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AT85C5122D-RDRUM Folha de dados(PDF) 30 Page - ATMEL Corporation

Nome de Peças AT85C5122D-RDRUM
Descrição Electrónicos  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 Pages
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Fabricante Electrônico  ATMEL [ATMEL Corporation]
Página de início  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT85C5122D-RDRUM Folha de dados(HTML) 30 Page - ATMEL Corporation

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AT83R5122, AT8xC5122/23
4202F–SCR–07/2008
AT83C5123 Version
The AT83C5123 device is a low pin count version of the AT8xC5122.
The ROM version implements :
- 30 KB of ROM mapped from 0000 to 77FF in which is embedded the user code. The
ROM device is only factory programmable.
- 512 bytes of E2PROM can be optionally implemented to store permanent data
Figure 14.
AT83C5123’s Device
PROGRAM MEMORY
(Read only)
7FFF
INTERNAL
30K ROM
RESET@
<0000>
SFR
Space
80
FF
On-chip
512 bytes
XRAM
0000
01FF
00
7F
80
FF
Upper
128 Bytes
RAM
Lower
128 Bytes
RAM
DATA MEMORY
(Read / Write)
On-Chip 256 bytes RAM
Direct
Addressing
Indirect
Addressing
512 Bytes
INTERNAL
E2PROM
01FF
0000
OPTIONAL



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