Corporation

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AT89C5115
4128F–8051–05/06
Figure 10. Lower 128 Bytes Internal RAM Organization
Upper 128 Bytes RAM
The upper 128 Bytes of RAM are accessible from address 80h to FFh using only indirect
addressing mode.
Expanded RAM
The on-chip 256 Bytes of expanded RAM (XRAM) are accessible from address 0000h to
00FFh using indirect addressing mode through MOVX instructions. In this address
range.
Note:
Lower 128 Bytes RAM, Upper 128 Bytes RAM, and expanded RAM are made of volatile
memory cells. This means that the RAM content is indeterminate after power-up and
must then be initialized properly.
bit-Addressable Space
4 Banks of
8 Registers
R0-R7
30h
7Fh
(bit Addresses 0-7Fh)
20h
2Fh
18h
1Fh
10h
17h
08h
0Fh
00h
07h


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